Page 1
5
4
3
2
1
PAGE
D  D
C  C
B  B
CONTENTS
COVER & COMPONENT SIZE
1-2
BLOCK DIAGRAM
3
RESET MAP
4
CLOCK DISTRIBUTION
5 
6
PCI DEVICE TABLE / VID TABLE
7-11
SKT 754 K8CPU
12
CPU DECOUPLING 
DDR DIMM 0
13
DDR DIMM 1
14 
15 
16
CK804 HT 
17
CK804 PCI EXPRESS 
CK804 PCI
18 
19
CK804 SATA / IDE 
CK804 G/MII / AC97 / USB
20
CK804 POWER & DECOUPLING
21
PCI EXPRESS X1 CONNECTOR'S
22 
23
PCI EXPRESS X16 CONNECTOR
24
PCI CONNECTOR 1/2
25
PCI CONNECTOR 3/4
26
PCI TERMINATION 
AUDIO ALC655 CODEC
27 
28
AUDIO PORT 
SIO ITE 8712
29 
30
H/W MON,FAN CONTROL
31
IDE CONNECTORS 
32
FLOPPY / PS2 / FLASH ROM 
SERIAL PORT& PARALLEL PORT
33
USB CONNECTORS
34 
35
POWER SEQUENCING 
10/100 LAN PHY RTL8201BL/CL
36
PWR CON / FNT PNL/ VBAT
37
OVER VOLTAGE CKT
38 
39
VCC_CORE DC-DC CONVER
40
PLL DELAY / PWRGD / MEM VREG
41
CK804 CORE / LAN / HT - VREGS 
FRONT USB
42 
43
BOM
NF44X-A7 ( CK804-4X )
REV 1.2
DDR DECOUPLING
DDR X 2 , PCI-Ex16 X 1 , PCI-Ex1 X 2 , PCI X 4 , 
Realtek 10/100 Lan PHY , AMD K8-754
A  A
Title
COVER SHEET
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
1  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 2
5
D  D
22U/25DE
5*7 mm
100U/16DE
6.3*11 mm
220U/10DE
6.3*11 mm 
8*11 mm
470U/16DE 
1000U/10DE
8*14 mm
1500U/16DE
C  C
B  B
3300U/25DE
10*25 mm 
10*25 mm
4
D
S
G
TO-263
2SK3296  HSD882-D
1
TO-263
B55QS03
2
3
3
D
G 
TO-252  SOT-23
20N03 
TM3055TL-S 
45N03 
FDD6030L
D
G
S
SOT-23
2N7002  LM431 
SI2303S 
SI2301S
C
S
B
2N3904 
2N3906 
MMBT2907A
2
1
3
C
E
B  C
E
2
3
1
E
SOT-23
BAT54C 
BAT54S
1
2
T0-92
T0-92
2N2222A
78L05-D
2N2097A
LM432
B
T0-92
A  A
Title
Size Document Number  Rev
5
4
3
2
Date:  Sheet  of
Custom
Component Size
NF44X-A7
1
2  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 3
5
4
3
2
1
D  D
C  C
B  B
FLOPPY CONN
PS2/KBRD CONN
PARALLEL CONN
SERIAL CONN
SERIAL HDR 
POWER
SUPPLY
CONNECTOR
PEX X16
PEX X1 (2)
 PRIMARY IDE
SECONDARY IDE
X4 - SATA CONN
SIO
ITE 8712
VREG
 PCI EXPRESS
 PCI EXPRESS
ATA 133
INTEGRATED SATA
LPC BUS 33MHZ
BLOCK DIAGRAM
SOCKET 754
K8
HT 16X16 1GHZ
NFORCE
CRUSH K804 Ultra
740BGA
LPC HDR
4MB FLASH
RGMII 
PCI 33MHZ
AC97 
X10 USB2 
MII/RGMII 
AC97 
BACK PANEL CONN
USB2 PORTS 5-4 
DOUBLE STACK
USB2 PORTS 3-2 
X2/GBIT LAN
FRONT PANEL HDR
USB2 PORTS 1-0 
USB2 PORTS 7-6 
USB2 PORTS 9-8 
DDR SDRAM CONN 1
DDR SDRAM CONN 2
PCI SLOT 1
PCI SLOT 2
PCI SLOT 3
PCI SLOT 4
A  A
Title
BLOCK DIAGRAM
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
3  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 4
5
4
3
2
1
D  D
RESET MAP
K8 SKT 754
RESET*
CPU_RST*
CPU_PWRGD
LPCRST_SIO*
CPU_PWRGD 
CPU_RST*
PCIRST_SLOT1* 
PCIRST_SLOT2* 
PCIRST_SLOT3-4* 
PCIRST_IDE* 
LPCRST_FLASH*
PRI IDE
SEC IDE
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
CPU RST*
PWR SWTCH
PWRBTN*
C  C
PANSWH# (75)
PSON# (76)
CPU PWRGD
SIO
ITE 8712
PWRON# (75)
PSIN (71)
PWR CONN
PS ON
PWR GOOD
B  B
PWRGD SB
CIRCUIT
SLP_S3*
POWER_GOOD
PWRGD_SB
SLP S3*
PWR BUTTON
PWRGD
PWRGD_SB
PE_RESET*
CPU PWRGD 
CPU RST*
PCI RST0* 
PCI RST1* 
PCI RST2* 
PCI RST3*
LPC_RST*
GPIO_AUX*
CK804 Ultra
PEX X16  PCI SLOT 4
PEX X1(2)  LAN_PHY
PEX X1NC
A  A
Title
RESET MAP
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
4  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 5
5
4
3
2
1
HT_TXCLK0 
HT_TXCLK0*
HT_RXCLK0
D  D
HT_RXCLK0* 
HT_TXCLK1
HT_TXCLK1* 
HT_RXCLK1
HT_RXCLK1* 
CPU_CLK_IN* 
CPU_CLK_IN
MEMORY_A1_CLK[2:0] 
MEMORY_A1_CLK[2:0]*
MEMORY_B1_CLK[2:0] 
MEMORY_B1_CLK[2:0]*
DIMM 1
DIMM 2
CK804 Ultra
CPU_CLK_IN
K8 754 CPU
CPU_CLK_IN* 
HT_RXCLK1* 
HT_RXCLK1
HT_TXCLK1* 
HT_TXCLK1
HT_RXCLK0* 
HT_RXCLK0
HT_TXCLK0*
C  C
32.0 KHZ
25 MHZ
B  B
HT_TXCLK0 
XTAL_IN
XTAL_OUT 
XTAL_IN
XTAL_OUT
PE0_REFCLK 
PE0_REFCLK*
PE1_REFCLK 
PE1_REFCLK*
PE2_REFCLK 
PE2_REFCLK*
PE3_REFCLK 
PE3_REFCLK*
PCI_CLK_FB
AC_BITCLK
BUF_25MHZ
BUF_SIO
SUSCLK
LPC_CLK0
PCI_CLK0 
PCI_CLK1 
PCI_CLK2 
PCI_CLK3 
PCI_CLK4 
PCI_CLK5
LPC_CLK1
AC_97CLK
14MHZ OR 24MHZ
TP_N/A
24MHZ 
AC '97 LINK
PEX X16
PEX X1
PEX X1
ZDB
SIO
AC97 
CODEC
FLASH
LPC
HEADER
PCI SLOT 2
PCI SLOT 1
PCI SLOT 3
PCI SLOT 4
LAN 
PHY
A  A
Title
CLOCK DISTRIBUTION
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
5  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 6
5
4
3
2
1
D  D
0X00000 
0X00001 
0X00010 
0X00011 
0X00100 
0X00101 
0X00110 
0X00111 
0X01000 
0X01001 
0X01010
C  C
B  B
0X01011 
0X01100 
0X01101 
0X01110 
0X01111
CPU VID TABLE
VDD
1.550V
1.525V
1.500V
1.475V
1.450V
1.425V
1.400V
1.375V
1.350V
1.300V
1.275V
1.250V
1.225V
1.200V
1.175V
SMBUS ADDRESS MAP
DEVICE
DIMM 0 
DIMM 1 
DIMM 2 
DIMM 3 
SIO 
PCI SLOT 1 
PCI SLOT 2 
PCI SLOT 3 
PCI SLOT 4 
DDC BUS 
DDC BUS
SMBUS #
VID [4..0] 
0X10000 
0X10001 
0X10010 
0X10011 
0X10100 
0X10101 
0X10110 
0X10111 
0X11000 
0X11001
ADDRESS
1010 000 = 0X50 
0 
0
1010 001 = 0X51 
1010 010 = 0X52 
0
1010 011 = 0X53 
0 
1
0101 101 = 0X2D 
1
ARP 
1
ARP 
ARP 
1 
1
ARP 
A
? 
?
B
VDD
1.150V
1.125V
1.100V
1.075V
1.050V
1.025V
1.000V
0.975V
0.950V
0.925V
0.900V
0.875V
0.850V
0.825V
0.800V 
OFF
BACK PANEL
PCI BUS#
SLOT
none 
PCI SLOT 4 
PCI SLOT 3 
PCI SLOT 2 
PCI SLOT 1
01 
01 
01 
01 
01
PCI DEVICE MAP
CK804
MAC /MAC  
PCI-PCI BRIDGE 
SATA1 
SATA0  
IDE 
MODEM CODEC
AUDIO CODEC 
USB 2.0 
USB 1.1
SHAPE TRIM 
LDT
SMBUS2 
LEGACY SLAVE 
LPC
LOGICAL PCI BUS 
PCI SLOT 1
PCI SLOT 2 
PCI SLOT 3 
PCI SLOT 4
PCI SLOT 5
PCI INTERRUPT/IDSEL MAP
IDSEL PIN
DEVICE#
23  0/0
0X0A
25
0X09
24
0X08
23  P_INTY*
0X07
22
0X06
PCI BUS#
CK804 LOGICAL 
PCI BUS 0
DEVICE#
0X01-0X0F 
0
0 
0 
0
0 
0
0 
0 
0
0 
0
0 
0 
0
1
XA
X9 
X8 
X8
X6 
X4
X4 
X2 
X2
X1 
X0
X1 
? 
X1
?
PCI SLOT
INTA*
P_INTY* 
P_INTX* 
P_INTW* 
P_INTZ* 
P_INTY*
PCI SLOT
P_INTZ* 
P_INTY* 
P_INTX* 
P_INTW* 
P_INTZ*
FUNCTION
INTB*
-0
0 
0 
0
0 
1
0 
1 
0
2 
0
1 
? 
0
?
PCI SLOT
PCI SLOT
INTC*
P_INTW*
P_INTX*
P_INTZ*
P_INTW*
P_INTY*
P_INTZ* 
P_INTX* 
P_INTW* P_INTX*
DEVICE ID
-0X56/57
0X005C 
0X0055 
0X0054
0X0053 
0X0058
0X0059 
0X005B 
0X005A
0X005F 
0X005E
0X0052 
0X00D3 
0X0050/51
?
REQ/GNT
RESET
INTD*
3/3 
2/2 
1/1 
0/0
SOT23-6
2 
1 
1 
0 
0
SOT23
1
6
1
CLOCK
0 
3 
2 
1 
0
SOT23-5/SC70
SOT89-5
5
3
2
4
2
1
3
SOT223
5
4
2
3
4
2
1
3
A  A
Title
PCI DEVICE MAP
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
6  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 7
5
D  D
C  C
B  B
+1.2V_HT_CPU
4
TP9 TP /NI
TP13 TP /NI
CPU1A
+1.2V_HT  +1.2V_HT_CPU
D29
VLDT_A6
D27
VLDT_A5
D25
VLDT_A4
C28
VLDT_A3
C26
VLDT_A2
B29
VLDT_A1
B27
CTLIP1 
CTLIN1
R25 
U27 
U26
U25 
W27
W26 
AA27 
AA26
AB25
AA25
AC27 
AC26 
AD25 
AC25
U29
W29
AB29
AA29
AB27 
AB28 
AD29 
AC29 
AD27 
AD28
W25
R27
R26
R29
T25
V25
T27 
T28 
V29
V27 
V28 
Y29
Y25 
Y27
Y28
T29
VLDT_A0
L0_CADIN_H15 
L0_CADIN_L15 
L0_CADIN_H14 
L0_CADIN_L14 
L0_CADIN_H13 
L0_CADIN_L13 
L0_CADIN_H12 
L0_CADIN_L12 
L0_CADIN_H11 
L0_CADIN_L11 
L0_CADIN_H10 
L0_CADIN_L10 
L0_CADIN_H9 
L0_CADIN_L9 
L0_CADIN_H8 
L0_CADIN_L8 
L0_CADIN_H7 
L0_CADIN_L7 
L0_CADIN_H6 
L0_CADIN_L6 
L0_CADIN_H5 
L0_CADIN_L5 
L0_CADIN_H4 
L0_CADIN_L4 
L0_CADIN_H3 
L0_CADIN_L3 
L0_CADIN_H2 
L0_CADIN_L2 
L0_CADIN_H1 
L0_CADIN_L1 
L0_CADIN_H0 
L0_CADIN_L0
L0_CLKIN_H1 
L0_CLKIN_L1 
L0_CLKIN_H0 
L0_CLKIN_L0
L0_CTLIN_H1 
L0_CTLIN_L1 
L0_CTLIN_H0 
L0_CTLIN_L0
HT_UP[15..0]
HT_UP[15..0]
HT_UP15 
HT_UP*15 
HT_UP14 
HT_UP*14 
HT_UP13 
HT_UP*13 
HT_UP12 
HT_UP*12 
HT_UP11 
HT_UP*11 
HT_UP10 
HT_UP*10 
HT_UP9 
HT_UP*9 
HT_UP8 
HT_UP*8 
HT_UP7 
HT_UP*7 
HT_UP6 
HT_UP*6 
HT_UP5 
HT_UP*5 
HT_UP4 
HT_UP*4 
HT_UP3 
HT_UP*3 
HT_UP2 
HT_UP*2 
HT_UP1 
HT_UP*1 
HT_UP0 
HT_UP*0
HT_UP*[15..0]
HT_UP*[15..0]
HT_UPCLK1
HT_UPCLK1
HT_UPCLK1*
HT_UPCLK1*
HT_UPCLK0
HT_UPCLK0
HT_UPCLK0*
HT_UPCLK0*
R362 49.9 1% 
R363 49.9 1%
HT_UPCNTL
HT_UPCNTL
HT_UPCNTL*
HT_UPCNTL*
+1.2V_HT
+1.2V_HT_CPU
3
A
B
VLDT0_B6 
VLDT0_B5 
VLDT0_B4 
VLDT0_B3 
VLDT0_B2 
VLDT0_B1 
VLDT0_B0
L0_CADOUT_H15 
L0_CADOUT_L15 
L0_CADOUT_H14 
L0_CADOUT_L14 
L0_CADOUT_H13 
L0_CADOUT_L13 
L0_CADOUT_H12 
L0_CADOUT_L12 
L0_CADOUT_H11 
L0_CADOUT_L11 
L0_CADOUT_H10 
L0_CADOUT_L10
L0_CADOUT_H9 
L0_CADOUT_L9 
L0_CADOUT_H8 
L0_CADOUT_L8 
L0_CADOUT_H7 
L0_CADOUT_L7 
L0_CADOUT_H6 
L0_CADOUT_L6 
L0_CADOUT_H5 
L0_CADOUT_L5 
L0_CADOUT_H4 
L0_CADOUT_L4 
L0_CADOUT_H3 
L0_CADOUT_L3 
L0_CADOUT_H2 
L0_CADOUT_L2 
L0_CADOUT_H1 
L0_CADOUT_L1 
L0_CADOUT_H0 
L0_CADOUT_L0
L0_CLKOUT_H1 
L0_CLKOUT_L1 
L0_CLKOUT_H0 
L0_CLKOUT_L0
L0_CTLOUT_H1 
L0_CTLOUT_L1 
L0_CTLOUT_H0 
L0_CTLOUT_L0
AH29 
AH27 
AG28 
AG26 
AF29 
AE28 
AF25
N26 
N27 
L25 
M25 
L26 
L27 
J25 
K25 
G25 
H25 
G26 
G27 
E25 
F25 
E26 
E27 
N29 
P29 
M28 
M27 
L29 
M29 
K28 
K27 
H28 
H27 
G29 
H29 
F28 
F27 
E29 
F29
J26 
J27 
J29 
K29
N25 
P25 
P28 
P27
BGA754S-DIP
+1.2V_HT_CPU
HT_DWN[15..0] 
HT_DWN15 
HT_DWN*15 
HT_DWN14 
HT_DWN*14 
HT_DWN13 
HT_DWN*13 
HT_DWN12 
HT_DWN*12 
HT_DWN11 
HT_DWN*11 
HT_DWN10 
HT_DWN*10 
HT_DWN9 
HT_DWN*9 
HT_DWN8 
HT_DWN*8 
HT_DWN7 
HT_DWN*7 
HT_DWN6 
HT_DWN*6 
HT_DWN5 
HT_DWN*5 
HT_DWN4 
HT_DWN*4 
HT_DWN3 
HT_DWN*3 
HT_DWN2 
HT_DWN*2 
HT_DWN1 
HT_DWN*1 
HT_DWN0 
HT_DWN*0
HT_DWN*[15..0]
HT_DWNCLK1 
HT_DWNCLK1* 
HT_DWNCLK0 
HT_DWNCLK0*
HT_DWNCNTL
HT_DWNCNTL*
C443
C442 
1UF 16V 0805 Y5V
1UF 10V Y5V
HT_DWN[15..0] 16
HT_DWN*[15..0] 16
HT_DWNCLK1 16
HT_DWNCLK1* 16
HT_DWNCLK0 16
HT_DWNCLK0* 16
HT_DWNCNTL 16
HT_DWNCNTL* 16
2
LAYOUT: Place HT bypass caps on topside 
near unconnected Clawhammer HT Link
+1.2V_HT
C444
C446
1UF 16V 0805 Y5V
C447
0.1UF 25V Y5V /NI 
1UF 10V Y5V
1
A  A
Title
K8 HT
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
7  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 8
5
CPU1B
AE13
DQS17 
DQS16 
DQS15 
DQS14 
DQS13 
DQS12 
DQS11 
DQS10 
DQS9 
DQS8 
DQS7 
DQS6 
DQS5 
DQS4 
DQS3 
DQS2 
DQS1 
DQS0
MEMZN 
MEMZP
MD63 
MD62 
MD61 
MD60 
MD59 
MD58 
MD57 
MD56 
MD55 
MD54 
MD53 
MD52 
MD51 
MD50 
MD49 
MD48 
MD47 
MD46 
MD45 
MD44 
MD43 
MD42 
MD41 
MD40 
MD39 
MD38 
MD37 
MD36 
MD35 
MD34 
MD33 
MD32 
MD31 
MD30 
MD29 
MD28 
MD27 
MD26 
MD25 
MD24 
MD23 
MD22 
MD21 
MD20 
MD19 
MD18 
MD17 
MD16 
MD15 
MD14 
MD13 
MD12 
MD11 
MD10 
MD9 
MD8 
MD7 
MD6 
MD5 
MD4 
MD3 
MD2 
MD1 
MD0
VTT_SENSE
AG12
MEMVREF1
D14
MEMZN
C14
MEMZP
A16
MEMDATA63
B15
MEMDATA62
A12
MEMDATA61
B11
MEMDATA60
A17
MEMDATA59
A15
MEMDATA58
C13
MEMDATA57
A11
MEMDATA56
A10
MEMDATA55
B9
MEMDATA54
C7
MEMDATA53
A6
MEMDATA52
C11
MEMDATA51
A9
MEMDATA50
A5
MEMDATA49
B5
MEMDATA48
C5
MEMDATA47
A4
MEMDATA46
E2
MEMDATA45
E1
MEMDATA44
A3
MEMDATA43
B3
MEMDATA42
E3
MEMDATA41
F1
MEMDATA40
G2
MEMDATA39
G1
MEMDATA38
L3
MEMDATA37
L1
MEMDATA36
G3
MEMDATA35
J2
MEMDATA34
L2
MEMDATA33
M1
MEMDATA32
W1
MEMDATA31
W3
MEMDATA30
AC1
MEMDATA29
AC3
MEMDATA28
W2
MEMDATA27
Y1
MEMDATA26
AC2
MEMDATA25
AD1
MEMDATA24
AE1
MEMDATA23
AE3
MEMDATA22
AG3
MEMDATA21
AJ4
MEMDATA20
AE2
MEMDATA19
AF1
MEMDATA18
AH3
MEMDATA17
AJ3
MEMDATA16
AJ5
MEMDATA15
AJ6
MEMDATA14
AJ7
MEMDATA13
AH9
MEMDATA12
AG5
MEMDATA11
AH5
MEMDATA10
AJ9
MEMDATA9
AJ10
MEMDATA8
AH11
MEMDATA7
AJ11
MEMDATA6
AH15
MEMDATA5
AJ15
MEMDATA4
AG11
MEMDATA3
AJ12
MEMDATA2
AJ14
MEMDATA1
AJ16
MEMDATA0
R1
MEMDQS17
A13
MEMDQS16
A7
MEMDQS15
C2
MEMDQS14
H1
MEMDQS13
AA1
MEMDQS12
AG1
MEMDQS11
AH7
MEMDQS10
AH13
MEMDQS9
T1
MEMDQS8
A14
MEMDQS7
A8
MEMDQS6
D1
MEMDQS5
J1
MEMDQS4
AB1
MEMDQS3
AJ2
MEMDQS2
AJ8
MEMDQS1
AJ13
MEMDQS0
+2.5VDIMM
MD[63:0]
TP2TP /NI
R364 33 1% 
R365 33 1%
DQS[17:0]
+1.25VREF_CLAW
D  D
C  C
B  B
A  A
LAYOUT: 10/5/10 
LAYOUT: PLACE WITHIN 1 INCH OF CPU
4
VTT_A4 
VTT_A1 
VTT_A2
VTT_A3 
VTT_B1 
VTT_B2 
VTT_B3 
VTT_B4
MEMRESET_L
MEMCKEA 
MEMCKEB
MEMCLK_H7
MEMCLK_L7
MEMCLK_H6
MEMCLK_L6
MEMCLK_H5
MEMCLK_L5
MEMCLK_H4
MEMCLK_L4
MEMCLK_H3
MEMCLK_L3
MEMCLK_H2
MEMCLK_L2
MEMCLK_H1
MEMCLK_L1
MEMCLK_H0
MEMCLK_L0
MEMCS_L7 
MEMCS_L6 
MEMCS_L5 
MEMCS_L4 
MEMCS_L3 
MEMCS_L2 
MEMCS_L1 
MEMCS_L0
MEMRASA_L 
MEMCASA_L
MEMWEA_L
MEMBANKA1 
MEMBANKA0
RSVD_MEMADDA15 
RSVD_MEMADDA14
MEMADDA13 
MEMADDA12 
MEMADDA11 
MEMADDA10
MEMADDA9 
MEMADDA8 
MEMADDA7 
MEMADDA6 
MEMADDA5 
MEMADDA4 
MEMADDA3 
MEMADDA2 
MEMADDA1 
MEMADDA0
MEMRASB_L 
MEMCASB_L
MEMWEB_L
MEMBANKB1 
MEMBANKB0
RSVD_MEMADDB_B15 
RSVD_MEMADDB_B14
MEMADDB_B13 
MEMADDB_B12 
MEMADDB_B11 
MEMADDB_B10
MEMADDB_B9 
MEMADDB_B8 
MEMADDB_B7 
MEMADDB_B6 
MEMADDB_B5 
MEMADDB_B4 
MEMADDB_B3 
MEMADDB_B2 
MEMADDB_B1 
MEMADDB_B0
MEMCHECK7 
MEMCHECK6 
MEMCHECK5 
MEMCHECK4 
MEMCHECK3 
MEMCHECK2 
MEMCHECK1 
MEMCHECK0
BGA754S-DIP
3
D17
+1.25VTT
A18 
B17 
C17 
AF16 
AG16 
AH16 
AJ17
AG10 
AE8
AE7 
D10
C10 
E12 
E11 
AF8 
AG8 
AF10 
AE10 
V3 
V4 
K5 
K4 
R5 
P5 
P3 
P4
D8 
C8 
E8 
E7
-CS3
D6
-CS2
E6
-CS1
C4
-CS0
E5 
H5
D4 
G5
K3 
H3
E13 
C12 
E10 
AE6 
AF3 
M5 
AE5 
AB5 
AD3 
Y5 
AB4 
Y3 
V5 
T5 
T3 
N5
H4 
F5 
F4
L5 
J5
E14 
D12 
E9 
AF6 
AF4 
M4 
AD5 
AC5 
AD4 
AA5 
AB3 
Y4 
W5 
U5 
T4 
M3
N3 
N1 
U3 
V1 
N2 
P1 
U1 
U2
MAA13 
MAA12 
MAA11 
MAA10 
MAA9 
MAA8 
MAA7 
MAA6 
MAA5 
MAA4 
MAA3 
MAA2 
MAA1 
MAA0
MAB13 
MAB12 
MAB11 
MAB10 
MAB9 
MAB8 
MAB7 
MAB6 
MAB5 
MAB4 
MAB3 
MAB2 
MAB1 
MAB0
MECC7 
MECC6 
MECC5 
MECC4 
MECC3 
MECC2 
MECC1 
MECC0
DCLK7+ 
DCLK7DCLK6+ 
DCLK6DCLK5+ 
DCLK5DCLK4+ 
DCLK4-
DCLK1+ 
DCLK1DCLK0+ 
DCLK0-
CKE0  13,14,15 
CKE1  13,14,15
DCLK7+  13,15 
DCLK7-  13,15 
DCLK6+  14,15 
DCLK6-  14,15 
DCLK5+  13,15 
DCLK5-  13,15 
DCLK4+  14,15 
DCLK4-  14,15
DCLK1+  14,15 
DCLK1-  14,15 
DCLK0+  13,15 
DCLK0-  13,15
-CS3  14,15
-CS2  14,15
-CS1  13,15
-CS0  13,15
-SRASA  13,15
-SCASA  13,15
-SWEA  13,15 
MEMBAA1 13,15
MEMBAA0 13,15
MAA[13:0] 13,15
-SRASB  14,15
-SCASB  14,15
-SWEB  14,15 
MEMBAB1 14,15
MEMBAB0 14,15
MAB[13:0] 14,15
MECC[7:0] 15
Clawhammer DDR Interface
+1.25VREF_CLAW
+2.5VDIMM
Change 
to 1%
LAYOUT: Place on the bottom of the 
board.
R366 
110 1%
110 1%
2
C448
0.01UF 50V X7R
C449
0.01UF 50V X7R
C450
0.1UF 25V Y5V
C452
C451
33P 50V NPO
0.1UF 25V Y5V /NI
LAYOUT: Place 39pF 
EMI cap near output
C453
0.1UF 25V Y5V
+1.25VREF_CLAW
C454
1000P 50V X7R /NI
LAYOUT: Locate caps 
close to socket.
1
Title
K8 CNTL/STRAPS
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
8  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 9
5
CPU_RST* 
CPU_PWRGD 
HT_STOP*
R372 44.2 1% 
R373 44.2 1%
CPU_CORE_FB 
CPU_CORE_FB-
R374 169 1%
BPSCLK+ 
BPSCLK-
DBRDY
TMS 
TCK
-TRST 
TDI
SINCHN
-BRN
CLAW_ANALOG3 
CLAW_ANALOG2 
CLAW_ANALOG1 
CLAW_ANALOG0
LVREF1 
LVREF0
VDDIOFB_H
CPUCK+ 
CPUCK-
+2.5VDDA
AH25
AJ25 
AF20
AE18 
AJ27
AF27 
AE26
A23 
A24 
B23
AE12 
AF12 
AE11
AJ21
AH21
AJ23
AH23
AE24 
AF24
C16
AG15 
AH17
C15 
E20
E17 
B21 
A21
C18 
A19
A28
AJ28
AE23 
AF23 
AF22 
AF21
C1
J3
R3
AA2
D3 
AG2 
B18 
AH1
AE21
C20 
AG4
C6 
AG6 
AE9 
AG9
D  D
PLACE WITHIN 1 INCH 
10/5/10
TP3TP /NI
TP1TP /NI
ROUTE AS DIF 20/5/5/5/20 
LAYOUT: PLACE 169 OHM WITHIN 0.5INCH OF CPU
C  C
B  B
VDDIO_SENSE
A  A
CPUCK+
CPU_CLK*
TP /NI
TP /NI
TP /NI
TP /NI
TP /NI
+1.2V_HT_CPU
CPU_CLK
TP6
TP4
TP8
TP7
TP5
C456 
47P 50V NPO /NI
CPU_RST*
CPU_PWRGD
HT_STOP*
CPU_CORE_FB
ROUTE AS DIFF PAIR
TP10 TP /NI
10/5/10 10
TP11 TP /NI
VDDIO_SENSE
3900P 50V X7R
+1.25VTT
CPU_RST*
CPU_PWRGD
HT_STOP*
CPU_CORE_FB
CPU_CORE_FB-
VDDIO_SENSE
TP12 TP /NI
4
LAYOUT: Route +2.5VDDA approx. 50mil wide 
and 500mils long.(Reference to ground)
CPU1C
A20
VDDA1 
VDDA2
RESET_L 
PWROK 
LDTSTOP_L
L0_REF1 
L0_REF0
COREFB_H 
COREFB_L 
CORE_SENSE
VDDIOFB_H 
VDDIOFB_L 
VDDIO_SENSE
CLKIN_H 
CLKIN_L
NC 
NC
NC 
NC
VTT_A5 
VTT_B5
DBRDY
NC 
TMS
TCK 
TRST_L 
TDI
NC 
NC
KEY1 
KEY0
NC 
NC 
NC 
NC
FREE29 
FREE31 
FREE33 
FREE35 
FREE1 
FREE37 
FREE4 
FREE38 
FREE41 
FREE7 
FREE11 
FREE12 
FREE13 
FREE14 
FREE40
BGA754S-DIP
THERMTRIP_L
THERMDA
THERMDC
G_FBCLKOUT_H
G_FBCLKOUT_L
DBREQ_L
RSVD_SCL 
RSVD_SDA
FREE26 
FREE28 
FREE30 
FREE32 
FREE34 
FREE36 
FREE10 
FREE18 
FREE19 
FREE42 
FREE24 
FREE25 
FREE27
A26 
A27
AG13
VID4
AF14
VID3
AG14
VID2
AF15
VID1
AE15
VID0
AG18
NC
AH18
NC
AG17
NC
AJ18
NC
AH19 
AJ19
AE19
D20
NC
C21
NC
D18
NC
C19
NC
B19
NC
A22
TDO
AF18
NC
D22 
C22
B13 
B7 
C3 
K1 
R2 
AA3 
F3 
C23 
AG7 
AE22 
C24 
A25 
C9
3
+3.3V_STBY
U16
1
VDD
2
C455 
2200P 50V X7R /NI
VID4 
VID3 
VID2 
VID1 
VID0
FBCLKOUT+ 
FBCLKOUT-
-DBREQ
SCANCLK1 
SCANCLK2 
SCANEN 
SCANSHENB 
SCANSHENA
TDO
R376 0 /NI
D+
3
D-
4  5
T_CRIT_A#VSS
LM90 MSOP8 /NI
R368 0 /NI 
R369 680
R370 0 
R371 0
K8_VID4  38 
K8_VID3  38 
K8_VID2  38 
K8_VID1  38 
K8_VID0  38
BP1 
BP0
80.6 1%-->82 1%
R375 80.6 1%
LAYOUT: Route differentially 
with 20/8/5/8/20
LAYOUT: PLACE WITHIN 0.5 INCH OF CPU
+2.5VDIMM
8
SMB_CL
7
SMB_DA
6
ALERT#
CHIP_THERM* 20,29
CPU_THERMTRIP* 16
+2.5VDDA
CPU_THERMDA 29 
CPU_THERMDC 29,30
SMB_SCL 
SMB_SDA 
SMB_ALLERT-
ROUTING : 10/10/10
SMB_SCL 20,22,23,24,25,38 
SMB_SDA 20,22,23,24,25,38 
SMB_ALLERT* 29
SCANSHENA 
SCANSHENB 
SCANCLK1 
SCANCLK2
SCANEN 
BP1 
BP0
BPSCLK+ 
BPSCLK-
LVREF0 
LVREF1
+2.5VDDA
+2.5VDDA
+2.5VDDA
1UF 10V Y5V
RN106
1  2 
3  4 
5  6 
7  8
680 8P4R
RN107
680 8P4R
R377 820 
R378 820
1000P 50V X7R
1000P 50V X7R
2
7
+2.5VDIMM
RN110
680 8P4R
1  2 
3  4 
5  6 
7  8
R416 680
R417 680
CPU_PWRGD
-DBREQ 
DBRDY 
TCK
HT_STOP*
CPU_RST*
RN108 
680 8P4R
TDI
-TRST 
TMS 
TDO
Modify circuit
SINCHN
-BRN
CLAW_ANALOG3 
CLAW_ANALOG2
CLAW_ANALOG1 
CLAW_ANALOG0
+2.5VDDA
7
R379 680 
R380 680
1
+2.5VDDA
RN109 
680 8P4R
+2.5VDIMM
7
1
Title
K8 DDR MEM 0-63
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
9  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 10
5
CPU1D
+V_CPU  +2.5VDIMM
L7
VDD1
AC15
VDD2
H18
VDD3
B20
VDD4
E21
VDD5
H22
VDD6
J23
VDD7
AB14
AA15
AB16
AA17 
AC17 
AE17
AB18 
AD18 
AG19
AC19
AA19
AB20 
AD20
AA21 
AC21
AB22 
AD22
AA23 
AC23
AB24 
AD24 
AH24 
AE25
H24
F26
V10
G13
K14 
Y14
G15
J15
H16
K16 
Y16
G17
J17
F18 
K18 
Y18
E19
G19
J19 
F20
H20
K20
M20
P20 
T20 
V20 
Y20
G21
J21
L21 
N21 
R21 
U21 
W21
F22
K22 
M22
P22
T22
V22
Y22
E23 
G23
L23 
N23 
R23 
U23 
W23
B24 
D24
F24
K24 
M24
P24
T24
V24
Y24
K26
P26
V26
N7 
L9
5
VDD8 
VDD9 
VDD10 
VDD11 
VDD12 
VDD13 
VDD14 
VDD15 
VDD16 
VDD17 
VDD18 
VDD19 
VDD20 
VDD21 
VDD22 
VDD23 
VDD24 
VDD25 
VDD26 
VDD27 
VDD28 
VDD29 
VDD30 
VDD31 
VDD32 
VDD33 
VDD34 
VDD35 
VDD36 
VDD37 
VDD38 
VDD39 
VDD40 
VDD41 
VDD42 
VDD43 
VDD44 
VDD45 
VDD46 
VDD47 
VDD48 
VDD49 
VDD50 
VDD51 
VDD52 
VDD53 
VDD54 
VDD55 
VDD56 
VDD57 
VDD58 
VDD59 
VDD60 
VDD61 
VDD62 
VDD63 
VDD64 
VDD65 
VDD66 
VDD67 
VDD68 
VDD69 
VDD70 
VDD71 
VDD72 
VDD73 
VDD74 
VDD75 
VDD76 
VDD77 
VDD78 
VDD79 
VDD80 
VDD81 
VDD82 
VDD83 
VDD84 
VDD85 
VDD86 
VDD87 
VDD88 
VDD89 
VDD90 
VDD91 
VDD92
BGA754S-DIP
D  D
C  C
B  B
A  A
VDDIO1 
VDDIO2 
VDDIO3 
VDDIO4 
VDDIO5 
VDDIO7 
VDDIO8
VDDIO9 
VDDIO10 
VDDIO11 
VDDIO12 
VDDIO13 
VDDIO14 
VDDIO15 
VDDIO16 
VDDIO17 
VDDIO18 
VDDIO19 
VDDIO20 
VDDIO21 
VDDIO22 
VDDIO23 
VDDIO24 
VDDIO25 
VDDIO26 
VDDIO27 
VDDIO28 
VDDIO29 
VDDIO30 
VDDIO31 
VDDIO32 
VDDIO33 
VDDIO34 
VDDIO35 
VDDIO36 
VDDIO37 
VDDIO38 
VDDIO39 
VDDIO40 
VDDIO41 
VDDIO42 
VDDIO43 
VDDIO44 
VDDIO45 
VDDIO46 
VDDIO47 
VDDIO48 
VDDIO49 
VDDIO50
VDDIO6
VDD96 
VDD97 
VDD98
VDD99 
VDD100 
VDD101 
VDD102 
VDD103 
VDD104 
VDD105 
VDD106 
VDD107 
VDD108 
VDD109 
VDD110 
VDD111 
VDD112 
VDD113 
VDD114 
VDD115 
VDD116 
VDD117 
VDD118 
VDD119 
VDD120 
VDD121 
VDD122 
VDD123 
VDD124 
VDD125 
VDD126 
VDD127 
VDD128 
VDD129 
VDD130 
VDD131 
VDD132 
VDD133
VDD93
VDD94
VDD95
E4 
G4 
J4 
L4 
N4 
U4 
W4 
AA4 
AC4 
AE4 
D5 
AF5 
F6 
H6 
K6 
M6 
P6 
T6 
V6 
Y6 
AB6 
AD6 
D7 
G7 
J7 
AA7 
AC7 
AF7 
F8 
H8 
AB8 
AD8 
D9 
G9 
AC9 
AF9 
F10 
AD10 
D11 
AF11 
F12 
AD12 
D13 
AF13 
F14 
AD14 
F16 
AD16 
D15 
R4
+V_CPU 
N28 
U28 
AA28 
AE27 
R7 
U7 
W7 
K8 
M8 
P8 
T8 
V8 
Y8 
J9 
N9 
R9 
U9 
W9 
AA9 
H10 
K10 
M10 
P10 
T10 
Y10 
AB10 
G11 
J11 
AA11 
AC11 
H12 
K12 
Y12 
AB12 
J13 
AA13 
AC13 
H14 
AB26 
E28 
J28
4
CPU1E
B2
VSS1
AH20
VSS3
AB21
VSS4
W22
VSS5
M23
VSS6
L24
VSS7
AG25
VSS8
AG27
VSS9
D2
VSS10
AF2
VSS11
W6
VSS12
Y7
VSS13
AA8
VSS14
AB9
VSS15
AA10
VSS16
J12
VSS17
B14
VSS18
Y15
VSS19
AE16
VSS20
J18
VSS21
G20
VSS22
R20
VSS23
U20
VSS24
W20
VSS25
AA20
VSS26
AC20
VSS27
AE20
VSS28
AG20
VSS29
AJ20
VSS30
D21
VSS31
F21
VSS32
H21
VSS33
K21
VSS34
M21
VSS35
P21
VSS36
T21
VSS37
V21
VSS38
Y21
VSS39
AD21
VSS40
AG21
VSS41
B22
VSS42
E22
VSS43
G22
VSS44
J22
VSS45
L22
VSS46
N22
VSS47
R22
VSS48
U22
VSS49
AG29
VSS50
AA22
VSS51
AC22
VSS52
AG22
VSS53
AH22
VSS54
AJ22
VSS55
D23
VSS56
F23
VSS57
H23
VSS58
K23
VSS59
P23
VSS60
T23
VSS61
V23
VSS62
Y23
VSS63
AB23
VSS64
AD23
VSS65
AG23
VSS66
E24
VSS67
G24
VSS68
J24
VSS69
N24
VSS70
R24
VSS71
U24
VSS72
W24
VSS73
AA24
VSS74
AC24
VSS75
AG24
VSS76
AJ24
VSS77
B25
VSS78
C25
VSS79
B26
VSS80
D26
VSS81
H26
VSS82
M26
VSS83
T26
VSS84
Y26
VSS85
AD26
VSS86
AF26
VSS87
AH26
VSS88
C27
VSS89
B28
VSS90
D28
VSS91
G28
VSS92
F15
VSS187
H15
VSS188
AB17
VSS206
AD17
VSS207
B16
VSS208
G18
VSS209
AA18
VSS210
AC18
VSS211
D19
VSS212
F19
VSS213
H19
VSS214
K19
VSS215
Y19
VSS216
AB19
VSS217
AD19
VSS218
AF19
VSS219
J20
VSS220
L20
VSS221
N20
VSS222
BGA754S-DIP
4
VSS93 
VSS94 
VSS95 
VSS96 
VSS97 
VSS98
VSS99 
VSS100 
VSS101 
VSS102 
VSS103 
VSS104 
VSS105 
VSS106 
VSS107 
VSS108 
VSS109 
VSS110 
VSS111 
VSS112 
VSS113 
VSS114 
VSS115 
VSS116 
VSS117 
VSS118 
VSS119 
VSS120 
VSS121 
VSS122 
VSS123 
VSS124 
VSS125 
VSS126 
VSS127 
VSS128 
VSS129 
VSS130 
VSS131 
VSS132 
VSS133 
VSS134 
VSS135 
VSS136 
VSS137 
VSS138 
VSS139 
VSS140 
VSS141 
VSS142 
VSS143 
VSS144 
VSS145 
VSS146 
VSS147 
VSS148 
VSS149 
VSS150 
VSS151 
VSS152 
VSS153 
VSS155 
VSS156 
VSS157 
VSS158 
VSS159 
VSS160 
VSS161 
VSS162 
VSS163 
VSS164 
VSS165 
VSS166 
VSS167 
VSS168 
VSS169 
VSS170 
VSS171 
VSS172 
VSS173 
VSS174 
VSS175 
VSS176 
VSS177 
VSS178 
VSS179 
VSS180 
VSS181 
VSS182 
VSS183 
VSS184 
VSS185 
VSS186 
VSS189 
VSS190 
VSS191 
VSS192 
VSS194 
VSS195 
VSS196 
VSS197 
VSS198 
VSS199 
VSS223 
VSS201 
VSS202 
VSS203 
VSS204 
VSS205
3
L28 
R28 
W28 
AC28 
AF28 
AH28 
C29 
F2 
H2 
K2 
M2 
P2 
T2 
V2 
Y2 
AB2 
AD2 
AH2 
B4 
AH4 
B6 
G6 
J6 
L6 
N6 
R6 
U6 
AA6 
AC6 
AH6 
F7 
H7 
K7 
M7 
P7 
T7 
V7 
AB7 
AD7 
B8 
G8 
J8 
L8 
N8 
R8 
U8 
W8 
AC8 
AH8 
F9 
H9 
K9 
M9 
P9 
T9 
V9 
Y9 
AD9 
B10 
G10 
J10 
L10 
N10 
R10 
U10 
W10 
AC10 
AH10 
F11 
H11 
K11 
Y11 
AB11 
AD11 
B12 
G12 
AA12 
AC12 
AH12 
F13 
H13 
K13 
Y13 
AB13 
AD13 
AF17 
G14 
J14 
AA14 
AC14 
AE14 
D16 
E15 
K15 
AB15 
AD15 
AH14 
E16 
G16 
J16 
AA16 
AC16 
AE29 
AJ26 
E18 
F17 
H17 
K17 
Y17
Clawhammer Power and Ground Connections
+V_CPU
0.1UF 25V Y5V /NI
LAYOUT: Place 6 EMI 
caps along bottom right 
side of CPU,2 in middle 
of HT link,and 12 along 
bottom left side of CPU.
0.1UF 25V Y5V
0.1UF 25V Y5V
+V_CPU
+2.5VDIMM
1UF 16V 0805 Y5V
3
2
+V_CPU
C56 1UF 16V 0805 Y5V 
C466 0.1UF 25V Y5V
LAYOUT: Place in uPGA 
socket cavity.
LAYOUT: Place 1 cap every 1~1.5" along VCORE perimiter.
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
+V_CPU
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V
1UF 16V 0805 Y5V /NI
1UF 16V 0805 Y5V /NI
Title
Size Document Number  Rev
Custom
2
Date:  Sheet  of
1
LAYOUT: Place 
1000p caps 
between VRM & 
CPU..
+2.5VDIMM
0.1UF 25V Y5V
0.1UF 25V Y5V
+2.5VDIMM
C475 10UF 10V 0805 Y5V /NI 
C476 1UF 16V 0805 Y5V /NI 
C477 1UF 16V 0805 Y5V /NI
C482 1UF 16V 0805 Y5V /NI
LAYOUT: Located close to socket
K8 DDR MEM 64-127
NF44X-A7
1
1.2
10  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 11
5
D  D
C  C
100UF 16V 5X11 2mm /NI
B  B
4
C51 2.5V
2.5V @ 500MA AMPS MAX
C494
CT41
1UF 16V 0805 Y5V /NI
AZ1117H-ADJ SOT-223
Vout=Vref (1.25V) X ( 1+R2/R1 ) 
    =2.5V
3
+V_CPU
ADD FOR EMI 
PLACE NEAR C80
C103
0.1UF 25V Y5V /NI
+5V
OIA
Q62
+2.5VDDA
C495
49.9 1%
R382
54.9 1%
CT42 
100UF 16V 5X11 2mm /NI
1UF 16V 0805 Y5V
R1
R2
2
1
A  A
Title
AMD-K8-POWER
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
11  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 12
5
D  D
4
3
2
1
+V_CPU
1
C122
C  C
10UF 10V 0805 Y5V /NI
+V_CPU
1
BC19 
1UF 16V 0805 Y5V /NI
1
BC16 
1UF 16V 0805 Y5V /NI
1
BC1
0.1UF 25V Y5V
PLACE TOP SIDE UNDER CPU HEATSINK
1
C581 
10UF 10V 0805 Y5V /NI
1
BC20 
1UF 16V 0805 Y5V /NI
+2.5VDIMM
PLACE TOP SIDE UNDER CPU HEATSINK NEXT TO MEM CLKS
1
1
C167
0.1UF 25V Y5V /NI
C112
0.1UF 25V Y5V /NI
PLACE NEAR CPU ON EITHER SIDE
+1.25VTT
1
1
C9
C75
0.1UF 25V Y5V /NI 
10UF 10V 0805 Y5V /NI
+2.5VDIMM
+1.2V_HT
1
C191
0.1UF 25V Y5V /NI
B  B
A  A
Title
CPU DECOUPLING
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
12  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 13
5
DIMM1
-CS0
-CS1
-SWEA
-SCASA
-SRASA
CKE1
DCLK5+
SMBDT
+1.25VREF_MEM
MEMBAA0 
MEMBAA1
+2.5VDIMM
R385 0 /NI
FETEN
MAA0 
MAA1 
MAA2 
MAA3 
MAA4 
MAA5 
MAA6 
MAA7 
MAA8 
MAA9 
MAA10 
MAA11 
MAA12 
MAA13
-SWEA
-SCASA
-SRASA 
CKE0
CKE1
DCLK5+ 
DCLK5DCLK0+ 
DCLK0DCLK7+ 
DCLK7-
SMBDT 
SMBCK
DQS_9 
DQS_10 
DQS_11 
DQS_12 
DQS_13 
DQS_14 
DQS_15 
DQS_16 
DQS_17
DQS_0 
DQS_1 
DQS_2 
DQS_3 
DQS_4 
DQS_5 
DQS_6 
DQS_7 
DQS_8
FETEN
D  D
C  C
B  B
MAA[13:0]
MEMBAA0
DQS_[17:0]
DQS_[17:0]
SMB_MEM_SDA
SMB_MEM_SCL
48 
43 
41
130
37 
32
125
29
122
27 
141 
118 
115 
167
59
52 
113
157 
158
71 
163
97 
107 
119 
129 
149 
159 
169 
177 
140
63
65 
154
21 
111
16
17 
137 
138
76
75
5 
14 
25 
36 
56 
67 
78 
86 
47
91 
92
181 
182 
183
1 
82
184
9 
10
101 
102 
173 
103
A0 
A1 
A2 
A3 
A4 
A5 
A6 
A7 
A8 
A9 
A10 
A11 
A12 
A13
BA0 
BA1 
BA2
CS0 
CS1 
NC/CS2 
NC/CS3
DQM0 
DQM1 
DQM2 
DQM3 
DQM4 
DQM5 
DQM6 
DQM7 
DQM8
WE 
CAS 
RAS
CKE0 
CKE1
CK0/DNU 
CK0/DNU 
CK1 
CK1 
CK2/DNU 
CK2/DNU
DQS0 
DQS1 
DQS2 
DQS3 
DQS4 
DQS5 
DQS6 
DQS7 
DQS8
SDA 
SCL
SA0 
SA1 
SA2
VREF 
VDDID 
VDDSPD
NC 
NC/RESET 
NC 
NC 
NC 
NC/FETEN
4
15223054627796
VDDQ
VDDQ
VDDQ
+2.5VDIMM
104
112
128
136
143
156
164
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
GND
GND
GND
GND
GND
GND
GND
GND
GND
3111826344250586674818993
GND
172
180738467085108
VDD
VDDQ
VDDQ
VDDQ
GND
GND
GND
GND
GND
100
116
VDD
VDD
GND
GND
124
132
139
120
148
168
VDD
VDD
VDD
VDD
VDD
GND
GND
GND
GND
GND
DDRAM184 NYLON LOTES B
145
152
160
176
3
DIMM1
VDD
MD_0
2
D0
MD_1
4
D1
MD_2
6
D2
MD_3
8
D3
MD_4
94
D4
MD_5
95
D5
MD_6
98
D6
MD_7
99
D7
MD_8
12
D8
MD_9
13
D9
MD_10
19
D10
MD_11
20
D11
MD_12
105
D12
MD_13
106
D13
MD_14
109
D14
MD_15
110
D15
MD_16
23
D16
MD_17
24
D17
MD_18
28
D18
MD_19
31
D19
MD_20
114
D20
MD_21
117
D21
MD_22
121
D22
MD_23
123
D23
MD_24
33
D24
MD_25
35
D25
MD_26
39
D26
MD_27
40
D27
MD_28
126
D28
MD_29
127
D29
MD_30
131
D30
MD_31
133
D31
MD_32
53
D32
MD_33
55
D33
MD_34
57
D34
MD_35
60
D35
MD_36
146
D36
MD_37
147
D37
MD_38
150
D38
MD_39
151
D39
MD_40
61
D40
MD_41
64
D41
MD_42
68
D42
MD_43
69
D43
MD_44
153
D44
MD_45
155
D45
MD_46
161
D46
MD_47
162
D47
MD_48
72
D48
MD_49
73
D49
MD_50
79
D50
MD_51
80
D51
MD_52
165
D52
MD_53
166
D53
MD_54
170
D54
MD_55
171
D55
MD_56
83
D56
MD_57
84
D57
MD_58
87
D58
MD_59
88
D59
MD_60
174
D60
MD_61
175
D61
MD_62
178
D62
MD_63
179
D63
MECC_0
44
CB0
MECC_1
45
CB1
MECC_2
49
CB2
MECC_3
51
CB3
MECC_4
134
CB4
MECC_5
135
CB5
MECC_6
142
CB6
MECC_7
144
CB7
R386 4.7K
90
WP
MD_[63:0] 14,15
+1.25VREF_MEM
MECC_[7:0] 14,15
+2.5VDIMM
Change 
to 1%
Change 
to 1%
+2.5VDIMM
R383 
100 1%
R384 
100 1%
2
C496
0.01UF 50V X7R
C497
0.1UF 25V Y5V
LAYOUT: Place 39pf 
EMI cap near output
C500 
33P 50V NPO
1
+1.25VREF_MEM
LAYOUT: Locate caps 
close to DIMMs.
C498
C499 
1000P 50V X7R /NI
0.1UF 25V Y5V /NI
A  A
Title
DDR DIMM1
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
13  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 14
5
D  D
DQS_[17:0]
C  C
B  B
MAB[13:0]
MEMBAB0
-CS2
-CS3
-SWEB
-SCASB
-SRASB
CKE0
DCLK4+
DQS_[17:0]
SMBDT
+2.5VDIMM
+1.25VREF_MEM
+2.5VDIMM
FETEN
MEMBAB0 
MEMBAB1
FETEN
4
-SWEB
-SCASB
-SRASB
SMBDT 
SMBCK
MAB0 
MAB1 
MAB2 
MAB3 
MAB4 
MAB5 
MAB6 
MAB7 
MAB8 
MAB9 
MAB10 
MAB11 
MAB12 
MAB13
DQS_9 
DQS_10 
DQS_11 
DQS_12 
DQS_13 
DQS_14 
DQS_15 
DQS_16 
DQS_17
CKE0 
CKE1
DQS_0 
DQS_1 
DQS_2 
DQS_3 
DQS_4 
DQS_5 
DQS_6 
DQS_7 
DQS_8
48 
43 
41
130
37 
32
125
29
122
27 
141 
118 
115 
167
59
52 
113
157 
158
71 
163
97 
107 
119 
129 
149 
159 
169 
177 
140
63
65 
154
21 
111
16
17 
137 
138
76
75
5 
14 
25 
36 
56 
67 
78 
86 
47
91 
92
181 
182 
183
1 
82
184
9 
10
101 
102 
173 
103
15223054627796
A0 
A1 
A2 
A3 
A4 
A5 
A6 
A7 
A8 
A9 
A10 
A11 
A12 
A13
BA0 
BA1 
BA2
CS0 
CS1 
NC/CS2 
NC/CS3
DQM0 
DQM1 
DQM2 
DQM3 
DQM4 
DQM5 
DQM6 
DQM7 
DQM8
WE 
CAS 
RAS
CKE0 
CKE1
CK0/DNU 
CK0/DNU 
CK1 
CK1 
CK2/DNU 
CK2/DNU
DQS0 
DQS1 
DQS2 
DQS3 
DQS4 
DQS5 
DQS6 
DQS7 
DQS8
SDA 
SCL
SA0 
SA1 
SA2
VREF 
VDDID 
VDDSPD
NC 
NC/RESET 
NC 
NC 
NC 
NC/FETEN
VDDQ
VDDQ
VDDQ
+2.5VDIMM
104
112
128
136
143
156
164
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
3111826344250586674818993
GND
172
180738467085108
VDD
VDDQ
VDDQ
GND
GND
GND
GND
100
116
124
VDD
VDD
VDD
GND
GND
GND
132
139
145
3
120
148
168
DIMM2
VDD
VDD
VDD
VDD
VDD
D0 
D1 
D2 
D3 
D4 
D5 
D6 
D7 
D8
D9 
D10 
D11 
D12 
D13 
D14 
D15 
D16 
D17 
D18 
D19 
D20 
D21 
D22 
D23 
D24 
D25 
D26 
D27 
D28 
D29 
D30 
D31 
D32 
D33 
D34 
D35 
D36 
D37 
D38 
D39 
D40 
D41 
D42 
D43 
D44 
D45 
D46 
D47 
D48 
D49 
D50 
D51 
D52 
D53 
D54 
D55 
D56 
D57 
D58 
D59 
D60 
D61 
D62 
D63
CB0 
CB1 
CB2 
CB3 
CB4 
CB5 
CB6 
CB7
WP
GND
GND
GND
GND
DDRAM184 NYLON LOTES B
152
160
176
DIMM2
2 
4 
6 
8 
94 
95 
98 
99 
12 
13 
19 
20 
105 
106 
109 
110 
23 
24 
28 
31 
114 
117 
121 
123 
33 
35 
39 
40 
126 
127 
131 
133 
53 
55 
57 
60 
146 
147 
150 
151 
61 
64 
68 
69 
153 
155 
161 
162 
72 
73 
79 
80 
165 
166 
170 
171 
83 
84 
87 
88 
174 
175 
178 
179
MECC_0
44
MECC_1
45
MECC_2
49
MECC_3
51
MECC_4
134
MECC_5
135
MECC_6
142
MECC_7
144
WWP
90
MD_0 
MD_1 
MD_2 
MD_3 
MD_4 
MD_5 
MD_6 
MD_7 
MD_8 
MD_9 
MD_10 
MD_11 
MD_12 
MD_13 
MD_14 
MD_15 
MD_16 
MD_17 
MD_18 
MD_19 
MD_20 
MD_21 
MD_22 
MD_23 
MD_24 
MD_25 
MD_26 
MD_27 
MD_28 
MD_29 
MD_30 
MD_31 
MD_32 
MD_33 
MD_34 
MD_35 
MD_36 
MD_37 
MD_38 
MD_39 
MD_40 
MD_41 
MD_42 
MD_43 
MD_44 
MD_45 
MD_46 
MD_47 
MD_48 
MD_49 
MD_50 
MD_51 
MD_52 
MD_53 
MD_54 
MD_55 
MD_56 
MD_57 
MD_58 
MD_59 
MD_60 
MD_61 
MD_62 
MD_63
R387
4.7K
MD_[63:0] 13,15
MECC_[7:0] 13,15
+2.5VDIMM
2
1
A  A
Title
DDR DIMM2
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
14  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 15
5
4
3
2
1
MD0
1  2
MD4 
MD5 
MD1 
MD2 
MD6 
MD7 
MD3
D  D
C  C
B  B
A  A
MD14 
MD15 
MD10 
MD11 
MD20 
MD16 
MD17 
MD21 
MD18 
MD22 
MD19 
MD23 
MD24 
MD28 
MD25 
MD29 
MD26 
MD30 
MD27 
MD31 
MD32 
MD36 
MD33 
MD37 
MD34 
MD38 
MD39 
MD35 
MD40 
MD44 
MD45 
MD41 
MD48 
MD49 
MD52 
MD53 
MD54 
MD50 
MD55 
MD51 
MD60 
MD56 
MD61 
MD57 
MD62 
MD58 
MD63 
MD59 
MD8 
MD9 
MD12 
MD13 
MD42 
MD43 
MD46 
MD47
DQS1  DQS_1 
DQS3  DQS_3
DQS7  DQS_7 
DQS8  DQS_8 
DQS9  DQS_9
DQS17  DQS_17
MECC[7:0]
5
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
MECC2 
MECC6 
MECC3 
MECC7 
MECC4 
MECC5 
MECC0 
MECC1
RN112 
10 8P4R
RN114 
10 8P4R
RN117 
10 8P4R
RN120 
10 8P4R
RN123 
10 8P4R
RN126 
10 8P4R
RN129 
10 8P4R
RN132 
10 8P4R
RN135 
10 8P4R
RN138 
10 8P4R
RN140 
10 8P4R
RN143 
10 8P4R
RN146 
10 8P4R
RN149 
10 8P4R
RN151 
10 8P4R
RN153 
10 8P4R
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8
MD_0 
MD_4 
MD_5 
MD_1 
MD_2 
MD_6 
MD_7 
MD_3 
MD_14 
MD_15 
MD_10 
MD_11 
MD_20 
MD_16 
MD_17 
MD_21 
MD_18 
MD_22 
MD_19 
MD_23 
MD_24 
MD_28 
MD_25 
MD_29 
MD_26 
MD_30 
MD_27 
MD_31 
MD_32 
MD_36 
MD_33 
MD_37 
MD_34 
MD_38 
MD_39 
MD_35 
MD_40 
MD_44 
MD_45 
MD_41 
MD_48 
MD_49 
MD_52 
MD_53 
MD_54 
MD_50 
MD_55 
MD_51 
MD_60 
MD_56 
MD_61 
MD_57 
MD_62 
MD_58 
MD_63 
MD_59 
MD_8 
MD_9 
MD_12 
MD_13 
MD_42 
MD_43 
MD_46 
MD_47
DQS_0
DQS_5
DQS_10
MECC_2 
MECC_6 
MECC_3 
MECC_7 
MECC_4 
MECC_5 
MECC_0 
MECC_1
MD_0 
MD_4 
MD_5 
MD_1 
DQS_0 
DQS_9 
MD_2 
MD_6 
CKE1 
MD_14 
MD_10 
MD_15 
MD_11 
MD_20 
MD_16 
MD_17 
CKE0 
MAB12 
MAA12 
MAB11 
MAA11 
MD_21 
MAA9 
MAB9 
MD_30 
MAA3 
MD_27 
MAB2 
MAB4 
MAA4 
MAB3 
MD_26 
MD_33 
MD_37 
DQS_4 
DQS_13 
MD_34 
MD_38 
MEMBAB0 
MD_39 
MD_46 
MD_47 
MD_48 
MD_49
-CS1
-SCASB
-CS2
-CS3 
MD_55 
MD_51 
MD_60 
MD_56 
DQS_15 
DQS_6 
MD_54 
MD_50 
MD_62 
MD_58 
MD_63 
MD_59 
MD_61 
MD_57 
DQS_16 
DQS_7 
MECC_7 
MEMBAB1 
MD_32 
MD_36 
MECC_2 
MECC_6 
MECC_3 
MEMBAA1 
MD_12 
MD_13 
DQS_1 
DQS_10
-CS0
-SWEB 
MD_41
-SCASA 
DQS_8 
DQS_2 
DQS_11 
MD_18 
MD_22 
MD_52 
MD_53 
MAB13 
MAA13 
DQS_17
RN161 
10 8P4R
RN162 
10 8P4R
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
7  8 
5  6 
3  4 
1  2 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8
R404 47
1  2 
3  4 
5  6 
7  8 
1  2 
3  4 
5  6 
7  8
R407 47
MECC_[7:0] 13,14
+1.25VTT
RN113 
47 8P4R
RN115 
47 8P4R
RN118 
47 8P4R
RN121 
47 8P4R
RN124 
47 8P4R
RN127 
47 8P4R
RN130 
47 8P4R
RN133 
47 8P4R
RN136 
47 8P4R
RN139 
47 8P4R
RN141 
47 8P4R
RN144 
47 8P4R
RN147 
47 8P4R
RN150 
47 8P4R
RN152 
47 8P4R
RN154 
47 8P4R
RN155 
47 8P4R
RN156 
47 8P4R
RN157 
47 8P4R
RN158 
47 8P4R
RN159 
47 8P4R
RN160 
47 8P4R
4
DDR Termination
+1.25VTT
MECC_5
1  2
MAA1
3  4
MECC_0
5  6
MECC_1
7  8
MAB7
1  2
MAA7
3  4
MAB8
5  6
MAA8
7  8
MD_24
1  2
MD_28
3  4
MAB6
5  6
MAA6
7  8
MD_7
1  2
MD_3
3  4
MD_9
5  6
MD_8
7  8
MD_31
1  2
MAA2
3  4
MECC_4
5  6
MAB1
7  8
MD_25
1  2
MD_29
3  4
DQS_3
5  6
DQS_12
7  8
MD_19
1  2
MD_23
3  4
MAB5
5  6
MAA5
7  8
DQS_5
1  2
DQS_14
3  4
MD_42
5  6
MD_43
7  8
MAA0
1  2
MAA10
3  4
MAB0
5  6
MAB10
7  8
MEMBAA0
1  2
MD_35
3  4
MD_40
5  6
-SRASA
7  8
MD_44
1  2
-SRASB
3  4
-SWEA
5  6
MD_45
7  8
+1.25VTT
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
LAYOUT: Add 100pF 
and 1000pF VTT fill near 
Clawhammer and near 
DIMMs (Both Sides)
+1.25VTT
C576 0.1UF 25V Y5V /NI
LAYOUT: Place one 10uF 
capacitor on each end of 
the VTT island
RN116 
47 8P4R
RN119 
47 8P4R
RN122 
47 8P4R
RN125 
47 8P4R
RN128 
47 8P4R
RN131 
47 8P4R
RN134 
47 8P4R
RN137 
47 8P4R
RN142 
47 8P4R
RN145 
47 8P4R
RN148 
47 8P4R
LAYOUT: Place alternating caps to GND and 
+2.5VDIMM in a single line along VTT island. 
LAYOUT: Place a cap every 1 inch on VTT 
trace between Clawhammer and DDR.
+2.5VDIMM
LAYOUT: Place on backside, evenly spaced around 
VTT fill.
2
+1.25VTT
C555 0.1UF 25V Y5V
+2.5VDIMM
CT43 
1000UF 6.3V 8X12
1000UF 6.3V 8X12
3
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
MAB2 
MAA2 
MAB1 
MAA1 
MAB5 
MAA5 
MAB6 
MAA6 
MAB11 
MAA11 
MAA9 
MAB9 
MAA0 
MAA10 
MAB0 
MAB10 
MAB4 
MAA4 
MAB3 
MAA3 
MAB7 
MAA7 
MAB8
MAA8 
MEMBAA1 
MEMBAB1 
MEMBAB0 
MEMBAA0
-CS1
-CS3 
MAB13 
MAA13
-SRASA
-SRASB
-SWEA
-SWEB
-CS0
-SCASA
-SCASB
-CS2
CKE1 
CKE0 
MAB12 
MAA12
MD[63:0]
DQS[17:0]
MD_[63:0]
DQS_[17:0]
MAA[13:0]
MAB[13:0]
MEMBAA1
-CS1
-CS3
-SRASA
-SRASB
-SWEA
-SWEB
-CS0
-SCASA
-SCASB
-CS2
+1.25VTT
C540 0.1UF 25V Y5V /NI
C544 0.1UF 25V Y5V /NI
C550 0.1UF 25V Y5V
C557 0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
R408 120 
R409 120 
R410 120 
R411 120 
R412 120 
R413 120
DCLK7+  8,13 
DCLK6+  8,14 
DCLK5+  8,13 
DCLK4+  8,14 
DCLK1+  8,14 
DCLK0+  8,13
DCLK7-
+2.5VDIMM
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
+1.25VTT
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
+2.5VDIMM
Title
DDR TERMINATION
Size Document Number  Rev
Custom
Date:  Sheet  of
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
0.1UF 25V Y5V
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
+1.25VTT
+1.25VTT
NF44X-A7
1
1.2
15  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 16
5
4
3
2
1
BGA  U11A 
AG30 
AF30 
AE29 
AD27 
AC29 
AB30 
AA30 
AA28 
AE26 
AD26 
AC24 
AC26 
AB26
Y22 
Y24 
Y26
AG29 
AF29 
AE28 
AD28 
AB28 
AB29 
AA29 
AA27 
AF26 
AD25 
AD24 
AC25 
AB25 
AA22
Y23 
Y25
AC27 
AC28 
AB24 
AB23
Y28
W27
M22 
N22
AF27 
AF28
AK5 
AJ4 
AK4 
AE3 
AD3
AG28
AG27
SEC 1 OF 7
CK804
HT_UP[15..0]
HT_UP*[15..0]
R257
10K
5%
HT_UP[15..0] 7
HT_UP*[15..0] 7
HT_UPCLK0 7 
HT_UPCLK0* 7 
HT_UPCLK1 7 
HT_UPCLK1* 7
HT_UPCNTL 7 
HT_UPCNTL* 7
CPU_CLK 9 
CPU_CLK* 9
CPU_PWRGD9 
CPU_RST* 9 
CPU_THERMTRIP*9
1  2
1  2
5%
R276 10K
+3.3V
R274
10K
0603
5%
HT_UP0
N27
HT_UP1
N29
HT_UP2
P29
HT_UP3
P28
HT_UP4
T28
HT_UP5
U28
HT_UP6
U30
HT_UP7
V29
HT_UP8
P25
HT_UP9
P26
HT_UP10
P22
HT_UP11
T25
HT_UP12
U22
HT_UP13
V26
HT_UP14
V24
HT_UP15
V22
HT_UP*0
N28
HT_UP*1
N30
HT_UP*2
P30
HT_UP*3
R29
HT_UP*4
U27
HT_UP*5
U29
HT_UP*6
V30
HT_UP*7
V28
HT_UP*8
P24
HT_UP*9
N26
HT_UP*10
P23
HT_UP*11
T26
HT_UP*12
T22
HT_UP*13
U26
HT_UP*14
V25
HT_UP*15
V23
CPU_COMP
CK8_TCK 
CK8_TDI
CK8_TMS 
CK8_TRST*
HT_UPCLK0 
HT_UPCLK0* 
HT_UPCLK1 
HT_UPCLK1*
HT_UPCNTL 
HT_UPCNTL*
CPU_CLK 
CPU_CLK*
CPU_PWRGD 
CPU_RST* 
CPU_THERMTRIP*
1  2
BR6 549 1%
1  2
1  2
0603
R239
10K
R28 
R27 
T23 
T24
W29 
W28
L28 
L29
L27 
M26 
M28 
AF25 
M25
AD5 
AC6 
AB6 
AC3 
AC5
+3.3V
1  2
+2.5VDIMM
BR8 
10K
5% 
0603
HT_DWN[15..0]
HT_DWN*[15..0]
HT_DWNCLK0
HT_DWNCNTL
HT_STOP*
CPU_VREGPWRGD
1  2
R194 
150 1%
HT_VLD
HTVDD_EN
1  2
L10
BEAD 60 0805 1A /NI
1  2
0
HT_DWN0
1
HT_DWN1
2
HT_DWN2
3
HT_DWN3
4
HT_DWN4
5 
6
HT_DWN6
7
HT_DWN7
8
HT_DWN8
9
HT_DWN9
10 
11
HT_DWN11
12
HT_DWN12
13
HT_DWN13
14
HT_DWN14
15
HT_DWN15
0
HT_DWN*0
1
HT_DWN*1
2
HT_DWN*2
3
HT_DWN*3
4
HT_DWN*4
5
HT_DWN*5
6
HT_DWN*6
7
HT_DWN*7
8
HT_DWN*8
9
HT_DWN*9
10
HT_DWN*10
11
HT_DWN*11
12
HT_DWN*12
13
HT_DWN*13
14
HT_DWN*14
15
HT_DWN*15
HT_DWNCLK0 
HT_DWNCLK0* 
HT_DWNCLK1 
HT_DWNCLK1*
HT_DWNCNTL 
HT_DWNCNTL*
HT_REQ* 
HT_STOP*
R193 49.9 1%
HT_VLD 
CPU_VREGPWRGD
HTVDD_EN 
VCORE_EN
HT_COMP1 
HT_COMP2
Q38 
NDS351N SOT23 /NI
3.3V_PLL_HT
1
C313
1206 
Y5V 
10V 
+80/-20%
1
C302
1206 
Y5V 
10V 
+80/-20%
HT_DWN[15..0]
HT_DWN*[15..0]
1
C314 
1UF 10V Y5V
0603 
X7R 
25V 
5%
3.3V_PLL_CPU
1
C310
1UF 10V Y5V
0603 
X7R 
25V 
5%
D  D
R29 
330 1% /NI
R36 
649 1% /NI
+12V
0.1UF 25V Y5V /NI
8
5
+
6
-
U1B 
LM358 SO8
100UF 16V 5X11 2mm /NI
+3.3V
+3.3V
7
1
1
C411
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
C295
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
C30
C312
R206
0 0805
1  2
R202
0 0805
1  2
+5V
D
G
+
1UF 16V 0805 Y5V
1UF 16V 0805 Y5V
+5V_STBY
C  C
B  B
A  A
Title
CK804 1 - HT / PWR SEQ.
Size Document Number  Rev
5
4
I101
3
2
Custom
Date:  Sheet  of
NF44X-A7
16  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 17
5
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2
1
BGA  U11B 
PE_RESET*
1
BC28
0.1UF 25V Y5V
PE0_IN[15..0]
PE0_IN*[15..0]
PE0_PRSNT*
PE1_IN 
PE1_IN*
PE1_PRSNT*
PE2_IN 
PE2_IN*
PE2_PRSNT*
PE3_PRSNT*
PE_RESET*
1.5V_PLL_PE
PE0_IN0
H18
PE0_IN1
F18
PE0_IN2
J18
PE0_IN3
H16
PE0_IN4
E16
PE0_IN5  PE0_OUT5
D14
PE0_IN6
J16
PE0_IN7
H14
PE0_IN8
E13
PE0_IN9
H12
PE0_IN10
E12
PE0_IN11
J11
PE0_IN12
D10
PE0_IN13
H10
PE0_IN14
F10
PE0_IN15
E8
PE0_IN*0
G18
PE0_IN*1
E17
PE0_IN*2
J17
PE0_IN*3
G16
PE0_IN*4
F16
PE0_IN*5
E14
PE0_IN*6
J15
PE0_IN*7
G14
PE0_IN*8
F14
PE0_IN*9
G12
PE0_IN*10
F12
PE0_IN*11
J10
PE0_IN*12
E10
PE0_IN*13
G10
E9
PE0_IN*15
F8
D22
D18 
E18
G22
F20
E20
F22
H20 
G20
E21
K19
J19
E22 
E23
A27 
A28
PE0_IN[15..0]
D  D
PE0_IN*[15..0]
C  C
PE0_PRSNT*
PE1_IN
PE1_PRSNT*
PE2_IN
PE2_PRSNT*
PE3_PRSNT*
+1.5V
PE_WAKE*
1
BC23
0.1UF 25V Y5V /NI
+3.3V_DUAL
BR1
0 0805
1  2
1UF 16V 0805 Y5V
R211 
10K
1  2
1
1
BC27
BC26
0.1UF 25V Y5V /NI
B  B
PE_WAKE*
+1.5V
A  A
10UF 10V 0805 Y5V
1
1
1
BC25
C235
C299
0.1UF 25V Y5V /NI
0.1UF 25V Y5V
B28
A26
PE0_RX0 
PE0_RX1 
PE0_RX2 
PE0_RX3 
PE0_RX4 
PE0_RX5 
PE0_RX6 
PE0_RX7 
PE0_RX8 
PE0_RX9 
PE0_RX10 
PE0_RX11 
PE0_RX12 
PE0_RX13 
PE0_RX14 
PE0_RX15
PE0_RX0* 
PE0_RX1* 
PE0_RX2* 
PE0_RX3* 
PE0_RX4* 
PE0_RX5* 
PE0_RX6* 
PE0_RX7* 
PE0_RX8* 
PE0_RX9* 
PE0_RX10* 
PE0_RX11* 
PE0_RX12* 
PE0_RX13* 
PE0_RX14* 
PE0_RX15*
PE0_PRSNT*
PE1_RX 
PE1_RX*
PE1_PRSNT*
PE2_RX 
PE2_RX*
PE2_PRSNT*
PE3_RX 
PE3_RX*
PE3_PRSNT*
PE4_RX 
PE4_RX*
PE_RST* 
PE_WAKE*
+1.5V_PLL_PE_AVDD 
+1.5V_PLL_PE_DVDD
+1.5V_PLL_PE_CORE
GND_PLL_PE
SEC 2 OF 7
CK804
PE0_TX0 
PE0_TX1 
PE0_TX2 
PE0_TX3 
PE0_TX4 
PE0_TX5 
PE0_TX6 
PE0_TX7 
PE0_TX8
PE0_TX9 
PE0_TX10 
PE0_TX11 
PE0_TX12 
PE0_TX13 
PE0_TX14 
PE0_TX15
PE0_TX0* 
PE0_TX1* 
PE0_TX2* 
PE0_TX3* 
PE0_TX4* 
PE0_TX5* 
PE0_TX6* 
PE0_TX7* 
PE0_TX8* 
PE0_TX9*
PE0_TX10* 
PE0_TX11* 
PE0_TX12* 
PE0_TX13* 
PE0_TX14* 
PE0_TX15*
PE0_REFCLK 
PE0_REFCLK*
PE1_TX
PE1_TX*
PE1_REFCLK 
PE1_REFCLK*
PE2_TX
PE2_TX*
PE2_REFCLK 
PE2_REFCLK*
PE3_TX
PE3_TX*
PE3_REFCLK 
PE3_REFCLK*
PE4_TX
PE4_TX*
PE_REFCLKIN 
PE_REFCLKIN*
PE_CLK_TEST 
PE_CLK_TEST*
PECLK_COMP_GND
+3.3V_PLL_PE_CORE
A18
PE_TX1
A17
PE_TX2
C17
PE_TX3
C16
PE_TX4
C15
PE_TX5
C14
PE_TX6
A14
PE_TX7
B13
PE_TX8
D13
PE_TX9  PE0_OUT9
D11
PE_TX10
B11
PE_TX11
B10
PE_TX12
B9
PE_TX13
C9
PE_TX14
C8
PE_TX15
C7
PE_TX0*
B18
PE_TX1*
B17
PE_TX2*
D17
PE_TX3*
D15
PE_TX4*
B15
PE_TX5*
B14
PE_TX6*
A13
PE_TX7*
C13
PE_TX8*
C12 
C11
PE_TX10*
C10
PE_TX11*
A10
PE_TX12*
A9
PE_TX13*
D9
PE_TX14*
D8
PE_TX15*
B7
PE0CLK_R
B19
PE0CLK_R*
C18
PE1_TX
D19
PE1_TX*
C19
PE1CLK_R
D21
PE1CLK_R*
C20 
B21
PE2_TX*
C21
PE2CLK_R
C24
PE2CLK_R*
D23 
C22
B22 
C23
B23
A22 
A21
A25 
B25
C25 
D24
PE_COMP
E24
+3.3V_PLL_PE_CORE
B26
1
C316 
1UF 10V Y5V
0.1UF 25V Y5V
C290
0.1UF 25V Y5V
C278
0.1UF 25V Y5V
C273
0.1UF 25V Y5V
C2670.1UF 25V Y5V
C261
0.1UF 25V Y5V
C283
0.1UF 25V Y5V
C289
0.1UF 25V Y5V
C277
0.1UF 25V Y5V
C274
0.1UF 25V Y5V
C268
0.1UF 25V Y5V
C262
0.1UF 25V Y5V
1  2 
1  2
R223  33
1  2 
1  2
R219  33
1  2 
1  2
R213  33
R208
1  2
499 1%
1
1
1
1
1
1
1
1
1
1
1
1
1
C315 
1UF 16V 0805 Y5V
C282
0.1UF 25V Y5V
C288
0.1UF 25V Y5V
C276
0.1UF 25V Y5V
C271
0.1UF 25V Y5V
C265
0.1UF 25V Y5V
C281
0.1UF 25V Y5V
C287
0.1UF 25V Y5V
C275
0.1UF 25V Y5V
C272
0.1UF 25V Y5V
C266
0.1UF 25V Y5V
33
33
33
1  2
500MA 0805
1
C292
1
0.1UF 25V Y5V
1
C280
1
0.1UF 25V Y5V
1
C285
1
0.1UF 25V Y5V
1
C269
1
0.1UF 25V Y5V
1
C264
1
0.1UF 25V Y5V
1
C291
1
0.1UF 25V Y5V
1
C279
1
0.1UF 25V Y5V
1
C286
1
0.1UF 25V Y5V
1
C270
1
0.1UF 25V Y5V
1
C263
1
0.1UF 25V Y5V
40.2 1%
R222  40.2 1%
40.2 1%
R218  40.2 1%
40.2 1%
R212  40.2 1%
+3.3V
R207 
0 0805
FB
1
1
1
1
1
1
C284
PE_TX0
PE0_OUT0 
PE0_OUT1 
PE0_OUT2 
PE0_OUT3 
PE0_OUT4
PE0_OUT6 
PE0_OUT7 
PE0_OUT8
PE0_OUT10 
PE0_OUT11 
PE0_OUT12 
PE0_OUT13 
PE0_OUT14 
PE0_OUT15
PE0_OUT*0 
PE0_OUT*1 
PE0_OUT*2 
PE0_OUT*3 
PE0_OUT*4 
PE0_OUT*5 
PE0_OUT*6 
PE0_OUT*7 
PE0_OUT*8 
PE0_OUT*9
I145
5
4
3
2
PE0_OUT[15..0]
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15
1
0.1UF 25V Y5V
1
0.1UF 25V Y5V
1
0.1UF 25V Y5V
1
0.1UF 25V Y5V
PE0_OUT[15..0]23
PE0_OUT*[15..0]
Title
Size Document Number  Rev
Date:  Sheet  of
PE0_OUT*[15..0]23
PE0_REFCLK 
PE0_REFCLK*
PE1_OUT 
PE1_OUT*
PE1_REFCLK 
PE1_REFCLK*
PE2_OUT
PE2_REFCLK 
PE2_REFCLK*
CK804 2 - PCI-E
Custom
PLACE 0 OHM RES AT CONNECTOR 
SHARE PAD WITH CLOCK GEN 0 OHM
PE0_REFCLK 23 
PE0_REFCLK*23
PE1_OUT 22 
PE1_OUT* 22
PE1_REFCLK 22 
PE1_REFCLK*22
PE2_OUT 22 
PE2_OUT* 22
PE2_REFCLK 22 
PE2_REFCLK*22
NF44X-A7
1
17  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 18
5
4
3
2
1
D  D
5
PCI_AD[31..0]
PCI_C/BE*[3..0]
PCI_FRAME*
PCI_RST0* 
PCI_RST1*
LPCRST_FLASH* 
LPCRST_SIO*
+3.3V
0
PCI_AD0
1
PCI_AD1
2
PCI_AD2
3
PCI_AD3
4
PCI_AD4
5
PCI_AD5
6
PCI_AD6
7
PCI_AD7
8
PCI_AD8
9
PCI_AD9
10
PCI_AD10
11
PCI_AD11
12
PCI_AD12
13
PCI_AD13
14
PCI_AD14
15
PCI_AD15
16
PCI_AD16
17
PCI_AD17
18
PCI_AD18
19
PCI_AD19
20
PCI_AD20
21
PCI_AD21
22
PCI_AD22
23
PCI_AD23
24
PCI_AD24
25
PCI_AD25
26
PCI_AD26
27
PCI_AD27
28
PCI_AD28
29
PCI_AD29
30
PCI_AD30
31
PCI_AD31
0
PCI_C/BE*0
1
PCI_C/BE*1
2
PCI_C/BE*2
3
PCI_C/BE*3
PCI_FRAME* 
PCI_IRDY* 
PCI_TRDY* 
PCI_STOP* 
PCI_DEVSEL* 
PCI_PAR 
PCI_PERR* 
PCI_SERR* 
PCI_PME* 
PCI_CLKRUN*
R243
1  2
R241
1  2
0603 5%
33
R224
1  2
5%330603
R230
1  2
R232
33
1  2
0603335%
ADD FOR EMI PLACE NEAR R210
C418
0.1UF 25V Y5V /NI
PCIRESET0
5%330603
PCIRESET1
PCIRESET3 
PCIRESET4
5%
PCI_AD[31..0]
C  C
PCI_C/BE*[3..0]
B  B
PCI_RST0*
PCIRST_IDE*
LPCRST_FLASH*
LPCRST_SIO*
A  A
U11C
BGA
H7
PCI_AD0
K7
PCI_AD1
J2
PCI_AD2
L9
PCI_AD3
J3
PCI_AD4
J5
PCI_AD5
H8
PCI_AD6
H6
PCI_AD7
K8
PCI_AD8
J4
PCI_AD9
H3
PCI_AD10
G5
PCI_AD11
G6
PCI_AD12
G7
PCI_AD13
H4
PCI_AD14
G3
PCI_AD15
C2
PCI_AD16
C1
PCI_AD17
D2
PCI_AD18
C3
PCI_AD19
B2
PCI_AD20
D3
PCI_AD21
E3
PCI_AD22
E4
PCI_AD23
B4
PCI_AD24
A3
PCI_AD25
A4
PCI_AD26
B3
PCI_AD27
C4
PCI_AD28
C5
PCI_AD29
A5
PCI_AD30
D5
PCI_AD31
J1
PCI_CBE0*
G2
PCI_CBE1*
F3
PCI_CBE2*
D4
PCI_CBE3*
F4
PCI_FRAME*
D1
PCI_IRDY*
E2
PCI_TRDY*
F2
PCI_STOP*
E1
PCI_DEVSEL*
G4
PCI_PAR
F5
PCI_PERR*
F6
PCI_SERR*/GPIO
P6
PCI_PME*/GPIO
N4
PCI_CLKRUN*/GPIO
N2
PCI_RESET0*
N1
PCI_RESET1*
N3
PCI_RESET2*
AF16
PCI_RESET3*
AE7
LPC_RESET*
SEC 3 OF 7
CK804
PCI_REQ0*/GPIO 
PCI_REQ1*/GPIO 
PCI_REQ2*/GPIO 
PCI_REQ3*/GPIO 
PCI_REQ4*/GPIO
PCI_GNT0*/GPIO 
PCI_GNT1*/GPIO 
PCI_GNT2*/GPIO 
PCI_GNT3*/GPIO 
PCI_GNT4*/GPIO
PCI_INTW*
PCI_INTX* 
PCI_INTY* 
PCI_INTZ*
PCI_CLK0 
PCI_CLK1 
PCI_CLK2 
PCI_CLK3 
PCI_CLK4 
PCI_CLK5
PCI_CLKFB
LPC_AD0 
LPC_AD1 
LPC_AD2 
LPC_AD3
LPC_FRAME*
LPC_DRQ0*
LPC_CS*/DRQ1*
SERIRQ
LPC_PWRDWN*/GPIO
LPC_CLK0
LPC_CLK1
I99
4
3
PCI_REQ*0
N5
PCI_REQ*1
N9
PCI_REQ*2
M9
PCI_REQ*3
M8
PCI_REQ*4
P5
PCI_GNT*0
M7
PCI_GNT*1
M6
PCI_GNT*2
M5
PCI_GNT*3
K4 
P7
B5 
E6 
E5 
D6
K3 
L2 
K2 
K5 
L3
PCLK_5
L4
PCI_CLKFB
M3
EMPTY
1
C352
22P 50V NPO
0603 
NPO 
25V 
5%
LPC_AD0
AF9
LPC_AD1
AE10
LPC_AD2
AD10
LPC_AD3
AC10
AC8 
AF7
LPCCS
AH8 
AD8
AE8
LPC_CLK0
AB10
LPC_CLK1
AB11
EMPTY
1
C348 
10P 50V NPO /NI
0603 
NPO 
25V 
5%
1  2
22P 50V NPO
0 
1 
2 
3
1  2
EMPTY
1
C355 
10P 50V NPO /NI
0603 
NPO 
25V 
5%
0 
1 
2 
3 
4
0 
1 
2
4
PCI_INTW* 
PCI_INTX* 
PCI_INTY* 
PCI_INTZ*
R266
5%
1  2
22
EMPTY
1
C353
22P 50V NPO
0603 
NPO 
25V 
5%
LPC_AD[3..0]
R259
5%
22
1  2
PCI_REQ*[4..0]
PCI_GNT*[4..0]
R267
1
C351
0603 
NPO 
25V 
5%
PCI_REQ*[4..0]24,25,26
EMPTY
R240
R249
1  2
1  2
0603
0603 5%
8.2K
PCI_GNT*[4..0]24,25
PCI_INTW* 24,25,26 
PCI_INTX* 24,25,26 
PCI_INTY* 24,25,26 
PCI_INTZ* 24,25,26
R265
5%
1  2
22
0603 5%
1  2
R264
22
0603 5%
EMPTY
LPC_AD[3..0] 29,32
EMPTY
1
C354
22P 50V NPO
0603 
NPO 
25V 
5%
+3.3V  +3.3V  +3.3V
R229
8.2K /NI
5% 
0603
1  2
PCI_CLKSIO
R245
PCI_CLKLPC
0603225%
2
+3.3V
5%
8.2K /NI
22
1  2
R268
5%
22
R227
8.2K
5% 
0603
1  2
PEX REFCLKIN FREQ
0 = 100MHZ 
1 = 200MHZ
PCI_CLK0 
PCI_CLK1 
PCI_CLK2 
PCI_CLK3
COMMON MODE LEVEL 
PEX REFCLK 
1 = COMMON MODE ABOVE VDD/2 
0 = *COMMON MODE BELOW VDD/2
R247
R238
8.2K /NI
8.2K
5%
5%
0603
0603
1  2
1  2
LPC_FRAME* 
LPC_DRQ0*
LPC_SERIRQ
PCI_CLKSIO 29
PCI_CLKLPC 32
Title
CK804 3 - PCI / CLK / RST
Size Document Number  Rev
Custom
Date:  Sheet  of
NF44X-A7
PCI_CLK0 24 
PCI_CLK1 24 
PCI_CLK2 25 
PCI_CLK3 25
LPC_FRAME* 29,32 
LPC_DRQ0* 29
LPC_SERIRQ 29
18  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 19
H1 
1
SP_TX0P
2
SP_TX0M
3 
4
SP_RX0M
5
SP_RX0P
6 
7 
H2
H1 
1
SP_TX2P
2
SP_TX2M
3 
4
SP_RX2M
5
SP_RX2P
6 
7 
H2
U12
AZ1117H-ADJ SOT-223
5
JSATA1
SATA CONNECTOR
JSATA3
SATA CONNECTOR
I 
O 
A
R226 
1K 1%
1% 
0603
1  2
R228 
226 1%
1  2
5
H1 
1
SP_TX1P
2
SP_TX1M
3 
4
SP_RX1M
5
SP_RX1P
6 
7 
H2
H1 
1
SP_TX3P
2
SP_TX3M
3 
4
SP_RX3M
5
SP_RX3P
6 
7 
H2
PLACE VREG CLOSE 
TO CK804 PLL BALLS
+1.5V_SP_PLLPWR
1
C336
100UF 16V 5X11 2mm /NI
+3.3V
SATA_HDLED*
1
C329 
1UF 16V 0805 Y5V
0603 
Y5V 
16V 
+80/-20%
1
C323
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
PLACE CAPS AT CONN
PLACE CAPS AT CONN
PLACE CAPS AT CONN
PLACE CAPS AT CONN
10UF 10V 0805 Y5V /NI
R225
0 0805
1  2
JSATA2
D  D
SATA CONNECTOR
JSATA4
C  C
SATA CONNECTOR
+3.3V
1
C324 
1UF 16V 0805 Y5V
0603 
Y5V 
16V 
+80/-20%
B  B
A  A
4
SP_TX3P 
SP_TX3M
SP_RX3P
C400
0.01UF 50V X7R
C406
0.01UF 50V X7R
C397
0.01UF 50V X7R
C408
0.01UF 50V X7R
C405
0.01UF 50V X7R
C415
0.01UF 50V X7R
1
0402 
X7R 
16V 
10%
1
0402 
X7R 
16V 
10%
1
0402 
X7R 
16V 
10%
1
0402 
X7R 
16V 
10%
1
0402 
X7R 
16V 
10%
1
0402 
X7R 
16V 
10%
C395
0.01UF 50V X7R
C402
0.01UF 50V X7R
C401
SP_TX0M_C  IDE_PDD1
1
0402 
X7R
0.01UF 50V X7R
16V 
10%
SP_RX0M_C
C407
SP_RX0P_C
1
0402 
X7R
0.01UF 50V X7R
16V 
10%
SP_TX1P_C
C398
SP_TX1M_C
1
0402 
X7R
0.01UF 50V X7R
16V 
10%
SP_RX1M_C
C409
SP_RX1P_C
1
0402 
X7R
0.01UF 50V X7R
16V 
10%
SP_TX2P_C
C414
SP_TX2M_C
1
0402 
X7R
0.01UF 50V X7R
16V
SP_RX2M_C
10%
C416
SP_RX2P_C
1
0402 
X7R
0.01UF 50V X7R
16V 
10%
1
C396
0402 
X7R
1
0402
16V
X7R
10%
0.01UF 50V X7R
16V 
10%
1
C404
0402 
X7R
1
0402
16V
X7R
10%
0.01UF 50V X7R
16V 
10%
SP_TX0P  SP_TX0P_C 
SP_TX0M
SP_RX0M 
SP_RX0P
SP_TX1P 
SP_TX1M
SP_RX1M 
SP_RX1P
SP_TX2P 
SP_TX2M
SP_RX2M 
SP_RX2P
SATA_HDLED*
C326 
1UF 10V Y5V
0603 
X7R 
25V 
5%
1  2 
1
1  2
22P 50V NPO
BR4
2.49K 1%
1% 
0603
1206 
Y5V 
10V 
+80/-20%
C344
SP_TERMP 
SP_TERMN
1.5V_PLL_SP
1
BC44
1UF 10V Y5V
0603 
X7R 
16V 
10%
RTC_XTALIN
5% 
100V 
0603 
NPO
32.768KHZ 12.5PF 20PPM
0 0805
1  2
C325
0805
FB
1UF 16V 0805 Y5V
BR7
0805
1
C328
1206 
Y5V 
10V 
+80/-20%
1
BC42
0.1UF 25V Y5V /NI
0603 
X7R 
25V 
5%
FB
BC47
1UF 16V 0805 Y5V
1
1
C337
0.1UF 25V Y5V
1206
0603
Y5V
X7R
10V
16V
+80/-20%
10%
3.3V_PLL_SP_CORE
1
C327
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
4
1
SP_TX3P_C 
SP_TX3M_C
SP_RX3M_C
1
BC45
0.1UF 25V Y5V
0603 
X7R 
25V 
5%
RTC_XTALOUT
X3
1
3
U11D
BGA
AK9
AJ9
AJ10
AH10
AJ11
AH11 
AG11
AH12
AG13 
AH13
AK13
AJ13
AJ14
AH14
AJ15
AH15
AA14 
AD14
AE14
AF14
AG14
AF13
AC14 
AB14
AG12
AF12
AE12
AD13
AF11
AF5 
AG4
SP_TXP0 
SP_TXN0
SP_RXN0 
SP_RXP0
SP_TXP1 
SP_TXN1
SP_RXN1 
SP_RXP1
SP_TXP2 
SP_TXN2
SP_RXN2 
SP_RXP2
SP_TXP3 
SP_TXN3
SP_RXN3 
SP_RXP3
SP_LED*/GPIO
SP_REFCLKN 
SP_REFCLKP 
SP_TSTCLKN 
SP_TSTCLKP
SP_ATEST
SP_TERMP 
SP_TERMN
+1.5V_PLL_SP_DVDD 
+1.5V_PLL_SP_AVDD
+1.5V_PLL_SP_CORE
+3.3V_PLL_SP_CORE
GND_PLL_SP
XTALIN_RTC 
XTALOUT_RTC
SEC 4 OF 7
CK804
IDE_DATA_P0 
IDE_DATA_P1 
IDE_DATA_P2 
IDE_DATA_P3 
IDE_DATA_P4 
IDE_DATA_P5 
IDE_DATA_P6 
IDE_DATA_P7 
IDE_DATA_P8
IDE_DATA_P9 
IDE_DATA_P10 
IDE_DATA_P11 
IDE_DATA_P12 
IDE_DATA_P13 
IDE_DATA_P14 
IDE_DATA_P15
IDE_ADDR_P0
IDE_ADDR_P1
IDE_ADDR_P2
IDE_CS1_P* 
IDE_CS3_P*
IDE_DACK_P*
IDE_IOW_P* 
IDE_INTR_P
IDE_DREQ_P
IDE_IOR_P* 
IDE_RDY_P
CBL_DET_P
IDE_DATA_S0
IDE_DATA_S1
IDE_DATA_S2
IDE_DATA_S3
IDE_DATA_S4
IDE_DATA_S5
IDE_DATA_S6
IDE_DATA_S7
IDE_DATA_S8
IDE_DATA_S9 
IDE_DATA_S10 
IDE_DATA_S11 
IDE_DATA_S12 
IDE_DATA_S13 
IDE_DATA_S14 
IDE_DATA_S15
IDE_ADDR_S0
IDE_ADDR_S1
IDE_ADDR_S2
IDE_CS1_S* 
IDE_CS3_S*
IDE_DACK_S*
IDE_IOW_S* 
IDE_INTR_S
IDE_DREQ_S
IDE_IOR_S* 
IDE_RDY_S
CBL_DET_S
IDE_COMP_3P3V 
IDE_COMP_GND
XTALIN
XTALOUT
AE20 
AA17 
AB18 
AD18 
AE18 
AJ17 
AG17 
AD17 
AB17 
AH17 
AK17 
AF18 
AC18 
AG18 
AF20 
AD20
AH20 
AH19 
AG21
AH21 
AJ21 
AH18 
AB20 
AJ19 
AC20 
AA19 
AJ18 
AG19
AG24 
AG23 
AJ23 
AJ22 
AF22 
AB21 
AF21 
AK21 
AG22 
AD22 
AE22 
AC22 
AH22 
AH23 
AH24 
AF24
AJ28 
AJ27 
AH26
AG26 
AH27 
AK26 
AE24 
AJ26 
AF23 
AH25 
AJ25 
AK28
AD16 
AE16
AJ29 
AH29
I85
C346 
22P 50V NPO
1
5% 
100V 
0603 
NPO
3
IDE_PDD0 
IDE_PDD2
IDE_PDD3 
IDE_PDD4 
IDE_PDD5 
IDE_PDD6 
IDE_PDD7 
IDE_PDD8 
IDE_PDD9 
IDE_PDD10 
IDE_PDD11 
IDE_PDD12 
IDE_PDD13 
IDE_PDD14 
IDE_PDD15
IDE_SDD0 
IDE_SDD1 
IDE_SDD2 
IDE_SDD3 
IDE_SDD4 
IDE_SDD5 
IDE_SDD6 
IDE_SDD7 
IDE_SDD8 
IDE_SDD9 
IDE_SDD10 
IDE_SDD11 
IDE_SDD12 
IDE_SDD13 
IDE_SDD14 
IDE_SDD15
IDE_ADDR_S0 
IDE_ADDR_S1 
IDE_ADDR_S2
IDE_CS1_S* 
IDE_CS3_S* 
IDE_DACK_S* 
IDE_IOW_S* 
IDE_INTR_S 
IDE_DREQ_S 
IDE_IOR_S* 
IDE_IORDY_S 
CBLE_DET_S
XTALIN 
XTALOUT
2
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15
IDE_ADDR_P0 
IDE_ADDR_P1 
IDE_ADDR_P2
IDE_CS1_P* 
IDE_CS3_P* 
IDE_DACK_P* 
IDE_IOW_P* 
IDE_INTR_P 
IDE_DREQ_P 
IDE_IOR_P* 
IDE_IORDY_P 
CBLE_DET_P
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15
IDE_COMP_3P3V 
IDE_COMP_GND
2
IDE_PDD[15..0]
IDE_SDD[15..0]
1
IDE_PDD[15..0]31
IDE_ADDR_P031 
IDE_ADDR_P131 
IDE_ADDR_P231
IDE_CS1_P* 31 
IDE_CS3_P* 31 
IDE_DACK_P*31 
IDE_IOW_P* 31 
IDE_INTR_P 31 
IDE_DREQ_P 31 
IDE_IOR_P* 31 
IDE_IORDY_P 31 
CBLE_DET_P 31
IDE_SDD[15..0]31
IDE_ADDR_S031 
IDE_ADDR_S131 
IDE_ADDR_S231
IDE_CS1_S* 31 
IDE_CS3_S* 31 
IDE_DACK_S*31 
IDE_IOW_S* 31 
IDE_INTR_S 31 
IDE_DREQ_S 31 
IDE_IOR_S* 31 
IDE_IORDY_S 31 
CBLE_DET_S 31
+3.3V
BR3 
120
1% 
0603
1  2
1
BR5
25MHZ 20PF 30PPM
X2
1
50PPM
I70 18PF
1
1
C296
C297
22P 50V NPO
22P 50V NPO
0603
0603
NPO
NPO
50V
50V
5%
5%
Title
CK804 4 - SATA / PATA
Size Document Number  Rev
Custom
Date:  Sheet  of
120
1% 
0603
NF44X-A7
1
19  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 20
5
4
3
2
1
+3.3V_DUAL
1
R200
RGMII_TXD[3..0]
1K 1%
1% 
0603
C298
1  2
D  D
AC_SDOUT
C  C
AC_RST*
0.1UF 25V Y5V
AC_SDOUT
AC_RST* 
AC_SYNC
0603
RGMII_TXCLK
R201 
1K 1%
1% 
0603
RGMII_RXD[3..0]
1  2
RGMII_RXCLK
BR10 
10K /NI
5% 
0603
1  2
R279 
10K
5% 
0603
1  2
B  B
A  A
R237
1  2
0603 5%
1M
INTRUDER*
CLEAR CMOS CONTROL
NORMAL
CLEAR CMOS
PULL BATT TO CLR TIME
JCI1
HEADER 1X2
1-2
2-3
JCMOS1
R329 
51K
RTC_R
1
1
2
2
3
3
THR 
I218
RGMII_TXD0 
RGMII_TXD1 
RGMII_TXD2
RGMII_TXD3 
RGMII_TXCLK 
RGMII_TXCTL
RGMII_RXD0 
RGMII_RXD1 
RGMII_RXD2
RGMII_RXD3 
RGMII_RXCLK 
RGMII_RXCTL 
RGMII_MDC
MII_RXER
+3.3V
MII_CRS
GPIO_11
RGMII_25MHZ
R275
AC97CLK
10K
5%
AC_BITCLK
0603
1  2
AC_SDIN_0
1 = 24MHZ 
0 = *14.318MHZ
VBAT
VBAT  29,37,38
RGMII_RESET*
FLASH_RECOVERY*
1  2
+3.3V_DUAL
RTC_RST*
+3.3V
1  2
1
BC50
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
1  2
RGMII_VREF 
MII_RXER 
MII_COL 
RGMII_MDIO 
MII_CRS
RGMII_25MHZ
AC97CLK 
AC_BITCLK
SPDIF 0
SIO CLK
RGMII_RESET* 
FLASH_RECOVERY*
1  2
L11 
BEAD 60 0805 1A 
FB
1UF 16V 0805 Y5V
7  8 
5  6 
3  4 
1  2
R186
5%
1  2
22
TP /NI
1  2
1  2
1  2
0603
R236
10K
1  2
1
C356
1206 
Y5V 
10V 
+80/-20%
RN81
TP14
R269
22 8P4R
BR2
0603 5%
BR11
0603 5%
10K
R185
5%
22
22 
22
TP_AC_SDIN_1
5%
RGMII_TX0 
RGMII_TX1 
RGMII_TX2
RGMII_TX3 
RGMII_TXCLK_R 
RGMII_TXCTL_R
0
MIIPWRDWN
BUF_25_R
AC97CLK_R
H28
J27 
J28 
J29
H26
J26
G29 
E30
F29
F28 
H27 
G28 
K24
E29 
K29 
K26
J30 
K27 
K25 
K28
M24
Y6
AA5
Y8 
Y7
AB8
Y5
AA9
G/MII_TXD0 
G/MII_TXD1 
G/MII_TXD2 
G/MII_TXD3 
G/MII_TXCLK 
G_TXCTL/MII_TXEN
G/MII_RXD0 
G/MII_RXD1 
G/MII_RXD2 
G/MII_RXD3 
G/MII_RXCLK 
G_RXCTL/MII_RXDV 
G/MII_MDC
MII_VREF 
MII_RXER/GPIO 
MII_COL 
G/MII_MDIO 
MII_CRS 
MII_PWRDWN/GPIO 
MII_INTR/GPIO
BUF_25MHZ
AC97_CLK 
AC_BITCLK
AC_SDATA_OUT/GPIO 
AC_SDATA_IN0/GPIO 
AC_SDATA_IN1/GPIO
AC_RESET* 
AC_SYNC/GPIO
SEC 5 OF 7
CK804
+3.3V
R270 
10K
5% 
0603
SPDIF0
AB7
1  2
SPDIF1
1
R277 
10K
0603 
5%
SPDIF 1
(PEX PLL REF CLK)
1 = EXTERNAL 
0 = *INTERNAL
GPIO_1
GPIO_3
LID*
5%
R231
LLB*  SLP_S5*
5%
10K
3.3V_PLL_USB
1
1
C350
C359
0.1UF 25V Y5V /NI
0603
0603
X7R
X7R
16V
25V
10%
5%
1UF 10V Y5V
AC7
AG8 
AB2 
AB3 
AC2 
AB1
AE6 
AF6 
AD6 
AH6 
AE2
AH1
SPDIF0/GPIO 
SPDIF1/GPIO
GPIO_1 
GPIO_2/CPU_SLP* 
GPIO_3/CPU_CLKRUN* 
GPIO_4/SUS_STAT* 
GPIO_5/SYS_ERR*
LID*/GPIO 
SLP_DEEP* 
V3P3_DEEP 
LLB* 
RTC_RST*
+3.3V_PLL_USB
I168
SMB_MEM_SCL
SMB_MEM_SDA
5
4
3
KBRDRSTIN*/GPIO
SMB_DATA0/GPIO
SMB_DATA1/GPIO
Q44
KA
BAV99 SOT23
Q45
KA
BAV99 SOT23
U11E
BGA
USB_0 
USB_0*
USB_1 
USB_1*
USB_2 
USB_2*
USB_3 
USB_3*
USB_4 
USB_4*
USB_5 
USB_5*
USB_6 
USB_6*
USB_7 
USB_7*
USB_8 
USB_8*
USB_9 
USB_9*
USB_OC0* 
USB_OC1*/GPIO 
USB_OC2*/GPIO 
USB_OC3*/GPIO 
USB_OC4*/GPIO
USB_RBIAS
+3.3V_PLL_DUAL
A20GATE/GPIO
INTRUDER*
EXT_SMI*/GPIO
RI*/GPIO
SPKR/GPIO
PWRBTN*
SIO_PME*/GPIO
SMB_CLK0/GPIO
SMB_CLK1/GPIO
+3.3V_VBAT 
BUF_SIO_CLK 
SUSCLK/GPIO 
THERM*/GPIO
RSTBTN*
SLP_S5* 
SLP_S3*
PWRGD_SB
PWRGD
FANRPM/GPIO 
FANCTL0/GPIO 
FANCTL1/GPIO
+3.3V_DUAL
K 
A
K 
A
TEST
P2 
P3
P8 
P9
R2 
R3
T3 
R4
U3 
U4
U1 
U2
T5 
T6
T7 
T8
U5 
V6
V7 
V8
USB_BKPNL_3_2_OC*
V4
USB_BKPNL_5_4_OC*
V5
USB_FNTPNL_7_6_OC*
V3
USB_FNTPNL_1_0_OC*
V2
USB_FNTPNL_8_9_OC*
AA4
USBRBIAS
V9
3.3V_PLL_DUAL
A29
1
C305
0603 
X7R 
25V 
5%
0.01UF 50V X7R /NI
A20GATE
AG7
INTRUDER*
AK3
SLEEPBTNJ
AH5
SER_RI*
AJ3
SPEAKER
AF3
PWBTOUT-
AJ2
IO_PME*
AJ5
SIO_KBRST*
AF2
SMB_MEM_SCL
Y3
SMB_MEM_SDA
W4
SMB_SCL
W2
SMB_SDA
W3
VBAT
AH4
BUF_SIO_CLK_R
AF1 
AG5
CHIP_THERM*
AD4
FP_RESET*
AJ6 
AJ7
SLP_S3*
AH7
PWRGD_SB
AG3
CK8_PWRGD
AC4 
AA3 
AA2 
AB4
CK8_TEST
AE5
1  2
BR9
0603
1
C306
0603 
X7R 
16V 
10%
1UF 10V Y5V
R260
USB_0 
USB_0*
USB_1 
USB_1*
USB_2 
USB_2*
USB_3 
USB_3*
USB_4 
USB_4*
USB_5 
USB_5*
USB_6 
USB_6*
USB_7 
USB_7*
USB_8 
USB_8*
USB_9 
USB_9*
USB_BKPNL_3_2_OC*34 
USB_BKPNL_5_4_OC*34 
USB_FNTPNL_7_6_OC*42 
USB_FNTPNL_1_0_OC*42 
USB_FNTPNL_8_9_OC*42
1%
732 1%
L7
0 0805
1  2
1
C307 
1UF 16V 0805 Y5V
1206 
Y5V 
10V 
+80/-20%
A20GATE 29 
SLEEPBTNJ 37
SER_RI*  33 
SPEAKER 37 
PWBTOUT- 29 
IO_PME* 29 
SIO_KBRST* 29
CHIP_THERM*9,29 
FP_RESET* 37,38
SLP_S5* 40 
SLP_S3* 29 
PWRGD_SB 35 
CK8_PWRGD 35
1
5%1K0603
2
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
RN57
15K 8P4R
+3.3V_DUAL
R280
2.7K
2.7K
5%
0603
0603
1  2
BUF_SIO_CLK
1
C342
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
R244 10K
NF44X-A7
RN77 
15K 8P4R
7  8
0.1UF 25V Y5V /NI
1
1  2
3  4
5  6
7  8
1  2
3  4
5  6
7  8
RN87
1
C303
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
15K 8P4R
1  2
R258
1  2
0603225%
1
C347 
10P 50V NPO /NI
0603 
NPO 
25V 
5%
R339
2.7K
5%
0603
RN90
+2.5VDIMM
1  2
15K 8P4R
R338
2.7K
5%
0603
R285
5%
1  2
+3.3V_DUAL
FB
+3.3V
Title
CK804 5 - RGMII / USB / AC97
Size Document Number  Rev
Custom
Date:  Sheet  of
USB_0  42 
USB_0*  42
USB_1  42 
USB_1*  42
USB_2  34 
USB_2*  34
USB_3  34 
USB_3*  34
USB_4  34 
USB_4*  34
USB_5  34 
USB_5*  34
USB_6  42 
USB_6*  42
USB_7  42 
USB_7*  42
USB_8  42 
USB_8*  42
USB_9  42 
USB_9*  42
RN86 
15K 8P4R
1  2
3  4
5  6
+3.3V_STBY
BR12
4.7K
5%
0603
SLEEPBTNJ
1  2
BC53
SMB_MEM_SCL13,14 
SMB_MEM_SDA13,14 
SMB_SCL 9,22,23,24,25,38 
SMB_SDA 9,22,23,24,25,38 
VBAT  29,37,38 
BUF_SIO_CLK29
CHIP_THERM*
20  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 21
5
4
3
2
1
+5V
BC22
0.1UF 25V Y5V /NI
BC40
1UF 16V 0805 Y5V /NI
1206 
Y5V 
10V 
+80/-20%
BC49
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
CK804 DECOUPLING
1
1
BC48
BC24
0.1UF 25V Y5V /NI
1
C294
1206 
Y5V 
10V 
+80/-20%
1
1
BC39
C338
0.1UF 25V Y5V
0.1UF 25V Y5V
0603
0603
X7R
X7R
16V
16V
10%
10%
1
C345 
1UF 10V Y5V
0603 
X7R 
16V 
10%
1
C349
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
+1.2V_HT
1
BC37
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
1
0603 
X7R 
16V
BC38
10%
0.1UF 25V Y5V /NI
R235
GND
GND
AA10
+3.3V
+1.2V_HT
M14H5K6
GND
GND
GND
GND
W19
W16
R195
100
100
5%
5%
0603
0603
1  2
1  2 
1
1
C259
C341
0603
0603
X7R
X7R
16V
16V
10%
0.1UF 25V Y5V
10%
0.1UF 25V Y5V
+3.3V_DUAL
1
1
1
BC41
0603 
X7R 
10V 
5%
1UF 10V Y5V
M19
M18
M17
M16
M15
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
L24
AB22
AD11
Y27
AA26
1
1
BC52
BC51
C304
C308
0603
0603
X7R
X7R
10V
10V
5%
5%
1UF 10V Y5V
E11L7N13
GND
PE_AGND
GND
D25L5L26
100UF 16V 5X11 2mm /NI
10UF 10V 0805 Y5V
K15
K16
K17
K18E7D7B6G8G9G11
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_DGND
PE_DGND
PE_DGND
PE_DGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
G15
E15
D16
G17
J20
G19
E19
D20
G21
+1.5V
1
0.1UF 25V Y5V
1
10UF 10V 0805 Y5V
+3.3V
1
K10
K11
K12
K13
K14
PE_DGND
PE_DGND
PE_DGND
PE_DGND
PE_DGND
I95
PE_AGND
PE_AGND
PE_AGND
PE_AGND
PE_AGND
D12
J12
J13
J14
G13
+1.5V
D  D
+1.5V
BL2 
BEAD 60 0805 1A 
1  2
4000MA
FB0805
BL1 
BEAD 60 0805 1A 
1  2
0805
C  C
1UF 16V 0805 Y5V /NI
B  B
A  A
0.1UF 25V Y5V
+1.5V
BL3 
BEAD 60 0805 1A 
1  2
1
C234
0805 
X5R
6.3V 
10%
0.1UF 25V Y5V
N15
N14F7N12M4M27
GND
GND
GND
GND
GND
GND
U11F
CK804
SEC 6 OF 7
BGA
GND
GND
GND
GND
GND
GND
AB5
AD7
AK27
AK10
1.5V_PEX_A
1
1
1
W24
BC30
0402 
X7R 
10V 
10%
BC32
0603 
X7R 
16V 
10%
GND
GND
0.1UF 25V Y5V
GND
GND
GND
GND
AF10
U24
GND
GND
AC16
P10P1N10N7N24
GND
GND
AB19
0.1UF 25V Y5V /NI
1
BC46
0805 
X5R
6.3V 
10%
1UF 16V 0805 Y5V
P14
P13
P12
GND
GND
GND
GND
GND
GND
AH2
P27
AB27
1
BC29
0603 
Y5V 
16V 
+80/-20%
1UF 16V 0805 Y5V
1
BC34
0.1UF 25V Y5V
0402 
X7R 
10V 
10%
SP_1.5V_A
1
BC43
0603 
X7R 
16V 
10%
0.1UF 25V Y5V /NI
P18
P17
P16
P15
GND
GND
GND
GND
GND
GND
GND
GND
AE1
R22
AD21
AD19
1
1
BC33
BC35
0.1UF 25V Y5V /NI
0402
0402
X7R
X7R
10V
10V
10%
10%
+1.5V_DUAL
R17
R16
R15
R14
R13
R12
R21
R24
P19
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AH28
AG25
AG20
AG10
AF19
AB16
AE4
AE30
AE27
BC31
0402 
X7R 
10V 
10%
0805
FB
1
BC36
0603 
X7R 
16V 
10%
0.1UF 25V Y5V
AA24
N19
N18
N17
N16
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AK6
AA16
AH9
AA1
K30B1A2
BGA
K20
+1.5V
F25
+1.5V
D27
+1.5V
E26
+1.5V
B30
+1.5V
G24
+1.5V
D28
+1.5V
C29
+1.5V
J21
+1.5V
D30
+1.5V_PE_D
K21
+1.5V_PE_D
C30
+1.5V_PE_D
H24
+1.5V_PE_D
E27
+1.5V_PE_D
J22
+1.5V_PE_D
F26
+1.5V_PE_D
E28
+1.5V_PE_D
J24
+1.5V_PE_D
K23
+1.5V_PE_D
D29
+1.5V_PE_D
L22
+1.5V_PE_D
G25
+1.5V_PE_D
K22
+1.5V_PE_D
G26
+1.5V_PE_D
F27
+1.5V_PE_D
L21
+1.5V_PE_D
H22
+1.5V_PE_A
C28
+1.5V_PE_A
B29
+1.5V_PE_A
D26
+1.5V_PE_A
F24
+1.5V_PE_A
G23
+1.5V_PE_A
E25
+1.5V_PE_A
B27
+1.5V_PE_A
C26
+1.5V_PE_A
C27
+1.5V_PE_A
AD15
+1.5V_SP_A
AA15
+1.5V_SP_A
AB15
+1.5V_SP_A
AF15
+1.5V_SP_A
Y21
+1.5V_PLL_HT
AA12
+1.5V_SP_D
AB12
+1.5V_SP_D
AG2
+1.5V_DUAL
AG1
+1.5V_DUAL
I21
T14
T13
T12
T10R9R7R5R26
U21
R19
R18
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AF17
AK29
AK25
AK22
AK2
AK18
G27
AJ30
AJ1
AH3
U11G
SEC 7 OF 7
CK804
+3.3V_USB_DUAL 
+3.3V_USB_DUAL
U18
U17
U16
U15
U14
U13
U12T4T27J7T19
T18
T17
T16
T15
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
W13
M13
AG6
F30
AE25F1W22
W12W7K1
V27
H25
W15
M12C6AA7
GND
GND
W17
+3.3V_DUAL 
+3.3V_DUAL 
+3.3V_DUAL 
+3.3V_DUAL
SP_DGND 
SP_DGND
GND
GND
GND
GND
W26
M23
+1.2V_HT 
+1.2V_HT 
+1.2V_HT 
+1.2V_HT 
+1.2V_HT
SP_AGND 
SP_AGND 
SP_AGND 
SP_AGND 
SP_AGND 
SP_AGND
GND
GND
AD23
AH30
+5V
A6
+5V
AA20
+3.3V
AA18
+3.3V
U10
+3.3V
R10
+3.3V
J9
+3.3V
L10
+3.3V
Y10
+3.3V
W10
+3.3V
AA11
+3.3V
N21 
P21 
T21 
V21 
W21
AB9 
Y9 
P4 
M21
AF4 
T9
1UF 10V Y5V
AG15 
AH16 
AK14 
AB13 
AG16 
AA13
AD12 
AC12
M10
V19
V18
V17
V16
V15
V14
V13
V12
V10V1U9U7U19
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AF8Y4W9
AA21
W18
W14
AG9
AD9K9W5
Title
CK804 6/7 - POWER
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
21  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 22
5
4
3
2
1
D  D
SMB_SCL
PE_WAKE*
PE2_OUT
PE2_PRSNT*
C  C
SMB_SCL
PE_WAKE*
B  B
PE1_OUT
PE1_PRSNT*
SMB_SCL 
SMB_SDA
PE_WAKE*  PE_RESET*
PE2_OUT 
PE2_OUT*
PE2_PRSNT*
+3.3V
SMB_SCL 
SMB_SDA
PE_WAKE*
PE1_OUT 
PE1_OUT*
PE1_PRSNT*
+3.3V
R217 10K
+3.3V_DUAL +3.3V +12V
R233 10K
+3.3V
+12V
PEX1_1
B1
+12V
B2
+12V
B3
+12V
B4
GND
B5
SMCLK
B6
SMDAT
B7
GND
B8
+3.3V
B9
TRST*
B10
+3.3V_AUX
B11
WAKE*
B12
RSVD
B13 
B14 
B15 
B16 
B17 
B18
3GPIOX1
R216
10K
GND 
PETP0 
PETN0 
GND 
PRSNT2* 
GND
X1 CONNECTOR
PEX1_2
B1
+12V
B2
+12V
B3
+12V
B4
GND
B5
SMCLK
B6
SMDAT
B7
GND
B8
+3.3V
B9
TRST*
B10
+3.3V_AUX
B11
WAKE*
B12
RSVD 
GND 
PETP0 
PETN0 
GND 
PRSNT2* 
GND
X1 CONNECTOR
B13 
B14 
B15 
B16 
B17 
B18
R234
3GPIOX1
10K
PRSNT1*
PERST*
REFCLK+
REFCLK-
PERP0 
PERN0
PRSNT1*
PERST*
REFCLK+
REFCLK-
PERP0 
PERN0
+12V
A1 
A2
+12V
A3
+12V 
GND
TCK
TDI 
TDO 
TMS
+3.3V 
+3.3V
GND
GND
GND
+12V 
+12V 
GND
TCK
TDI 
TDO 
TMS
+3.3V 
+3.3V
GND
GND
GND
RN83 
10K 8P4R
A4 
A5
1  2
A6
3  4
A7
5  6
A8
7  8 
A9 
A10 
A11
A12
PE2_REFCLK
A13
PE2_REFCLK*
A14 
A15
PE2_IN
A16
PE2_IN*
A17 
A18
+12V
A1 
A2 
A3 
A4 
A5 
A6 
A7 
A8 
A9 
A10
PE_RESET*
A11 
A12
PE1_REFCLK
A13
PE1_REFCLK*
A14 
A15
PE1_IN
A16
PE1_IN*
A17 
A18
RN84
10K 8P4R
1  2 
3  4 
5  6 
7  8
+3.3V
PE_RESET* 17,23
PE2_REFCLK 17 
PE2_REFCLK* 17
PE2_IN  17 
PE2_IN*  17
+3.3V
PE_RESET* 17,23
PE1_REFCLK 17 
PE1_REFCLK* 17
PE1_IN  17 
PE1_IN*  17
A  A
Title
PE X1 SLOT 1/2
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
22  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 23
5
SMB_SCL
PE_WAKE*
PE0_OUT[15..0] 
PE0_OUT*[15..0]
PE0_PRSNT*
+3.3V
1  2
SMB_SCL
SMB_SDA
SMB_SDA
PE_TRST*
R199
1  2
5%
10K
PE0_OUT15 
PE0_OUT*15
R203 
10K
5% 
0603
PE0_OUT14 
PE0_OUT*14
PE0_OUT13 
PE0_OUT*13
PE0_OUT12 
PE0_OUT*12
PE0_OUT11 
PE0_OUT*11
PE0_OUT10 
PE0_OUT*10
PE0_OUT9 
PE0_OUT*9
PE0_OUT8 
PE0_OUT*8
PE0_OUT7 
PE0_OUT*7
PE0_OUT6 
PE0_OUT*6
PE0_OUT5 
PE0_OUT*5
PE0_OUT4 
PE0_OUT*4
PE0_OUT3 
PE0_OUT*3
PE0_OUT2 
PE0_OUT*2
PE0_OUT1 
PE0_OUT*1
PE0_OUT0 
PE0_OUT*0
+3.3V_DUAL
+3.3V
D  D
PE_WAKE*
PE0_OUT*[15..0]
PE0_PRSNT*
C  C
B  B
A  A
4
PEX16
CONN
+12V
B1 
B2 
B3 
B4 
B5 
B6 
B7 
B8
B9 
B10 
B11
B12 
B13 
B14 
B15 
B16 
B17 
B18
B19 
B20 
B21 
B22 
B23 
B24 
B25 
B26 
B27 
B28 
B29 
B30 
B31 
B32
B33 
B34 
B35 
B36 
B37 
B38 
B39 
B40 
B41 
B42 
B43 
B44 
B45 
B46 
B47 
B48 
B49
B50 
B51 
B52 
B53 
B54 
B55 
B56 
B57 
B58 
B59 
B60 
B61 
B62 
B63 
B64 
B65 
B66 
B67 
B68 
B69 
B70 
B71 
B72 
B73 
B74 
B75 
B76 
B77 
B78 
B79 
B80 
B81 
B82
+12V 
+12V 
+12V 
GND 
SMCLK 
SMDAT 
GND 
+3.3V 
TRST* 
+3.3V_AUX 
WAKE*
RSVD 
GND 
PETP0 
PETN0 
GND 
PRSNT2* 
GND
PETP1 
PETN1 
GND 
GND 
PETP2 
PETN2 
GND 
GND 
PETP3 
PETN3 
GND 
RSVD 
PRSNT2* 
GND
PETP4 
PETN4 
GND 
GND 
PETP5 
PETN5 
GND 
GND 
PETP6 
PETN6 
GND 
GND 
PETP7 
PETN7 
GND 
PRSNT2* 
GND
PETP8 
PETN8 
GND 
GND 
PETP9 
PETN9 
GND 
GND 
PETP10 
PETN10 
GND 
GND 
PETP11 
PETN11 
GND 
GND 
PETP12 
PETN12 
GND 
GND 
PETP13 
PETN13 
GND 
GND 
PETP14 
PETN14 
GND 
GND 
PETP15 
PETN15 
GND 
PRSNT2* 
RSVD
I1
3GPIOX16
X1 CONNECTOR
X4 CONNECTOR
X8 CONNECTOR
X16 CONNECTOR
PRSNT1*
REFCLK+
REFCLK-
PERN10
PERN11
PERN12
PERN13
PERN14
PERN15
PERST*
PERP0 
PERN0
PERP1 
PERN1
PERP2 
PERN2
PERP3 
PERN3
PERP4 
PERN4
PERP5 
PERN5
PERP6 
PERN6
PERP7 
PERN7
PERP8 
PERN8
PERP9 
PERN9
PERP10
PERP11
PERP12
PERP13
PERP14
PERP15
3
+12V 
A1 
A2
+12V
A3
+12V
A4
GND 
TCK
TDI 
TDO 
TMS
+3.3V 
+3.3V
GND
GND
GND
RSVD
GND
GND 
GND
GND 
GND
GND
RSVD
RSVD
GND
GND 
GND
GND 
GND
GND 
GND
GND
RSVD
GND
GND 
GND
GND 
GND
GND 
GND
GND 
GND
GND 
GND
GND 
GND
GND 
GND
GND
PE_TCK
A5 
A6 
A7 
A8 
A9 
A10 
A11
A12 
A13 
A14 
A15 
A16 
A17 
A18
A19 
A20 
A21 
A22 
A23 
A24 
A25 
A26 
A27 
A28 
A29 
A30 
A31 
A32
A33 
A34 
A35 
A36 
A37 
A38 
A39 
A40 
A41 
A42 
A43 
A44 
A45 
A46 
A47 
A48 
A49
A50 
A51 
A52 
A53 
A54 
A55 
A56 
A57 
A58 
A59 
A60 
A61 
A62 
A63 
A64 
A65 
A66 
A67 
A68 
A69 
A70 
A71 
A72 
A73 
A74 
A75 
A76 
A77 
A78 
A79 
A80 
A81 
A82
PE_TDI 
PE_TMS
PE0_REFCLK 
PE0_REFCLK*
PE0_IN15 
PE0_IN*15
PE0_IN14 
PE0_IN*14
PE0_IN13 
PE0_IN*13
PE0_IN12 
PE0_IN*12
PE0_IN11 
PE0_IN*11
PE0_IN10 
PE0_IN*10
PE0_IN9 
PE0_IN*9
PE0_IN8 
PE0_IN*8
PE0_IN7 
PE0_IN*7
PE0_IN6 
PE0_IN*6
PE0_IN5 
PE0_IN*5
PE0_IN4 
PE0_IN*4
PE0_IN3 
PE0_IN*3
PE0_IN2 
PE0_IN*2
PE0_IN1 
PE0_IN*1
PE0_IN0 
PE0_IN*0
PE_RESET*
R196  10K 
R197  10K
R198  10K
1
1
PE0_IN[15..0] 
PE0_IN*[15..0]
+3.3V
PE_RESET* 17,22
2
PE0_REFCLK 17
PLACE CAPS NEAR PEX CONNECTORS
+12V
1
C330
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
+3.3V
1
C293
1000P 50V X7R /NI
+3.3V_DUAL
1
C322
100UF 16V 5X11 2mm /NI
1
C340
0.1UF 25V Y5V
1
0.1UF 25V Y5V /NI
1
C318
0.1UF 25V Y5V /NI
C319
1
C309
0.1UF 25V Y5V /NI
1
C331
0.1UF 25V Y5V /NI
100UF 16V 5X11 2mm /NI
1
C317
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
CT32
1
1
C311
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
+12V
1
1
C335
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
Title
PE X16 SLOT
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
23  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 24
5
4
3
2
1
SLOT 2
PCI2
I135
PCI_AD[31..0]
D  D
C  C
PCI_C/BE*[3..0]
PCI_INTZ*
PCI_INTW*
PCI_INTX*
PCI_INTY*
PCI_REQ*[4..0]
PCI_GNT*[4..0]
PCI_PME*
PCI_FRAME*
PCI_TRDY*
PCI_STOP*
PCI_DEVSEL*
PCI_LOCK*
PCI_AD[31..0]
B  B
PCI_PAR
SMB_SCL
PCI_REQ64C*
PCI_ACK64*
PCI_CLK1
PCI_C/BE*[3..0]
PCI_INTZ* 
PCI_INTW* 
PCI_INTX*
PCI_INTY* 
PCI_REQ*[4..0] 
PCI_GNT*[4..0]
PCI_PME*
PCI_FRAME*
PCI_TRDY*
PCI_STOP*
PCI_IRDY*
PCI_DEVSEL*
PCI_LOCK*
PCI_PERR*
PCI_SERR*
PCI_PAR
SMB_SDA
PCI_RST0*
SMB_SCL
PCI_REQ64C*
PCI_ACK64*
PCI_CLK1
0
PCI_AD0 
PCI_AD1 
PCI_AD2 
PCI_AD3 
PCI_AD4 
PCI_AD5 
PCI_AD6 
PCI_AD7 
PCI_AD8 
PCI_AD9 
PCI_AD10 
PCI_AD11 
PCI_AD12 
PCI_AD13 
PCI_AD14 
PCI_AD15 
PCI_AD16 
PCI_AD17 
PCI_AD18 
PCI_AD19 
PCI_AD20 
PCI_AD21 
PCI_AD22 
PCI_AD23 
PCI_AD24 
PCI_AD25 
PCI_AD26 
PCI_AD27 
PCI_AD28 
PCI_AD29 
PCI_AD30 
PCI_AD31 
PCI_AD23
PCI_C/BE*0 
PCI_C/BE*1 
PCI_C/BE*2 
PCI_C/BE*3
PCI_REQ*1 
PCI_GNT*1
A58 
B58 
A57 
B56 
A55 
B55 
A54 
B53 
B52 
A49 
B48 
A47 
B47 
A46 
B45 
A44 
A32 
B32 
A31 
B30 
A29 
B29 
A28 
B27 
A25 
B24 
A23 
B23 
A22 
B21 
A20 
B20 
A26
A52 
B44 
B33 
B26
B18 
A17
A19 
A34 
A36 
A38 
B35 
B37 
B39 
B40 
B42 
A43 
A41 
A15 
A40
A60 
B60 
B16
1 
2 
3 
4 
5 
6 
7 
8
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
23
0
1
2
3
PCI124
V2.2
5V 32BIT
AD0
AD2 
AD3 
AD4 
AD5 
AD6 
AD7 
AD8 
AD9 
AD10 
AD11 
AD12 
AD13 
AD14 
AD15 
AD16 
AD17 
AD18 
AD19 
AD20 
AD21 
AD22 
AD23 
AD24 
AD25 
AD26 
AD27 
AD28 
AD29 
AD30 
AD31 
IDSEL
CBE0* 
CBE1* 
CBE2* 
CBE3*
A6
INTA*
B7
INTB*
A7
INTC*
B8
INTD*
REQ* 
GNT*
PME* 
FRAME*
STOP* 
IRDY* 
DEVSEL* 
LOCK* 
PERR* 
SERR* 
PAR 
SBO* 
RESET* 
SDONE
REQ64* 
ACK64* 
CLOCK
KEY<A50> 
KEY<A51> 
KEY<B50> 
KEY<B51>
3.3VAUX
PRSNT1* 
PRSNT2*
RSVD1 
RSVD2 
RSVD3 
RSVD5
TRST*
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V
+3.3V_DUAL
A14 
B4
TDO
B9 
B11 
A9 
B10 
A11 
B14 
B2
TCK
A1 
A3
TMS
A4
TDI
A2
+12V
B1
-12V
B5
+5V
B6
+5V
A5
+5V
A8
+5V
A10
+5V
B61
+5V
A16
+5V
B62
+5V
A59
+5V
B59
+5V
A61
+5V
B19
+5V
A62
+5V
A21 
A27 
A33 
A39 
A45 
B43 
B41 
B36 
B31 
B25 
B54 
A53
A12
GND
A13
GND
A18
GND
A24
GND
A30
GND
A35
GND
A37
GND
A42
GND
A48
GND
A56
GND
B3
GND
B12
GND
B13
GND
B15
GND
B17
GND
B22
GND
B28
GND
B34
GND
B38
GND
B46
GND
B49
GND
B57
GND
CONN
-12V
+5V
+3.3V
PCI_AD[31..0]
PCI_AD[31..0]
PCI_C/BE*[3..0]
PCI_INTY*
PCI_INTZ*
PCI_INTW*
PCI_INTX*
PCI_PME*
PCI_FRAME*
PCI_TRDY*
PCI_STOP*
PCI_IRDY*
PCI_DEVSEL*
PCI_LOCK*
PCI_PERR*
PCI_PAR
SMB_SCL
PCI_REQ64D*
PCI_ACK64*
PCI_CLK0
PCI_C/BE*[3..0]
PCI_INTY* 
PCI_INTZ* 
PCI_INTW*
PCI_INTX* 
PCI_REQ*[4..0] 
PCI_GNT*[4..0]
PCI_PME*
PCI_FRAME*
PCI_TRDY*
PCI_STOP*
PCI_IRDY*
PCI_DEVSEL*
PCI_LOCK*
PCI_PERR*
PCI_SERR*
PCI_PAR
SMB_SDA
PCI_RST0*
SMB_SCL
PCI_REQ64D*
PCI_ACK64*
PCI_CLK0
0
PCI_AD0 
PCI_AD1 
PCI_AD2 
PCI_AD3 
PCI_AD4 
PCI_AD5 
PCI_AD6 
PCI_AD7 
PCI_AD8 
PCI_AD9 
PCI_AD10 
PCI_AD11 
PCI_AD12 
PCI_AD13 
PCI_AD14 
PCI_AD15 
PCI_AD16 
PCI_AD17 
PCI_AD18 
PCI_AD19 
PCI_AD20 
PCI_AD21 
PCI_AD22 
PCI_AD23 
PCI_AD24 
PCI_AD25 
PCI_AD26 
PCI_AD27 
PCI_AD28 
PCI_AD29 
PCI_AD30 
PCI_AD31 
PCI_AD22
PCI_C/BE*0 
PCI_C/BE*1 
PCI_C/BE*2 
PCI_C/BE*3
PCI_REQ*0 
PCI_GNT*0
A58 
B58 
A57 
B56 
A55 
B55 
A54 
B53 
B52 
A49 
B48 
A47 
B47 
A46 
B45 
A44 
A32 
B32 
A31 
B30 
A29 
B29 
A28 
B27 
A25 
B24 
A23 
B23 
A22 
B21 
A20 
B20 
A26
A52 
B44 
B33 
B26
A6 
B7 
A7 
B8
B18 
A17
A19 
A34 
A36 
A38 
B35 
B37 
B39 
B40 
B42 
A43 
A41 
A15 
A40
A60 
B60 
B16
1 
2 
3 
4 
5 
6 
7 
8
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
23
0
1
2
3
PCI1
I135
AD0
AD2 
AD3 
AD4 
AD5 
AD6 
AD7 
AD8 
AD9 
AD10 
AD11 
AD12 
AD13 
AD14 
AD15 
AD16 
AD17 
AD18 
AD19 
AD20 
AD21 
AD22 
AD23 
AD24 
AD25 
AD26 
AD27 
AD28 
AD29 
AD30 
AD31 
IDSEL
CBE0* 
CBE1* 
CBE2* 
CBE3*
INTA* 
INTB* 
INTC* 
INTD*
REQ* 
GNT*
PME* 
FRAME*
STOP* 
IRDY* 
DEVSEL* 
LOCK* 
PERR* 
SERR* 
PAR 
SBO* 
RESET* 
SDONE
REQ64* 
ACK64* 
CLOCK
KEY<A50> 
KEY<A51> 
KEY<B50> 
KEY<B51>
SLOT 1
PCI124
V2.2
5V 32BIT
3.3VAUX
PRSNT1* 
PRSNT2*
RSVD1 
RSVD2 
RSVD3 
RSVD5
TRST*
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V
+3.3V_DUAL
A14 
B4
TDO
B9 
B11 
A9 
B10 
A11 
B14 
B2
TCK
A1 
A3
TMS
A4
TDI
A2
+12V
B1
-12V
B5
+5V
B6
+5V
A5
+5V
A8
+5V
A10
+5V
B61
+5V
A16
+5V
B62
+5V
A59
+5V
B59
+5V
A61
+5V
B19
+5V
A62
+5V
A21 
A27 
A33 
A39 
A45 
B43 
B41 
B36 
B31 
B25 
B54 
A53
A12
GND
A13
GND
A18
GND
A24
GND
A30
GND
A35
GND
A37
GND
A42
GND
A48
GND
A56
GND
B3
GND
B12
GND
B13
GND
B15
GND
B17
GND
B22
GND
B28
GND
B34
GND
B38
GND
B46
GND
B49
GND
B57
GND
CONN
-12V
+5V
+3.3V
A  A
Title
PCI SLOT 1/2
Size Document Number  Rev
NF44X-A7  1.2
Custom
5
4
3
2
Date:  Sheet  of
24  43
1
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 25
5
4
3
2
1
SLOT 4
PCI4
I135
PCI_AD[31..0]
PCI_AD[31..0]
D  D
C  C
PCI_C/BE*[3..0]
B  B
PCI_C/BE*[3..0]
PCI_REQ*[4..0]
PCI_FRAME*
PCI_TRDY*
PCI_DEVSEL*
PCI_PERR*
PCI_RST1*
PCI_REQ64A*
PCI_ACK64*
PCI_INTX*
PCI_INTY*
PCI_INTZ*
PCI_INTW*
PCI_PME*
PCI_STOP*
PCI_LOCK*
PCI_PAR
SMB_SDA
PCI_CLK3
PCI_INTX* 
PCI_INTY* 
PCI_INTZ* 
PCI_INTW* 
PCI_REQ*[4..0] 
PCI_GNT*[4..0]
PCI_PME* 
PCI_FRAME* 
PCI_TRDY* 
PCI_STOP* 
PCI_IRDY* 
PCI_DEVSEL* 
PCI_LOCK* 
PCI_PERR* 
PCI_SERR* 
PCI_PAR 
SMB_SDA 
PCI_RST1* 
SMB_SCL
PCI_REQ64A* 
PCI_ACK64* 
PCI_CLK3
0
PCI_AD0 
PCI_AD1 
PCI_AD2 
PCI_AD3 
PCI_AD4 
PCI_AD5 
PCI_AD6 
PCI_AD7 
PCI_AD8 
PCI_AD9 
PCI_AD10 
PCI_AD11 
PCI_AD12 
PCI_AD13 
PCI_AD14 
PCI_AD15 
PCI_AD16 
PCI_AD17 
PCI_AD18 
PCI_AD19 
PCI_AD20 
PCI_AD21 
PCI_AD22 
PCI_AD23 
PCI_AD24 
PCI_AD25 
PCI_AD26 
PCI_AD27 
PCI_AD28 
PCI_AD29 
PCI_AD30 
PCI_AD31 
PCI_AD25
PCI_C/BE*0 
PCI_C/BE*1 
PCI_C/BE*2 
PCI_C/BE*3
PCI_REQ*3 
PCI_GNT*3
A58 
B58 
A57 
B56 
A55 
B55 
A54 
B53 
B52 
A49 
B48 
A47 
B47 
A46 
B45 
A44 
A32 
B32 
A31 
B30 
A29 
B29 
A28 
B27 
A25 
B24 
A23 
B23 
A22 
B21 
A20 
B20 
A26
A52 
B44 
B33 
B26
B18 
A17
A19 
A34 
A36 
A38 
B35 
B37 
B39 
B40 
B42 
A43 
A41 
A15 
A40
A60 
B60 
B16
1 
2 
3 
4 
5 
6 
7 
8
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
25
0
1
2
3
PCI124
V2.2
5V 32BIT
AD0
AD2 
AD3 
AD4 
AD5 
AD6 
AD7 
AD8 
AD9 
AD10 
AD11 
AD12 
AD13 
AD14 
AD15 
AD16 
AD17 
AD18 
AD19 
AD20 
AD21 
AD22 
AD23 
AD24 
AD25 
AD26 
AD27 
AD28 
AD29 
AD30 
AD31 
IDSEL
CBE0* 
CBE1* 
CBE2* 
CBE3*
A6
INTA*
B7
INTB*
A7
INTC*
B8
INTD*
REQ* 
GNT*
PME* 
FRAME*
STOP* 
IRDY* 
DEVSEL* 
LOCK* 
PERR* 
SERR* 
PAR 
SBO* 
RESET* 
SDONE
REQ64* 
ACK64* 
CLOCK
KEY<A50> 
KEY<A51> 
KEY<B50> 
KEY<B51>
3.3VAUX
PRSNT1* 
PRSNT2*
RSVD1 
RSVD2 
RSVD3 
RSVD5
TRST*
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V
TDO
TCK
TMS 
TDI
+12V
-12V
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V 
+5V
GND 
GND
CONN
A14 
B4 
B9 
B11 
A9 
B10 
A11 
B14 
B2 
A1 
A3 
A4
A2 
B1
B5 
B6 
A5 
A8 
A10 
B61 
A16 
B62 
A59 
B59 
A61 
B19 
A62
A21 
A27 
A33 
A39 
A45 
B43 
B41 
B36 
B31 
B25 
B54 
A53
A12 
A13 
A18 
A24 
A30 
A35 
A37 
A42 
A48 
A56 
B3 
B12 
B13 
B15 
B17 
B22 
B28 
B34 
B38 
B46 
B49 
B57
+3.3V_DUAL
+12V  -12V
+5V
+3.3V
PCI_AD[31..0]
PCI_AD[31..0]
PCI_C/BE*[3..0]
PCI_C/BE*[3..0]
PCI_INTW*
PCI_REQ*[4..0]
PCI_GNT*[4..0]
PCI_PME*
PCI_FRAME*
PCI_TRDY*
PCI_STOP*
PCI_DEVSEL*
PCI_LOCK*
PCI_PAR
SMB_SDA
PCI_RST1*
SMB_SCL
PCI_REQ64B*
PCI_ACK64*
PCI_CLK2
PCI_INTW* 
PCI_INTX* 
PCI_INTY* 
PCI_INTZ*
PCI_REQ*[4..0] 
PCI_GNT*[4..0]
PCI_PME* 
PCI_FRAME* 
PCI_TRDY* 
PCI_STOP* 
PCI_IRDY* 
PCI_DEVSEL* 
PCI_LOCK* 
PCI_PERR* 
PCI_SERR* 
PCI_PAR 
SMB_SDA 
PCI_RST1* 
SMB_SCL
PCI_REQ64B* 
PCI_ACK64* 
PCI_CLK2
0
PCI_AD0
1
PCI_AD1
2
PCI_AD2
3
PCI_AD3
4
PCI_AD4
5
PCI_AD5
6
PCI_AD6
7
PCI_AD7
8
PCI_AD8
9
PCI_AD9
10
PCI_AD10
11
PCI_AD11
12
PCI_AD12
13
PCI_AD13
14
PCI_AD14
15
PCI_AD15
16
PCI_AD16
17
PCI_AD17
18
PCI_AD18
19
PCI_AD19
20
PCI_AD20
21
PCI_AD21
22
PCI_AD22
23
PCI_AD23
24
PCI_AD24
25
PCI_AD25
26
PCI_AD26
27
PCI_AD27
28
PCI_AD28
29
PCI_AD29
30
PCI_AD30
31
PCI_AD31
24
PCI_AD24
0
PCI_C/BE*0
1
PCI_C/BE*1
2
PCI_C/BE*2
3
PCI_C/BE*3
PCI_REQ*2 
PCI_GNT*2
SLOT 3
PCI3
I135
PCI124
AD0
AD2 
AD3 
AD4 
AD5 
AD6 
AD7 
AD8 
AD9 
AD10 
AD11 
AD12 
AD13 
AD14 
AD15 
AD16 
AD17 
AD18 
AD19 
AD20 
AD21 
AD22 
AD23 
AD24 
AD25 
AD26 
AD27 
AD28 
AD29 
AD30 
AD31 
IDSEL
CBE0* 
CBE1* 
CBE2* 
CBE3*
INTA* 
INTB* 
INTC* 
INTD*
REQ* 
GNT*
PME* 
FRAME*
STOP* 
IRDY* 
DEVSEL* 
LOCK* 
PERR* 
SERR* 
PAR 
SBO* 
RESET* 
SDONE
REQ64* 
ACK64* 
CLOCK
KEY<A50> 
KEY<A51> 
KEY<B50> 
KEY<B51>
5V 32BIT
V2.2
3.3VAUX
PRSNT1* 
PRSNT2*
A58 
B58 
A57 
B56 
A55 
B55 
A54 
B53 
B52 
A49 
B48 
A47 
B47 
A46 
B45 
A44 
A32 
B32 
A31 
B30 
A29 
B29 
A28 
B27 
A25 
B24 
A23 
B23 
A22 
B21 
A20 
B20 
A26
A52 
B44 
B33 
B26
A6 
B7 
A7 
B8
B18 
A17
A19 
A34 
A36 
A38 
B35 
B37 
B39 
B40 
B42 
A43 
A41 
A15 
A40
A60 
B60 
B16
RSVD1 
RSVD2 
RSVD3 
RSVD5
TRST*
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V 
+3.3V
+3.3V_DUAL
A14 
B4
TDO
B9 
B11 
A9 
B10 
A11 
B14 
B2
TCK
A1 
A3
TMS
A4
TDI
A2
+12V
B1
-12V
B5
+5V
B6
+5V
A5
+5V
A8
+5V
A10
+5V
B61
+5V
A16
+5V
B62
+5V
A59
+5V
B59
+5V
A61
+5V
B19
+5V
A62
+5V
A21 
A27 
A33 
A39 
A45 
B43 
B41 
B36 
B31 
B25 
B54 
A53
A12
GND
A13
GND
A18
GND
A24
GND
A30
GND
A35
GND
A37
GND
A42
GND
A48
GND
A56
GND
B3
GND
B12
GND
B13
GND
B15
GND
B17
GND
B22
GND
B28
GND
B34
GND
B38
GND
B46
GND
B49
GND
B57
GND
CONN
-12V
+5V
+3.3V
A  A
Title
PCI SLOT 3/4
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
25  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 26
5
4
3
2
1
+3.3V
D  D
C  C
B  B
PCI_REQ*[4..0]
PCI_REQ*[4..0]
PCI_PME*
PCI_REQ*0 
PCI_REQ*3 
PCI_REQ*1 
PCI_REQ*2
PCI_REQ*4
PCI_SERR*
PCI_SERR*
PCI_PERR*
PCI_PERR*
PCI_LOCK*
PCI_LOCK*
PCI_DEVSEL*
PCI_FRAME*
PCI_REQ64A*
PCI_REQ64D*
PCI_CLKRUN*
PCI_DEVSEL*
PCI_FRAME* 
PCI_IRDY*
PCI_IRDY*
PCI_TRDY*
PCI_TRDY*
PCI_STOP*
PCI_STOP*
PCI_ACK64*
PCI_ACK64*
PCI_REQ64A* 
PCI_REQ64C* 
PCI_REQ64B*
PCI_REQ64D*
PCI_INTW*
PCI_INTW*
PCI_INTY*
PCI_INTY*
PCI_INTX*
PCI_INTX*
PCI_INTZ*
PCI_INTZ*
PCI_CLKRUN*
PCI_PME*
PE3_PRSNT*
PE3_PRSNT*
RN97
1  2 
3  4 
5  6 
7  8
8.2K 8P4R
R256
1  2
0603 5%
8.2K
RN85
1  2 
3  4 
5  6 
7  8
8.2K 8P4R
RN101
7  8 
5  6 
3  4 
1  2
8.2K 8P4R
RN100 8.2K 8P4R
1  2 
3  4 
5  6 
7  8
R420
1  2
0603 5%
8.2K
RN102
7  8 
5  6 
3  4 
1  2
8.2K 8P4R
R242
1  2
0603 5%
8.2K
R326
1  2
5%
8.2K
1  2
R205  8.2K
5%
+3.3V_DUAL
+3.3V
PCI SLOT DECOUPLING
+3.3V
1000UF 6.3V 8X12
CT39
1
C437
1
0.1UF 25V Y5V
C389
1
0.1UF 25V Y5V
C436
1
0.1UF 25V Y5V
+3.3V
1000UF 6.3V 8X12 /NI
CT3
1
C413
1
0.1UF 25V Y5V /NI
C387
1
0.1UF 25V Y5V
C412
1
0.1UF 25V Y5V /NI
C373
1
0.1UF 25V Y5V /NI
C435
1
0.1UF 25V Y5V /NI
C390
1
0.1UF 25V Y5V /NI
1000UF 6.3V 8X12
CT38
ALUMRDL
25V
20%
C438
0.1UF 25V Y5V /NI
C399
0.1UF 25V Y5V /NI
ADD FOR EMI PLACE NEAR CT41
C360
+5V
0.1UF 25V Y5V /NI
+5V
1
1
1
+12V
100UF 16V 5X11 2mm /NI
C343
1
ALUMRDL
25V
20%
100UF 16V 5X11 2mm
C300
1
RDL
ALUM 
20%16V
A  A
Title
PCI TERM/DECOUPLING
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
26  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 27
5
4
3
2
1
CD_L 
CD_G
CD_R
MIC1-L
CD-R
CD-L
AC25
VOBR
AC221UF 10V Y5V
1000P 50V X7R
AU1
24 
23 
22 
21 
20 
19 
18 
17 
16 
15 
14 
13
CODEC ALC655
AC_BITCLK
AC_SDOUT
3
PORT_D_R 28 
PORT_D_L 28
STR_MIC_L 28 
STR_MIC_R 28
AUD_GND 28,32
VOCR
AC19
AUD_GND 28,32
+3.3V
AC_RST* 20
AC_SYNC 20
AC_SDIN_0 20 
AC_BITCLK 20
AC_SDOUT 20
AC21 
1000P 50V X7R
LINE IN
AC7 1UF 10V Y5V 
AC8 1UF 10V Y5V 
AC9 1UF 10V Y5V 
AC101UF 10V Y5V
MIC-IN
CD_R
AC111UF 10V Y5V
CD_G
AC121UF 10V Y5V
CD_L
AC131UF 10V Y5V
CD in connector
Verfout bias for stereo microphone.
VCC5_AUD
AR16
4.7K
AR6
4.7K
AUD_GND 28,32
Verfout bias for backpanel microphone.
PORT_B_L
PORT_C_R 28 
PORT_C_L 28 
PORT_B_R 28 
PORT_B_L 28
2
D  D
FRONT OUT
STR MIC--->FRONT PANEL
AC231UF 10V Y5V
C  C
VCC5_AUD
AC16
0.1UF 25V Y5V
AUD_GND
B  B
SPDIFO
A  A
5
AUD_GND
AR21 0 /NI
+3.3V
AR22 10
AC97CLK
+
+
AC14  100UF 16V 5X11 2mm
AC15  100UF 16V 5X11 2mm
36
FRONT-L
FRONT-R
37
LINE1-VREFO-R
38
AVDD2
39
SURR-L
40
JDREF/NC/JD3
41
SURR-R
42
AVSS2
43
CEN
44
LFE
45
SurrBack-L/GPIO0
46
SurrBack-R/XTLSEL
47
SPDIFI/EAPD
48
SPDIFO
1UF 10V Y5V
Sense B/FMIC1
DVDD1
GPIO0/XTLI
GPIO1/XTLO
1234567891011
AC27
4
DCVOL/VREFO2
DVSS1
MIC1-VREFO-R/FMIC2
SDATA-OUT
LINE2-VREFO/JD4
MIC2-VREFO/AFILT2
BIT-CLK
DVSS2
AC18
1UF 10V Y5V
AC20 1UF 10V Y5V
VREF
MIC1-VREFO-L
LINE1-VREFO-L/AFILT1
SDATA-IN
DVDD2
SYNC
AR18 22
AR20  22
+
AC26 0.1UF 25V Y5V
VCC5_AUD
AC30 1UF 16V 0805 Y5V+AC17 1UF 16V 0805 Y5V
2526272829303132333435
AVSS1
AVDD1
LINE1-R 
LINE1-L
MIC1-R
CD-GND
MIC2-R/JD1
MIC2-L/JD2
LINE2-R/AUX-R
LINE2-L/AUX-L
Sense A/Phone
RESET#
PCBEEP
12
AL7  0
FOR EMI
AR24 10K
AC_RST* 
AC_SYNC 
AC_SDIN_0
AC28 
10P 50V NPO
AR13 
47K
AD3
A  K
1N4148 SMD
AD4
A  K
1N4148 SMD
AR3
VOBR
Reserve to fine tune accuracy of 
Jack Sensing
Title
ALC655 AC97 codec
Size Document Number  Rev
Custom
Date:  Sheet  of
JCDIN1
1 
2 
3 
4
WAFER 1X4 BLACK
AR12
AR14
47K
47K
AUD_GND 28,32
4.7K
AR5
STR_MIC_L 28
4.7K
AR15
STR_MIC_R 28
A
AD1  1N4148 SMD
A
AD2  1N4148 SMD
AR19
5.6K
AUD_GND 28,32
NF44X-A7
GND 
GND
VOBR
1
L
R
27  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 28
5
4
3
2
1
LINE-IN
LINE_INL
CONN_GND
LINE_IN_L
32 
33 
34
LINE_IN_R
35 
1
JAUDIO1D
D  D
AUDIO JACK 3L
LINE-OUT
CONN_GND
CONN_GND
22 
23 
24 
25 
1
2 
3 
4 
5 
1
FOR EMI
LINE_OUT_L LINE_OUTL
LINE_OUT_R LINE_OUTR
100P 50V NPO /NI
AC3
AC2
100P 50V NPO /NI
100P 50V NPO /NI
JAUDIO1C
AUDIO JACK 3L
MIC-IN
JAUDIO1B
AUDIO JACK 3L
C  C
CONN_GND
AUDIO ANALOG POWER
AU2
78L05 TO-92
+12V
B  B
1
AC31
0.1UF 25V Y5V
FOR EMI
IGO
1 
2
ACT1 
100UF 16V 5X11 2mm /NI
+
-
VCC5_AUD
1
AC29
0.1UF 25V Y5V
AUD_GND 27,32
LINE_INR
100P 50V NPO /NI
AC4
AL3  0
AL2  0
IO_GND
STR_MIC_L
AL6  0
AL5  0
AC5
AC6
100P 50V NPO /NI
AL4  0
AL1  0
AC1 
100P 50V NPO /NI
AR11
22K /NI
STR_MIC_L 
STR_MIC_R 
LINE_OUTR
LINE_OUTL  LINE_OUT_L 
LINE_INR  LINE_IN_R 
LINE_INL
AR10 
22K /NI
AR9 
22K /NI
AR7 
22K /NI
AR8 
22K /NI
AR17 
22K /NI
PORT_B_L
PORT_B_R
JFAUDIO1
1  2 
3  4 
5  6 
7 
9  10
111312
HEADER 2X7 N8
AUD_GND 27,32
PORT_B_L 27
PORT_B_R 27
AUD_GND 27,32
VCC5_AUD
14
AUD_GND 27,32
AUD_GND 27,32
LINE_OUT_R
LINE_IN_L
PORT_C_L 27
PORT_C_R 27
PORT_D_L 27
PORT_D_R 27
H1
2  1
AR1 0 0805
IO_GND
2  1
AR2 1UF 16V 0805 Y5V
2  1
AR23 0 0805 /NI
FOR EMI
AUD_GND
G2
G2
G3
G4  G5
AUDIO JACK 3L
G4
C334
0.1UF 25V Y5V
JAUDIO1A
G1
G1
G3
IO_GND
AUD_GND 27,32
AUD_GND 27,32
+5V
BEAD 60 0805 1A
2  1
A  A
AL8
1UF 16V 0805 Y5V
5
JSPDIF_OUT1
1
2
SPDIFO  27
3
WAFER 1X3 BLACK
AC32
Title
AUDIO CONNECTOR
Size Document Number  Rev
Custom
4
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
28  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 29
5
4
3
2
1
+5V
DCDJ0
R251
4.7K
RTSJ0
KBC'S ROM:1/BUILT IN,0/EXT.
D  D
GP35: To generate an 
event for the function 
THERMAL SHUTDOWN
CHIP_THERM*
To CK8-04
+3.3V
+3.3V
RN92
1  2 
3  4 
5  6 
7  8
4.7K 8P4R
51K P/U is 
necessaried
C  C
on IX version 
LPC I/O
LPCRST_SIO*
LPC_DRQ0*
B  B
+5V_STBY
Subject: IT8712F/HX change version to IT8712F/IX
1.Change of top-mark of IC 
  ITE LOGO  IT8712F  DDDD-HX#  LLLLLL  e  ITE LOGO  IT8712F  DDDD-IX#  LLLLLL Common information: DDDD=Date code 
LLLLLL=Lot No. #=Package House 
HX: H = version, X = UMC FAB III  IX: I = version, X = UMC FAB III
2.Effect after Change 
General 
lChange Version ID from 06h to 07h. 
lChange the default of pin84 to PCIRST4#, the default of pin48 to PCIRST5#; and PCIRST5# is powered by VCC. 
lAdd PCIRSTIN#, muxed on pin91 and controlled by Index 2Ch[1]. The outputs of PCIRST3# and PCIRST5# will be (LRESET# AND 
PCIRSTIN#). 
lChange PAD of KDAT, KCLK, MDAT, and MCLK from DIOD16 to DIOD24. 
lUse Power-On-Strapping to switch the VID to new threshold: Vih/Vil=0.8/0.4. 
lChanging pin36's function to VIDVCC, i.e., Output Voltage Reference of VID (1.2V or 3.3V.) 
Power Relatives
A  A
lThe function of AC-Power Fail-Resume of Previous version will fail when working with some special ATX Power Supplies. The 
ability to co-work with such kind of Power Supply is enhanced in this version. 
lThe delay of PWROK1/2 can be programmed from default 300~600ms to 150~300ms. The register is powered by VSB. 
lAdd ATXPG (from ATX Power Good) pin, and revise the PWROK circuits to add two AND inputs, PSIN and ATXPG. 
H/W Monitor 
lHysteresis on Full Fan Speed. 
lThe PWM defaults of Fan_CTL1~3 can be selected by Power-On-Strapping as 100% duty or starting with 100% and then down to 
50% duty cycle. 
lAdd 2 more sets of Fan_TAC and Fan_CTL. 
lChange the default PWM basic frequency of Fan_CTL to 22~27KHz. 
lAdd the ability to monitor VCC5V and VCCH5V internally. 
Note 
lWhen using IX to replace HX or GX, please especially check BIOS setting and relative pins of registers 2Ah and 2Ch.
OV_CHIPCORE1
R301 
51K
LPCRST_SIO* 
LPC_DRQ0*
LPC_SERIRQ
LPC_AD0
LPC_AD3
PCI_CLKSIO
BUF_SIO_CLK
5
DTRJ1
RTSJ1
DSRJ1
RXDJ1
FAN1
FAN_CTL1
FAN2
FAN_CTL2
OV_LDTV1
LPC_PD#
ACPI_LED 
LPC_DRQ0* 
LPC_PD# 
LPC_CLKRUN#
DTRJ0
+5V
TXD1
48 MHz
+5V
LPC_SERIRQ 
LPC_FRAME* 
LPC_AD0
LPC_AD1 
LPC_AD2 
LPC_AD3 
SIO_KBRST* 
A20GATE 
PCI_CLKSIO
BUF_SIO_CLK
R246
4.7K
R324
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38
RIJ0
CTSJ0
DTRJ0
RTSJ0
DSRJ0
TXD0
RXDJ0
DCDJ1
RIJ1
CTSJ1
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
PD1
PD2
PD3
PD4
PD5
PD6
PD7
RI1#
RI2#
1
DTR2#
2
RTS2#
3
DSR2#
4
VCC
5
SOUT2
6
SIN2
7
FAN_TAC1
8
FAN_CTL1
9
FAN_TAC2/GP52 
FAN_CTL2/GP51 
FAN_TAC3/GP37 
FAN_CTL3/GP36 
WTI#/GP35 
VID4/GP34 
GNDD 
VID3/GP33 
VID2/GP32 
VID1/GP31 
VID0/GP30 
JSBB2/GP27 
JSBB1/GP26 
JSBCY/GP25 
JSBCX/GP24 
JSAB2/GP23 
JSAB1/GP22 
JSACY/GP21 
JSACX/GP20 
MIDI_OUT/GP17 
MIDI_IN/GP16 
CIRTX/GP15 [PU51K] 
SCRRST/GP14 
SCRFET#/GP13 
SCRIO/GP12 
SCRCLK/GP11 
VCC 
LPCPD# 
LRESET# 
LDRQ#
+3.3V
8.2K
R325
20K
R322
20K
SIN1
GNDD
CTS1#
RTS1#
CTS2#
DTR1#
DSR1#
DCD1#
SOUT1
DCD2#
LAD2
LAD1
LAD0
LAD3
SERIRQ
LFRAME
KRST#
GA20
PCICLK
CLKRUN#/GP50
CLKIN
GNDD
DENSEL#
MTRA#
MTRB#
DRVA#
DRVB#
WDATA#
434241
44
394045464748495051525354555657585960616263
LPC_CLKRUN#
RN94
4.7K 8P4R
1  2
3  4
5  6
7  8
+5V
DIR#
4
103
104
105
106
107
108
109
PD0
INIT#
STB#
AFD#
ACK#
ERR#
SLIN#
[5VSB PWR WELL] CIRRX/GP55
[5VSB PWR WELL] SCRPRES#/GP10
[5VSB PWR WELL] MCLK 
[5VSB PWR WELL] MDAT 
[5VSB PWR WELL] KCLK 
[5VSB PWR WELL] KDAT
[5VSB PWR WELL] SCLK/GP40 
[5VSB PWR WELL] SDAT/GP41 
[5VSB PWR WELL] RING#/GP53
[5VSB PWR WELL] PSON#/GP42
[5VSB PWR WELL] PANSWH#/GP43
[5VSB PWR WELL] PME#/GP54
[5VSB PWR WELL] PWRON#GP44
[5VSB PWR WELL] PSIN/GP45 
[5VSB PWR WELL] IRRX/GP46
[VBAT/5VSB PWR WELL] ] COPEN#
STEP#
HDSEL#
WGATE#
RDATA#
TRK0#
INDEX#
WPT#
64
3
BUSY 
SLCT
VREF 
TMPIN1 
TMPIN2 
TMPIN3
GNDA
GNDD
VBAT
VCCH
IRTX/GP47 
DSKCHG#
IT8712FIX
PDR7
PDR7  33
PDR6
PDR6  33
PDR5
PDR5  33
PDR4
PDR4  33
PDR3
PDR3  33
PDR2
PDR2  33
PDR1
PDR1  33
PDR0
PDR0  33 
STROBEJ 33 
ALFJ  33 
ERRORJ  33 
PARINITJ 33 
SLCTINJ  33 
ACKJ  33 
BUSY  33 
PE  33 
SLCTJ  33
U13
102 
101
PE
100 
99
VCC
98
VIN0
97
VIN1
96
VIN2
95
VIN3
94
VIN4
93
VIN5
92
VIN6
91
VIN7
90 
89 
88 
87 
86 
85 
84 
83 
82 
81 
80 
79 
78 
77 
76 
75 
74 
73 
72 
71 
70 
69 
68 
67 
66 
65
R308
VIN0 
VIN1 
VIN2 
VIN3 
VIN4 
VIN5 
VIN6 
VIN7 
VREF
IO_PWIN 
IO_PME*
IO_POUT
+5V
VIN0  30 
VIN1  30 
VIN2  30 
VIN3  30 
VIN4  30 
VIN5  30 
VIN6  30 
VIN7  30
SMB_ALLERT*
1M
C392
C394
0.1UF 25V Y5V
IRTX  37
FDSKCHG- 32
FWP-  32 
FINDEX-  32 
FTRAK0- 32 
FRDATA- 32 
FWEN-  32 
FHEAD-  32 
FSTEP-  32 
FDIR-  32 
FWD-  32 
FDSB-  32 
FDSA-  32 
FMOB-  32 
FMOA-  32 
FRWC-  32
SMB_ALLERT*9 
MCLK  32 
MDAT  32 
KCLK  32 
KDAT  32
R306 4.7K
IRRX  37
0.1UF 25V Y5V
+5V_STBY
CT47 
100UF 16V 6.3X5 2.5mm
SMB_ALLERT*
C366
1UF 10V Y5V
+3.3V_STBY
+5V_STBY
VBAT  20,37,38
JCI2
HEADER 1X2 /NI
R299  4.7K
2
+5V
C361
0.1UF 25V Y5V
VREF  30
R293 
30K 1%
From CPU
CPU_THERMDA9 
CPU_THERMDC9,30
Routed by differential
C384
3900P 50V X7R
R305
R304
4.7K
4.7K
R303  33
R302  33
+5V_STBY
Title
Size Document Number  Rev
Date:  Sheet  of
A
+5V_STBY
R300 
10K
GP54: To generate an 
event for the function 
SLEEP BUTTON, POWER 
ON BY 
KB/MOUSE,RING-IN
Custom
BEAD 60 0805 1A
IO_PME*  20
To Power Supplier
PS_ON*  37
From Power Button
PWRBTN* 37
To SB
PWBTOUT- 20
From SB
SLP_S3*  20
GNDA
A
L12
GP55: To provide BIOS 
Write Protection 
Function (Boot Block 
Lock).
FWH_TBL* 32
To POWER LED 
circuit
ACPI_LED 37
Super I/O ITE8712 
NF44X-A7
1
GNDA  9,30
29  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 30
5
+5V
D  D
FAN_CTL1
22UF 25V 5X11 2mm /NI
C  C
FAN_CTL2
CT2
+5V
R290
4.7K /NI
CT33
22UF 25V 5X11 2mm /NI
R43
4.7K /NI
R38 15K /NI
R27 36K 1% /NI
R283 15K /NI
R355 
22K /NI
R37 470 /NI
U1A
LM358 SO8 /NI
-
2
1
+
3
+12V
8  4
R26 
22K
U8A
LM358 SO8 /NI
-
2
1
+
3
+12V
8  4
R353 36K 1% /NI
4
+12V  +5V
R35 
1K /NI
R421 
0 0805
E
B
Q1
2SB1202 TO252 /NI
CT1 
100UF 16V 5X11 2mm /NI
+12V
R359 
1K /NI
R360 
470 /NI
B
Q53
2N2907 SOT23 /NI
E
E
Q60
B
2N2907 SOT23 /NI
CT40 
22UF 25V 5X11 2mm /NI
linear FAN
R422 
0 0805
2
WAFER 1X3 
JNBFAN1
2
WAFER 1X3
JCFAN1
3 
1
3 
1
CT31 
22UF 25V 5X11 2mm /NI
JSFAN1
3
2
1
WAFER 1X3
A
R22
22K
R21  1K
C15 
470P 50V X7R
+5V
R354 
22K
R356 1K
C440 
470P 50V X7R
KA
K
D8
+5V
BAV99 SOT23
KA
A
D9 
BAV99 SOT23
3
FAN1  29
FAN2  29
K
2
Voltage Sensing
+V_CPU +1.5V
R253
R278
C357
10K 1%
C362
0.1UF 25V Y5V
R272
10K 1%
R271 
10K /NI
C363
0.1UF 25V Y5V
VIN0
VREF
10K 1%
0.1UF 25V Y5V
+3.3V +5V +12V
R282
R273
30K 1%
6.8K
R254
10K 1%
A  A
C358
C364
0.1UF 25V Y5V
0.1UF 25V Y5V
+1.2V_HT
R286
R292
10K 1%
10K 1%
R281
R289
10K 1%
56K /NI
A
A
D-
R294
56K /NI
C369
R295
6.8K
+5V_STBY
0.1UF 25V Y5V
A
1
R291 
10K 1%
hardware monitor
B  B
A  A
Temperature Sensing
GNDA
GNDA
A
5
GNDA  9,29
7 mils comp 
5 mils comp
7 mils solder 
5 mils solder
4
3
J2
1
CP1
2
CP2
HEADER 1X2 D 150 /NI
TESTCOUPON1
CP1 
CP2 
CP3 
CP4 
CP5 
CP6 
CP7 
CP8 
CP9  CP10
ATXCUT /NI
+5V
+5V
2
J1
NC4
1
CP1
2
CP2
HEADER 1X2 D 150 /NI
Title
Size Document Number  Rev
Custom
Date:  Sheet  of
H/W MON,FAN CONTROL
NF44X-A7
30  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 31
5
4
3
2
1
IDE_SDD[15..0]
D  D
C  C
IDE_PDD[15..0]
IDE_IORDY_P
IDE_DACK_P*
IDE_ADDR_P1
IDE_ADDR_P2
IDE_SDD[15..0] 
IDE_PDD[15..0]
R309
1  2
0603
5%
8.2K /NI
5%
R314
1  2
0603
10K
10K
5%
+3.3V  +3.3V
R310
1  2
PCIRST_IDE*
IDE_IOW_P*  CBLE_DET_P 19
IDE_INTR_P
IDE_CS1_P*
IDE_CS3_P*
PCIRST_IDE* 
IDE_DREQ_P
IDE_IOW_P* 
IDE_IOR_P* 
IDE_IORDY_P 
IDE_DACK_P* 
IDE_INTR_P 
IDE_ADDR_P1 
IDE_ADDR_P0 
IDE_CS1_P* 
P_HDLED*
P_HDLED*
IDE_CS3_P*
4.7K
5%
1  2
R313
1  2
0603 5%
5.6K
EMPTY
R315
IDE_PDD7
IDE_PDD7 
IDE_PDD6 
IDE_PDD5 
IDE_PDD4 
IDE_PDD3 
IDE_PDD2 
IDE_PDD1 
IDE_PDD0
IDE1
3  4
DD7 
DD6 
DD5 
DD4 
DD3 
DD2 
DD1 
DD0 
RESET*
DMARQ 
DIOW*
PDIAG*
NC  GND
BOX 2X20 N20 U
DD8
DD9 
DD10 
DD11 
DD12 
DD13 
DD14 
DD15
CSEL
DA2 
CS1*
GND
GND
GND
GND
GND
GND
5  6 
7  8
9  10 
11  12 
13  14 
15  16 
17  18
1 
21
23 
25 
27 
29 
31 
33 
35 
37 
39
32
28
34 
36 
38
2 
19 
22 
24 
26 
30 
40
IDE_PDD8 
IDE_PDD9 
IDE_PDD10 
IDE_PDD11 
IDE_PDD12 
IDE_PDD13 
IDE_PDD14 
IDE_PDD15
CBLE_DET_P
1  2
R311
5%
15K
IDE_ADDR_P2
IDE2
R316
1  2
5%
5%
R320
1  2
0603
10K
10K
5%
+3.3V  +3.3V
R312
1  2
0603 5%
PCIRST_IDE*
IDE_IOW_S*
IDE_IORDY_S
IDE_DACK_S*
B  B
IDE_INTR_S
IDE_CS1_S*
IDE_CS3_S*
PCIRST_IDE* 
IDE_DREQ_S
IDE_IOW_S* 
IDE_IOR_S* 
IDE_IORDY_S 
IDE_DACK_S* 
IDE_INTR_S 
IDE_ADDR_S1 
IDE_ADDR_S0 
IDE_CS1_S* 
S_HDLED*
S_HDLED*
IDE_CS3_S* 
IDE_ADDR_S2
4.7K
R317
1  2
0603 5%
5.6K
EMPTY
R319
1  2
8.2K /NI
IDE_SDD7
IDE_SDD7
IDE_SDD6  IDE_SDD9 
IDE_SDD5 
IDE_SDD4 
IDE_SDD3 
IDE_SDD2 
IDE_SDD1 
IDE_SDD0
3  4
DD7
5  6
DD6
7  8
DD5
9  10
DD4
11  12
DD3
13  14
DD2
15  16
DD1
17  18
DD0
1
RESET*
21
DMARQ
23
DIOW*
25 
27
IORDY
29
DMACK*
31
INTRQ
33
DA1
35
DA0
37
CS0*
39
DASP*
32
NC  GND
BOX 2X20 N20 Y
IDE_SDD8
DD8 
DD9
IDE_SDD10
DD10
IDE_SDD11
DD11
IDE_SDD12
DD12
IDE_SDD13
DD13
IDE_SDD14
DD14
IDE_SDD15
DD15
28
CSEL
34
PDIAG*
36
DA2
38
CS1*
2
GND
19
GND
22
GND
24
GND
26
GND
30
GND
40
CBLE_DET_S
R318
1  2
0603
5%
15K
CBLE_DET_S 19
A  A
Title
IDE ATA 133
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
31  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 32
5
+5V
D  D
C  C
FDD
BOX 2X17 N5 W
FDD1
1 
3  4 
5  6 
7  8 
91110
13  14 
17  18
19  20 
21 
23 
25 
27 
29 
31 
33
R323 
150
2
12 
16
22 
24 
26 
28 
30 
32 
34
1
7
RN93
150 8P4R
FRWC-
FINDEXFMOAFDSBFDSAFMOBFDIRFSTEPFWDFWENFTRAK0FWPFRDATAFHEAD-
FDSKCHG-
FRWC-  29
FINDEX-  29 
FMOA-  29 
FDSB-  29 
FDSA-  29 
FMOB-  29 
FDIR-  29 
FSTEP-  29 
FWD-  29 
FWEN-  29 
FTRAK0-  29 
FWP-  29 
FRDATA-  29 
FHEAD-  29 
FDSKCHG- 29
4
3
+5V  +5V_STBY
123
JKBMSV1 
HEADER 1X3
R7 0 0805 /NI
FS1  POLY FUSE 1.1A
2
1
PS2 KB & MS
1
IO_GND
C6
0.1UF 25V Y5V
KDAT
KCLK
MDAT
MCLK
3  4
5  6
7  8
100P 50V NPO
1  2
RN1
2.2K 8P4R 
R14
0 0805
R15
0 0805
R23
0 0805
R28
0 0805
C22
L_MCLK
L_KDAT
L_KCLK
L_MDAT
C21
C16
C13
C5
1 
2 
3 
4 
5 
6
7 
8
9 
10 
11 
12
MINI DIN CONN PC99
0.1UF 25V Y5V
JKBMS1
PS/2 Kybd
PS/2 Mse
G1 
G2 
G3 
G4 
G5
100P 50V NPO
100P 50V NPO
100P 50V NPO
IO_GND
REF4
PAD200-8 /NI
1 
2 
3
B  B
4  5
REF1
PAD200-8 /NI
1 
2 
3 
4  5
REF2
PAD200-8 /NI
1 
2 
3 
4  5
9
9
9
REF3
PAD200-8 /NI
1 
2 
3
A  A
4  5
9
8 
7 
6
8 
7 
6
8 
7 
6
8 
7 
6
5
REF7
PAD200-8 /NI
1 
2 
3 
4  5
9
REF5
PAD200-8 /NI
1 
2 
3 
4  5
9
REF6
PAD200-8 /NI
1 
2 
3 
4  5
9
AUD_GND 27,28
8 
7 
6
8 
7 
6
8 
7 
6
LPC_AD[3..0]
4
FLASH BIOS
LPC_AD[3..0]
LPC_FRAME*
PCI_CLKLPC
+3.3V
LPC_AD[3..0]
3
LPC_AD[3..0]
0 
1 
2 
3
LPC_FRAME* 
PCI_CLKLPC 
LPCRST_FLASH*
R330
FWH_WP*
1  2
0603
5%
R298
4.7K
FWH_TBL*
1  2
5%
4.7K
FWH_TBL*
RN98
LPC_AD1
1  2
LPC_AD2
3  4
LPC_AD3
5  6
LPC_AD0
7  8
8.2K 8P4R
ROM1
LPC_AD0
13
LAD0
LPC_AD1
14
LAD1
LPC_AD2
15
LAD2
LPC_AD3
17
LAD3
23  24
FRAME*
31
LCLK
2
RESET*
7
WP*
8
TBL*
29
MODE
28
GND
16
GND
+3.3V
2
4MB FLASH
INIT*
RES 
RES 
RES 
RES
VDD 
VDD
GPI0 
GPI1 
GPI2 
GPI3 
GPI4
ID0 
ID1 
ID2 
ID3
Title
Size Document Number  Rev
Custom
Date:  Sheet  of
R1
0 0805
+3.3V
1
NC
22
NC
26
NC
27
NC
18 
19 
20 
21
25 
32
6 
5 
4 
3 
30
12 
11 
10 
9
R327
4.7K
5%
0603
1  2
+3.3V
1
0603 
X7R 
16V 
10%
C417
0.1UF 25V Y5V /NI
FDD / PS2 CONN / FLASH
NF44X-A7
32  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 33
5
+5V
U4
20
VCC
DCDJ0
DCDJ0
RIJ0
ALFJ
STROBEJ
PDR0
PARINITJ
PDR7
SLCTINJ
SLCTJ 
PE 
BUSY 
ACKJ 
P_PRD7 
P_PRD6 
P_PRD5 
P_PRD4 
P_PRD3
-SLIN 
P_PRD2
-INIT 
P_PRD1 
ERRORJ 
P_PRD0 
AFD
-STB
CTSJ0
DTRJ0
RTSJ0
DSRJ0
TXD0
RXDJ0
DCDJ1
DSRJ1
TXD1
RIJ1
C72 100P 50V NPO 
C83 100P 50V NPO 
C85 100P 50V NPO 
C94 100P 50V NPO 
C100 100P 50V NPO 
C102 100P 50V NPO 
C110 100P 50V NPO 
C117 100P 50V NPO 
C125 100P 50V NPO 
C121 100P 50V NPO 
C127 100P 50V NPO 
C136 100P 50V NPO 
C137 100P 50V NPO 
C133 100P 50V NPO 
C139 100P 50V NPO 
C146 100P 50V NPO 
C145 100P 50V NPO
D  D
C  C
B  B
A  A
19
RY0
RIJ0
18
RY1
CTSJ0
17
RY2
DTRJ0
16
DA0
RTSJ0
15
DA1
DSRJ0
14
RY3
TXD0
13
DA2
RXDJ0
12
RY4
11
GND
ST75185CTR TSSOP
+5V
U7
20
VCC
DCDJ1
19
RY0
DSRJ1
18
RY1
RXDJ1
17
RY2
RTSJ1
16
DA0
15
DA1
CTSJ1
14
RY3
DTRJ1
13
DA2
RIJ1
12
RY4
11
GND
ST75185CTR TSSOP /NI
RN38 
22 8P4R
AFD
1  2
STROBEJ  -STB
3  4
PDR0  P_PRD0
5  6
PDR1  P_PRD1
7  8
RN30 
22 8P4R
PARINITJ  -INIT
1  2 
3  4 
5  6 
7  8
1  2 
3  4 
5  6 
7  8
RN24 
22 8P4R
IO_GND
P_PRD7 
P_PRD2 
P_PRD3
-SLIN
PDR7 
PDR2 
PDR3
PDR4  P_PRD4 
PDR5  P_PRD5 
PDR6  P_PRD6
5
VCC12
RA0 
RA1 
RA2 
DY0 
DY1 
RA3 
DY2 
RA4
VCC-12
VCC12
RA0 
RA1 
RA2 
DY0 
DY1 
RA3 
DY2 
RA4
VCC-12
1N4148 SMD
0.1UF 25V Y5V /NI
ERRORJ
ACKJ
BUSY
PE
SLCTJ
1 
2 
3 
4 
5 
6 
7 
8 
9 
10
1 
2 
3 
4 
5 
6 
7 
8 
9 
10
D2
C80
-12V +12V
-12V +12V
+5V
AK
-STB 
AFD 
P_PRD0 
ERRORJ 
P_PRD1
-INIT 
P_PRD2
-SLIN 
P_PRD3
P_PRD4 
P_PRD5 
P_PRD6 
P_PRD7 
ACKJ 
BUSY 
PE 
SLCTJ
R62
2.2K
4
DCDJ0_C 
RIJ0_C 
CTSJ0_C 
DTRJ0_C 
RTSJ0_C 
DSRJ0_C 
TXDJ0_C 
RXDJ0_C
DCDJ1_C 
DSRJ1_C 
RXDJ1_C 
RTSJ1_C 
TXDJ1_C
4
+5V
RN16
2.2K 8P4R
246
135
ADD FOR EMI PLACE NEAR C450
C410
0.1UF 25V Y5V /NI
C339
DCDJ0_C 
DSRJ0_C 
RXDJ0_C 
RTSJ0_C 
TXDJ0_C 
CTSJ0_C 
DTRJ0_C 
RIJ0_C
C40
RN29
RN23
2.2K 8P4R
2.2K 8P4R
246
8
246
8
8
135
7
135
7
7
2
R100  0 0805
IO_GND
246
135
DCDJ1_C 
DSRJ1_C 
RXDJ1_C 
RTSJ1_C 
TXDJ1_C 
CTSJ1_C 
DTRJ1_C 
RIJ1_C
8
RN37
2.2K 8P4R
7
IO_GND
G1
1 
6 
2 
7 
3 
8 
4 
9 
5
G2
JCOM1
D CONN 9PIN PC99
3
JCOM2
G1
1 
6 
2 
7 
3 
8 
4 
9 
5
G2
D CONN 9PIN PC99 /NI
IO_GND
JPRNT1
G1
1
14
2
15
3
16
4
17
5
18
6
19
7
G2
20
8
21
9 
22 
10 
23 
11 
24 
12 
25 
13
D CON 25PIN HIGH RISE PC99
G3
3
2
CN2
RTSJ0_C  TXDJ1_C
2  1
DSRJ0_C
4  3
TXDJ0_C
6  5
RXDJ0_C
8  7
100P 8P4C /NI
CN1
DCDJ0_C
2  1
RIJ0_C
4  3
CTSJ0_C
6  5
DTRJ0_C
8  7
100P 8P4C /NI
RN43
10K 8P4R
1  2
3  4
5  6
RIJ1_C
7  8
IO_GND
IO_GND
IO_GND
IO_GND
2
RIJ0_C
R30 0 0805
R56 0 0805
R176 0 0805
R109 0 0805
1
CN4
2  1
CTSJ1_C
4  3
DTRJ1_C
6  5
RIJ1_C
8  7
100P 8P4C /NI
CN3
RTSJ1_C
8  7
RXDJ1_C
6  5
DSRJ1_C
4  3
DCDJ1_C
2  1
100P 8P4C /NI
IO_GND
+3.3V_STBY
R108 
10K
SER_RI*
Q14
B
E  C
2N3904 SOT23
Title
Size Document Number  Rev
Custom
Date:  Sheet  of
SER_RI*  20
B
Q12
2N3904 SOT23
E  C
COM & LPT CONNECTOR
NF44X-A7
33  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 34
5
D  D
PLACE NEAR CONN
RN76
USB_4*
USB_4*
C  C
B  B
A  A
USB_5
5
7  8
USB_4
5  6
USB_5*
3  4
USB_5
1  2
10 8P4R
C207
10P 50V NPO /NI
PLACE NEAR CONN
USB_2
USB_2*
USB_2*
USB_3*  USB_D3--
USB_3*
USB_3
USB5V_1394_LAN
C213
10P 50V NPO /NI 
C206 
10P 50V NPO /NI
RN54 
10 8P4R
7  8 
5  6 
3  4 
1  2
10P 50V NPO /NI
4
C215 
10P 50V NPO /NI
C166
4
PLACE NEAR CONN
EMI CAPS
USB_4_FB* 
USB_4_FB 
USB_5_FB* 
USB_5_FB
USB_D2++
USB_D3++
C159 
10P 50V NPO /NI
C157
10P 50V NPO /NI 
C163 
10P 50V NPO /NI
0 0805 /NI
1
R133
USB_D3-USB_D3++
R126
1  2
5%
5.1K
BACK PANEL USB
JUSBLAN1A
B1 
B2 
B3 
B4
A1 
A2 
A3 
A4
+5V_STBY
JUSBV1
2
HEADER 1X3
FS2 
POLY FUSE 1.1A
BACK PANEL USB
1
1
C179
0603 
NPO 
25V 
5%
IO_GND IO_GND
470P 50V X7R /NI
0.1UF 25V Y5V
JUSB1
G3  G1
1 
2 
3 
4
G4  G2
USB CONN
3
R127 
10K
5% 
0603
1  2
VCC0 
DATA0DATA0+ 
GND0
VCC1 
DATA1DATA1+ 
GND1
RJ45USBA CONN
C183
0603 
NPO 
25V 
5%
5 
6 
7 
8
3
USB_BKPNL_5_4_OC*
G3
GND2
G4
GND3
G5
GND4
G6
GND5
R128
1  2
5.1K
1
C176 
100UF 16V 5X11 2mm
RDL 
ALUM 
10V 
20%
USB_D2-USB_D2++
IO_GND
USB_BKPNL_5_4_OC* 20
PWR SHOULD BE 75MIL MIN
IO_GND
USB_BKPNL_3_2_OC*
5%
R132 
10K
5% 
0603
1  2
2
USB_BKPNL_3_2_OC* 20
2
1
Title
USB CONN
Size Document Number  Rev
Custom
Date:  Sheet  of
NF44X-A7
34  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 35
5
4
3
2
1
RECOVERY HEADER
D  D
JUMPER 1-2
JUMPER REMOVED
NORMAL
RECOVERY
+3.3V
R252
1K /NI
5%
0603
1  2
Q43
+3.3V_STBY
FLASH_RECOVERY*
R345 
1K
1  2
ECB
PWRGD_SB
EMPTY
1
C429 
10UF 10V 0805 Y5V
0603 
X7R 
16V 
10%
R248
10K
5%
0603
1  2
PWRGD_SB 20
FLASH_RECOVERY*
PWRGD_PS
C  C
PWRGD_PS
R341
1  2
5.1K
CK8_PWRGD
5%
EMPTY
1
C427
R340
0.1UF 25V Y5V /NI
10K
5%
0603
0603
X7R 
16V 
10%
1  2
CK8_PWRGD 20
+5V_STBY
POWER SEQUENCING
B  B
+5V_STBY  +3.3V_DUAL
R342
10K
5%
0603
1  2
1
0.1UF 25V Y5V
0603
C425
X7R 
16V 
10%
Q39
2N3904 SOT23
1
C424
0.1UF 25V Y5V
0603 
X7R 
16V 
10%
2N3904 SOT23
ECB
+1.2V_HT
R332
HT_BASE
1  2
5%
1
C423
6.34K 1%
0.1UF 25V Y5V
0603 
X7R
A  A
16V 
10%
R331
10K
5%
0603
1  2
Q40
ECB
HT_VLD
EMPTY
1
C422
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
10%
HT_VLD  16
+5V_STBY
R344
1  2
0603 5%
33K
PWRGD_Q1
1
C428
0805 
Y5V 
10V 
+80/-20%
2N3904 SOT23
10UF 10V 0805 Y5V
R343 
22K
1  2
Q42
2N3904 SOT23
ECB
Title
POWER SEQUENCING
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
35  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 36
5
4
3
2
1
RGMII_MDC
RGMII_MDIO
RGMII_TXD0
RGMII_TXCTL
RGMII_TXCLK
RGMII_RXCTL
RGMII_RXCLK
R175  0
D4
1N4148 SMD
RGMII_RXD0 
RGMII_RXD1 
RGMII_RXD2 
RGMII_RXD3
MII_COL
MII_RXER
A K
C212 
1UF 10V Y5V
RESETT 
RGMII_MDIO
RGMII_RXD0
D  D
X1
25MHZ 20PF 30PPM /NI
CRYSTAL
C216  R148 330 
22P 50V NPO /NI
C  C
B  B
RGMII_MDIO
XTALFB
C214 
22P 50V NPO /NI
+3.3V_DUAL
R151
1.5K 1% /NI
R279 is reserved for 
8201CL/CP LED Mode 
Change to compatible 
with BL
R280 is reserved for 
ensuring 8201BL/CL/CP 
latch to UTP Mode.
R281 is reserved for 
ensuring 8201CL/CP 
latch to normal 
operation mode.
RGMII_25MHZ
RGMII_MDIO
RXD0
7  8
RXD1
5  6
RXD2
3  4
RXD3
1  2
RN67 
22 8P4R
RGMII_MDC 
RGMII_MDIO 
RGMII_TXD0 
RGMII_TXD1 
RGMII_TXD2 
RGMII_TXD3 
RGMII_TXCTL 
RGMII_TXCLK
R140 22
R141 22
MII_COL 
MII_CRS 
MII_RXER 
CLKOUT 
XTALFB
LINK_LED 
LED1 
LED2 
SPEED_LED 
LED3
PWFBIN 
AVDD2
LINK_LED 
MII_COL
MII_RXER 
MII_CRS
SPEED_LED 
LED3 
LED2 
LED1
U9
25
MDC
26
MDIO
6
TXD0
5
TXD1
4
TXD2
3
TXD3
2
TXEN
7
TXC
22
RXDV
RXD0
21
RXD0
RXD1
20
RXD1
RXD2
19
RXD2
RXD3
18
RXD3
16
RXC
1
COL
23
CRS
24
RXER/FXEN
46
X1
47
X2
9
LED0/PHYAD0
10
LED1/PHYAD1
12
LED2/PHYAD2
13
LED3/PHYAD3
15
LED4/PHYAD4
8
PWFBIN
14
DVDD33
11
DGND
17
DGND
RTL8201CL TQFP48
PHY address set to 00001h
AVDD2
R164 5.1K /NI  CT19 
R147 5.1K /NI 
R139 5.1K /NI
1  2
RN64
3  4
5.6K 8P4R
5  6 
7  8
AVDD2
AVDD2
C194
1UF 10V Y5V
FOR EMI
AVDD2
R182 5.1K 
R149 1.5K
F0R REST
0.1UF 25V Y5V
PWFBOUT
RTL8201
MII/SNIB/RTT3
AVDD2
AVDD33 
DVDD33
AGND 
AGND 
DGND
NC
TPRX+
TPRX-
TPTX-
TPTX+
RTSET
ISOLATE
RPTR
SPEED
DUPLEX
ANE
LDPS
RESETB
C223 
1UF 16V 0805 Y5V
32 
36 
48
29 
35 
45
27
31 
30
33 
34
28 
43 
40 
39 
38 
37 
41 
44 
42
SPEED 
DUPLEX 
ANE 
LDPS
LINK_LED 
MII_L 
ISOLATE 
RPTR
C211 
1UF 10V Y5V
PWFBOUT 
AVDD1 
AVDD2
RXIN+ 
RXIN-
TXDTXD+
RTL8201BL:R14-->5.9K 1% 
RTL8201CL:R14-->2K 1%
R153 2K 1%
ISOLATE 
RPTR 
SPEED 
DUPLEX 
ANE 
LDPS
F0R REST
MII_L 
RESETT
R184 0 /NI
RN78
1  2 
3  4 
5  6 
7  8
R155 5.6K 
R174 5.6K 
R173 5.6K 
R172 5.6K
RGMII_RESET* 20
5.6K 8P4R
AVDD2
AVDD2
RTL8201BL : R6(NC); C10(NC) 
RTL8201CL/CP : R6(0 ohm); C10(0.1uF)
PWFBOUT
R152 0
0.1UF 25V Y5V
TXD+ 
TXDRXIN+ 
RXIN-
R162
R154
51 1%
R159
R166
51 1%
51 1%
51 1%
C199
C208
0.1UF 25V Y5V
0.1UF 25V Y5V
NEAR PHY
FB2
BEAD 60 0805 1A 
C224 
1UF 10V Y5V
FB1
0 0805 
C204 
1UF 10V Y5V
AVDD1
FB3 
BEAD 60 0805 1A
AVDD2
PWFBIN
+3.3V_STBY
JUSBLAN1B
2
TX+/0+
GLED+
3
TX-/0-
4
RX+/1+
5
NC/2+
6
NC/2-
7
RX-/1-
8
NC/3+
9  G8
NC/3- GND
1
V_DAC
10
GNDP
RJ45USBA CONN
PWFBOUT
R150 0
0.1UF 25V Y5V 
RTL8201BL : R19(NC) 
RTL8201CL/CP : R19(0 ohm)
PWFBOUT
C205 
1UF 10V Y5V
C230 
1UF 16V 0805 Y5V
AVDD2
12 
11
GLED-
14
YLED+
13
YLED-
G1
GND
G2
GND
G7
GND
100UF 16V 5X11 2mm
R158 330
LINK_LED
R144 330
AVDD2
SPEED_LED
A  A
Title
Realtek 82801 LAN PHY
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
36  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 37
5
+5V_STBY
R24 
10K
D  D
SPEAKER STRAPS 
ROM TABLE SELECT
O = USER 
1 = SAFE (DEFAULT)
C  C
B  B
A  A
SPEAKER
SPEAKER
R426 
10K
P_HDLED*
S_HDLED*
SATA_HDLED*
Add FPQ7 to shift 
voltage level if the 
pin "SATA_LED" is 
non-5V tolerant.
+3.3V
FP_RESET*
R250
1  2
5%
0603
10K
+3.3V
D5  1N4148 SMD 
D6  1N4148 SMD
D7  1N4148 SMD
R328 10K
PS_ON*
RN104
1  2 
3  4 
5  6 
7  8
10K 8P4R
AK
AK
AK
470P 50V X7R /NI
+3.3V
R255 
0 /NI
2N3904 SOT23
SPK1
C432
EMI
470P 50V X7R /NI
R335 33
C426
EMI
470P 50V X7R /NI
Q58
C25
ECB
7
Stuff 
FPR4 for 
MiniPC 
design
+5V
1
4
-5V  +5V
+3.3V  +12V
JATXPWR1
13
3.3V
3.3V
14
3.3V
-12V
15
GND
GND
16
5V
PSON
17
GND
GND
18
5V
GND
19
GND
GND
20
POK
NC
21
5VSB
5V
22
12V
5V
23
12V
24
DET5VGND
POWER CONN ATX 24P
SPK_DAT
C439
EMI
470P 50V X7R /NI
JPANEL1
+5V_STBY
IRTX
HEADER 2X12 N_P18_20 /NI
1  2 
3  4 
5  6 
7  8
9  10 
11  12 
13  14 
15  16 
17 
19 
21  22 
23  24
RN105
100 8P4R
SPK_VCC
CRNT_LMT_HDDLED1 
HDD_LED-
+3.3V  +5V_STBY 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12
+5V  +3.3V
1
C371
0.1UF 25V Y5V
0.1UF 25V Y5V
PLACE NEAR C67 , 
J1394PWR1 , RN74
R333
56
0.1UF 25V Y5V
ADD FOR EMI
1
C187
0.1UF 25V Y5V
SLEEPBTNJ 20
C441
EMI
470P 50V X7R /NI
FP_8_10 
FP_12
C433
EMI
470P 50V X7R /NI
470P 50V X7R /NI
C430
+5V_STBY
1
C393
C434
EMI
PWRBTN* 29
3
EMPTY
R25
22K
5%
0603
1  2
PWRGD_PS
C27
470P 50V X7R /NI
1
C370
0.1UF 25V Y5V
PLACE NEAR R154
R361
PWRGD_PS 35,40
+5V
R357 
330 /NI
0 /NI
+3.3V_STBY
R183
5%
1K
BAT1 
BATTERY HOLDER-1
2
Q41
BAT54C SOT23
C421
1UF 10V Y5V
0603 
X7R 
16V 
10%
C419
0.1UF 25V Y5V /NI
C420
1UF 10V Y5V
0805
0603
Y5V
X7R
10V
16V
+80/-20%
10%
VBAT
1
VBAT  20,29,38
POWER CONN DECOUPING
+5V  +3.3V
+5V
C365
1
10%
+3.3V
1
CT34
1000UF 6.3V 8X12
+5V_STBY
RN103
1  2 
3  4 
5  6 
7  8
270 8P4R
Q52
ECB
RN99
1  2 
3  4 
5  6 
7  8
2.2K 8P4R
2N3904 SOT23
BASE_PNP_TR
ECB
Q46
Q51
2N3906 SOT23
SEL_LED_PWR
C
R337 10K
R348 2.2K
Changed at 
ver:0.02
+5V_STBY
E 
B
+2.5VDIMM
ACPI_LED 29
FP_8_10
FP_12
0.1UF 25V Y5V /NI
GND
2N3904 SOT23
ECB
ECB
Q61
Q59
2N3904 SOT23
C23
1
10%
0.1UF 25V Y5V /NI
GND
Stuffed, if w/ 
STR
Stuffed, if w/o
STR
2N3904 SOT23
Title
ATX PWR / FRONT PANEL
Size Document Number  Rev
Custom
5
4
3
2
Date:  Sheet  of
NF44X-A7
37  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 38
5
SMB_SDA
R55 
1K /NI
RN48
10K 8P4R
7  8 
5  6 
3  4 
1  2
+3.3V_STBY_1
RN2
7  8 
5  6 
3  4 
1  2
10K 8P4R
10K 8P4R
+3.3V_STBY
1
OV_DIMM0
2 
3 
4 
5 
6 
7 
8
9 
10 
11 
12 
13 
14
+5V_STBY
R106
1K
Q15 
2N3904 SOT23
+5V_STBY  +5V_STBY
R40
1K
ECB
+3.3V_STBY
Q2 
2N3904 SOT23
+5V_STBY
R351
1K
RN96
7  8 
5  6 
3  4 
1  2
+3.3V_STBY
U3
IT8203
3V_SB 
GPIO3 
GPIO4 
PGIO5 
VID_IN0 
VID_IN1 
VID_IN2 
VID_IN3 
VID_IN4 
GPIO0 
GPIO1 
GPIO2 
SDA 
SCL
IT8203R TSSOP28 /NI
ECB
Q13 
BT2222A SOT23
ECB
ECB
Q3 
BT2222A SOT23
Q49 
BT2222A SOT23
ECB
Q48 
2N3904 SOT23
+3.3V
D  D
RN11
1K 8P4R /NI
1  2
3  4
5  6
7  8
K8_VID0
C  C
B  B
A  A
OV_VCORE0
GPIO_2
GPIO_3
OV_LDTV1
5
TEST/ASEL
GPIO6 
GPIO7 
GPIO8
GPIO9 
VID_OUT0 
VID_OUT1 
VID_OUT2 
VID_OUT3 
VID_OUT4
VBAT
SLOTOCC#
RSTOUT#
R101
R47
ECB
GND
3K 1%
R44
1K
22.6K 1%
+5V_STBY
R105
1K
R352
1K
28 
27 
26 
25 
24 
23 
22 
21 
20 
19 
18 
17 
16 
15
4
R31
ECB
Q10 
2N3904 SOT23
Q5 
BT2222A SOT23
ECB
Q4 
2N3904 SOT23
+5V_STBY
ECB
Q56 
2N3904 SOT23
4
1K /NI
+2.6VDIMM_FB40
R99
12.1K 1%
ECB
Q11 
BT2222A SOT23
OVL  39
R52
1.5K 1%
ECB
ECB
Q57 
BT2222A SOT23
VLDT0  41 
VLDT1  41 
OV_CHIP0 41 
OV_CHIP1 41
VLDT0  41 
VLDT1  41
K8_VID4
K8_VID3
VID_OUT0 39 
VID_OUT1 39 
VID_OUT2 39 
VID_OUT3 39 
VID_OUT4 39
VBAT  20,29,37
FP_RESET* 20,37
+2.5VDIMM_FB
Default
 2.656V
2.752V
2.863V
2.959
VCORE_OVL
Default
 1.550V
1.602V
1.653V
1.705V
OV_CHIPCORE1
3
R45  1K
1
RN5 
1K 8P4R
VBAT  20,29,37
R32 
10M /NI
10M  ----->  FOR INTEL CHIP
R33
0 /NI
1UF 10V Y5V  ----->  FOR INTEL CHIP
DIMM0
DIMM1
-INT_G
-INT_H
1
1
1
0
1
0
0
VCORE1
VCORE0
 -INT_F
 -INT_E
1
0
1
0
1
0
0
+5V_STBY
R349
1K
RN95
7  8 
5  6 
3  4 
1  2
10K 8P4R
+3.3V_STBY
3
Q50 
2N3904 SOT23
VID_OUT4 39
VID_OUT3 39 
VID_OUT2 39 
VID_OUT1 39 
VID_OUT0 39
ECB
Q47 
BT2222A SOT23
ECB
+5V_STBY
R350
1K
Q55 
BT2222A SOT23
ECB
Q54 
2N3904 SOT23
2
C3
0.1UF 25V Y5V /NI
C4
0.1UF 25V Y5V /NI
C24
0.1UF 25V Y5V /NI
DUAL +5.0V
DUAL +3.3V
OV_CHIP0 41 
OV_CHIP1 41
ECB
2
Dimm over volgate  GPIO 16
OV_DIMM0
OV_DIMM1
1
10%
16V
X7R
1
10%
16V
X7R
1
10%
16V
X7R
GPIO 18
Default
2.9V
3.0V
POWER CONN DECOUPING
0603
0603
0603
1
1 
1
0
1
0
R167 22K 1% /NI
R168 12.1K 1% /NI
+5V  +3.3V
+3.3V
1
C388
0.1UF 25V Y5V /NI
+2.6VDIMM_FB40
+2.6VDIMM_FB40
C372
1
0.1UF 25V Y5V /NI 
C2
1
0.1UF 25V Y5V /NI 
C14
1
0.1UF 25V Y5V /NI
PLACE AT BACK PANEL
PLACE ALONG 75MIL TRACE
Title
Over Voltage IC
Size Document Number  Rev
Custom
Date:  Sheet  of
NF44X-A7
1
38  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 39
5
+3.3V
SS12/5817 SMA /NI
R59
R57
1K /NI
10K
D  D
CPU_CORE_FB
C  C
CPU_CORE_FB-
DAC version VRM10 pin VID12.5 pin
VRM10.0
VRM9.0
B  B
AMD HAMMER
VID4  VID3   VID2  VID1  VID0     Vout 
1     1      1      1      0 
1     1      1      0      1 
1     1      1      0      0  0.850 
1     1      0      1      1 
1     1      0      1      0
1     1      0      0      0 
1     0      1      1      1 
1     0      1      1      0
A  A
1     0      1      0      1 
1     0      1      0      0 
1     0      0      1      1 
1     0      0      1      0 
1     0      0      0      1 
1     0      0      0      0 
0     1      1      1      1
CPU_VREGPWRGD
VCORE_EN
high   Enable 
low   Disable
+V_CPU
high
low 
low  low
VID_OUT4
VCORE_EN
R19 
51
CPU_CORE_FB-
R18 
51
don't care
high
5
R34 5.6K
C12 
1000P 50V X7R /NI
OVL
1000P 50V X7R /NI
+5V
R11 10K 1%
0.800
0.825
0.875
0.900
0.925
0.950
0.975
1.000
1.050
1.075
1.200
1.125
1.150
1.175
RN8 
1K 8P4R /NI
1  2
3  4
5  6
7  8
0.1UF 25V Y5V
0.1UF 25V Y5V
4700P 50V X7R
470P 50V X7R
R20 1K
OVL
R13 100
R51 150K /NI 
R48 22K /NI
OFFSET 
+10mV
R58
C62
200K
0.01UF 50V X7R
R17 10K
C17
0.01UF 50V X7R
0.1UF 25V Y5V
VID4  VID3   VID2  VID1  VID0     Vout 
0     1      1      1      0 
0     1      1      0      1 
0     1      1      0      0 
0     1      0      1      1 
0     1      0      1      0 
0     1      0      0      1 
0     1      0      0      0 
0     0      1      1      1 
0     0      1      1      0 
0     0      1      0      1 
0     0      1      0      0 
0     0      0      1      1 
0     0      0      1      0 
0     0      0      0      1 
0     0      0      0      0 
1     1      1      1      1
38 
39 
40
1 
2
3 
35 
37
8
9
10
12
11
6
36
5
4 
13
14
15 
16
R3 39K 
R10 39K 
R2 39K
D1
U2 
ISL6566CR
VID4 
VID3 
VID2 
VID1 
VID0 
DACSEL/VID5 
PGOOD 
ENLL
COMP
FB
VDIFF
VSEN
RGND
OFST
FS 
REF
VRM10 
OCSET
ICOMP
ISUM 
IREF
4
4
+5V
R46
4.7 0805 
1UF 16V 0805 Y5V
7
33
PVCC1
30
VCC
BOOT1
31
UGATE1
29
PHASE1
32
ISEN1
34
LGATE1
24
PVCC2
26
BOOT2
27
UGATE2
28
PHASE2
25
ISEN2
23
LGATE2
Remove:2 
PHASE
4.7 0805
18
PVCC3
21
BOOT3
0.1UF 25V Y5V
20
UGATE3
22
PHASE3
19
ISEN3
17
LGATE3
GND
41
BOTTOM PAD CONNECT TO 
GND THROUGH 10vias
1.200
1.225
1.250
1.275
1.300
1.325
1.350
1.375
1.400
1.425
1.450
1.475
1.500
1.525
1.550 
OFF
3
ISL6566CR FOR K8 939 POWER CKT
+12V
R61
4.7 0805
R16
4.7 0805
C1
1UF 16V 0805 Y5V
C78
0.1UF 25V Y5V 
R97 2.7 0805 
R98 100K
R94 0 0805
1UF 16V 0805 Y5V
C58
0.1UF 25V Y5V 
R122 2.7 0805 
R115 100K
R123 0 0805
1UF 16V 0805 Y5V
R65 2.7 0805 
R68 100K
R49 0 0805
R53 2.7 0805
R60 1.8K
+12V
R54 2.7 0805
R39 1.8K  R124
+12V
R9
R8 2.7 0805
R6 1.8K
FDD8880 TO252
FDD8880 TO252
VIN
D
G
VIN
D
G
D
G
Q17
VIN
D
G
D
G
Q7
Q8
C60 
1UF 16V 0805 Y5V /NI
FDD8880 TO252
G
Q9
FDD8880 TO252
Q16
C153 
1UF 16V 0805 Y5V /NI
FDD8880 TO252
Q6
C57 
1UF 16V 0805 Y5V /NI
FDD8880 TO252
+12V_P
+12V
D
over voltage , control from ATXP01
R4  6.65K 1%
OV_VCORE0
R5  3.48K 1%
OV_VCORE1
R12  16K 1%
OV_VCORE2
3
JATXPWR2
1
1
2  3
2  3
5  6
H1 H2
POWER CONN ATX12V 2X2
INDUCTOR 1.1UH 30A D
R93
2.7 0805
C119 
1000P 50V X7R
INDUCTOR 1.1UH 30A D
2.7 0805
C171 
1000P 50V X7R
INDUCTOR 1.1UH 30A D
R50
2.7 0805
C59 
1000P 50V X7R
4
4
2  1
2  1
2  1
OVL 
OVL 
OVL
1UF 16V 0805 Y5V /NI
L3
L4
L2
2
+12V_P
C52
+
+
3300UF 6.3V 10X25X5 LR O
2
1
L1
INDUCTOR 1.0UH
2
CT10
CT17
+
+
CT46
1500UF 16V 10X20X5 LR O /NI
CT11
3300UF 6.3V 10X25X5 LR O
CT14
+
3300UF 6.3V 10X25X5 LR O
1500UF 16V 10X20X5 LR O
+V_CPU
0.8V~1.55V/80A
CT9
+
3300UF 6.3V 10X25X5 LR O
CT16
CT12
+
3300UF 6.3V 10X25X5 LR O
Title
VCC_CORE DC-DC CONVER
Size Document Number  Rev
Custom
Date:  Sheet  of
CT7
+
+
1500UF 16V 10X20X5 LR O
1500UF 16V 10X20X5 LR O
NF44X-A7
1
VIN
C118 
1UF 16V 0805 Y5V /NI
39  43
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 40
5
4
3
2
1
B
2N3904 SOT23
+5V_STBY
G
C158
Q32
S23
R131 
1K
D
MEM_VDD 
MEM_STR
+12V
R204 1K
DUALS_FET_GATE
C
E
NDS352AP SOT23 G 
R134 10K
C172
1UF 10V Y5V 
Q20 
NDS351N SOT23
Q34
+3.3V_STBY_1
Q22
2N3904 SOT23
G
R137 
1K
LM431 SOT23
+3.3V
Q37
FDD8880 TO252
+3.3V_DUAL
D  S
+3.3V_DUAL
D
D
Q36 
NDS352AP SOT23G 
+5V_STBY
+12V
R138 
1K
Q23 
BAT54C SOT23
D
G
R177
R1
Q24
1K 1%
R
A  C
R171 
16K 1%
R2
VOUT=2.5*(1+R1/R2)=2.65
+2.5VDIMM
1
1
CT15
CT6
RDL
RDL
ALUM
ALUM
10V
16V
20%
20%
1000UF 6.3V 8X12
1000UF 6.3V 8X12 /NI
1
CT30
C301
1000UF 6.3V 8X12
1UF 10V Y5V
RDL
1206
ALUM
X7R
6.3V
16V
20%
10%
Q35 
FDD8880 TO252
+2.5VDIMM
R157 0 /NI
VDDIO_SENSE 9
+2.6VDIMM_FB 38
CONNECT FEEDBACK NEAR LOAD
1
1
1
CT13
CT8
RDL
RDL
RDL
ALUM
ALUM
ALUM
16V
16V
16V
20%
20%
20%
1000UF 6.3V 8X12
1000UF 6.3V 8X12 /NI
CT18
1000UF 6.3V 8X12 /NI
+5V_STBY
R192 
47K
5%
2N3904 SOT23
2N3904 SOT23
SLP_S5*
0603
1  2
Q28
C
B
S23
E
Q27
C
B
S23
E
+5V_STBY
R110 
10K /NI
SLP_S5*
47K
R111
C162
C165
1UF 10V Y5V /NI
1UF 10V Y5V /NI
10UF 10V 0805 Y5V
D  D
PWRGD_PS
PWRGD_PS
R188
5%0603
10K
C232
3900P 50V X7R /NI
+5V_STBY
R191 
1K /NI
+1.2V_HT
R181
+1.25VTT
1
+
2
-
CT4
100UF 16V 5X11 2mm /NI
06031K5%
C222
0.1UF 25V Y5V /NI
1
+
+
2
-
-
CT5
100UF 16V 5X11 2mm /NI
0603 
X7R 
16V 
10%
1 
2
+5V_STBY
CT44
100UF 16V 5X11 2mm
C  C
+2.5VDIMM
C587
1UF 10V Y5V /NI
U17
+
567
8
RT9173C SOP8EXP
VCTL
VCTL
VCTL
VCTL
9
GND_PAD
Vin
Ref
VOUT
GND
+1.25VTT
134
2
R423 
1K 1% /NI 
C588
1UF 10V Y5V /NI
+5V_STBY
B  B
C26
1
+
2
-
1UF 16V 0805 Y5V
CT28
100UF 16V 5X11 2mm /NI
2 1
+2.5VDIMM
VTT_MEM
R424 
100K
R425 
100K
VTT_MEM
1
+
2
-
CT27
1000UF 6.3V 8X12
CT25
1000UF 6.3V 8X12
A  A
+1.25VTT
0.1UF 25V Y5V /NI
C7
C44
1UF 10V Y5V
5
C8
0.1UF 25V Y5V /NI
4
+V_CPU
BTC1
100UF 6.3V D TAN
Title
PLL DELAY / PWRGD / MEM VREG
Size Document Number  Rev
Custom
3
2
Date:  Sheet  of
NF44X-A7
1
1.2
40  43
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 41
5
4
3
2
1
RH TYPE BEAD
Q26
FDD8880 TO252 
R187
0 0805
R179 
0 0805 
FDD8880 TO252
PHASE
C_ENBL1
B
1UF 10V Y5V /NI
C253
1206 
X7R 
16V 
10%
+5V
L6
PHASE
Q29
1UF 10V Y5V /NI
C252
1206 
X7R 
16V 
10%
4
CT22
+
1000UF 6.3V 8X12
D3
AK
SS12/5817 SMA
1000UF 6.3V 8X12
CT23
+
C231 
1UF 10V Y5V
C201
0.1UF 25V Y5V 
INDUCTOR 1UH D
L5
R180
CT26
2.7 0805
C219
1000UF 6.3V 8X12  R163 3.48K 1%
1000UF 6.3V 8X12
+1.5V
CT24
+
+
1000P 50V X7R
ADD AN ENABLE CKT - LOW IS OFF
3.3V MUST BE PWR ON BEFOR 5.0V 
OR SOFT START WILL NOT WORK.
+3.3V
R189
1  2
0603 5%
1K
0.1UF 25V Y5V /NI
0603 
X7R 
16V 
5%
R143  22K 1% /NI
VLDT1
R142  12.1K 1% /NI
VLDT0
R160
R1
301 1%
R165 1.5K 1%
Vout=0.8(1+R1/R2)----for RT9202
R169
R1 , R2 
R2
330 1%
HT
1.2V @ 850MA AMPS MAX
+2.5VDDA
Q18
2N7002 SOT23
REF_2.5V
2N3904 SOT23
R145 
680
R146 
649 1%
3
OV_CHIP0 38
OV_CHIP1 38
 ぃ璶匡禬筁 
+12V  +5V
R129
5.1K
C
Q19
E
+12V
0.1UF 25V Y5V
8
5
+
7
6
-
U8B 
LM358 SO8
R178 1K
R419 
0 /NI
B
R121 4.7K
2N3904 SOT23
C188
G
0.1UF 25V Y5V /NI
 K ohm
Q21
+3.3V
D
+1.2V_HT
+1.25VTT
C242
R130
5.1K
C
E
Q25 
FDD8880 TO252
CT21
+
1000UF 6.3V 8X12
B
1
0.1UF 25V Y5V /NI
U15
AZ1117H-ADJ SOT-223
EMPTY
C180 
1UF 10V Y5V /NI
0805 
X7R 
10V 
20%
C238
+1.2V_HT
+5V_STBY
I 
O 
A
EMPTY
R136 
10K /NI
5% 
0603
1  2
2
C233
0.1UF 25V Y5V /NI
C190
0.1UF 25V Y5V
C240
0.1UF 25V Y5V
+1.2V_HT
ADD FOR EMI 
PLACE NEAR C237
+3.3V
C431
CT20
+3.3V_STBY
RN164
1  2 
3  4 
5  6 
7  8
0 8P4R /NI
1
CT37 
1000UF 6.3V 8X12 /NI
R135
5%
0603
10K
CK804 CORE
+
1000UF 6.3V 8X12
+3.3V_STBY_1
Q33
AZ1117H-ADJ SOT-223
HTVDD_EN 16
NF44X-A7
+5V_STBY
I 
O 
A
0.1UF 25V Y5V
+3.3V_STBY
R347
200C251 
R346 
330
1  2
1
C175 
1UF 16V 0805 Y5V
1206 
X7R
6.3V 
10%
Title
Size Document Number  Rev
Custom
Date:  Sheet  of
+3.3V_STBY_1
1
R418 
200 1%
R41
1000UF 6.3V 8X12
360 1%
41  43
1
+
2
-
CT29
1.2
CK804 CORE
D  D
8AMP @1.5V
1UF 16V 0805 Y5V /NI
+12V
C260
VIN_5V
R170 
20K /NI
7
C  C
钡 癬ノ  
VIA
GND
COMP
5
BOOT
UGATE
VCC
PHASE
GND
LGATE
RT9214 SOP8
3
U10
R156 22K
1 
2 
8
4
+3.3V_DUAL
R190 
10K
5% 
0603
1  2
B
2N3904 SOT23
C
Q31
E
C
Q30
E
2N3904 SOT23
B  B
CK804 CORE AUX
1.5V @ 275MA MAX
+1.5V_DUAL
+3.3V_DUAL
A  A
U14
AZ1117H-ADJ SOT-223
5
R336
R334 
200 1%
1K 1%
1
C403 
100UF 16V 5X11 2mm
I 
O 
A
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 42
5
+5V
JUSBV2 
HEADER 1X3
123
FS4
D  D
USB_9*
USB_9*
USB_9
RN91A 10 8P4R
RN91B 10 8P4R
10P 50V NPO
C  C
POLY FUSE 1.1A
C380
1812
C381
10P 50V NPO
B  B
+5V_STBY
1
R321
THERM
0 0805 /NI
5% 
0805
1  2
USBPWR_FNTPNL1_2
1
C386
0603 
NPO 
25V 
5%
470P 50V X7R /NI
JUSB4
1  2 
3  4 
5  6 
7  8
HEADER 2X5 N9 W
4
FP_USB_5V
FRONT PANEL USB
RN91C 10 8P4R 
RN91D  10 8P4R
10
C383
C368
10P 50V NPO
10P 50V NPO
R262
5.1K
USB_FNTPNL_8_9_OC*
R261
10K
USB_8*
USB_8*  20
USB_8
USB_8  20
3
2
FRONT PANEL USB
USBPWR_FNTPNL1_2
1
C391
0603 
NPO 
25V 
5%
USB_FNTPNL_8_9_OC* 20
USB_0*  USB_1*  20
USB_0* 
USB_0
10P 50V NPO
RN88C
C367
470P 50V X7R /NI
C382
HEADER 2X5 N9 W
JUSB2
1  2 
3  4 
5  6 
7  8
10
10P 50V NPO
FP_USB_5V
1
R307 
0 0805 /NI
5% 
0805
1  2
FS3
THERM
1812
POLY FUSE 1.1A
USBPWR_FNTPNL1_2
C385
470P 50V X7R /NI
JUSB3
C376
1  2 
3  4 
5  6 
7  8
HEADER 2X5 N9 W
10
USB_7*
USB_7
USB_7
10P 50V NPO
RN89D
C377
R287
5.1K
CT35
100UF 16V 5X11 2mm
RN88B
C375
C374
10P 50V NPO
10P 50V NPO
FRONT PANEL USB
R296
5.1K
RN89B
C379
C378
10P 50V NPO
USB_FNTPNL_1_0_OC*
R284
10K
USB_1* 
USB_1
USB_FNTPNL_7_6_OC*
R288
10K
USB_6* 
USB_6
USB_1  20
1
USB_FNTPNL_1_0_OC* 20
USB_FNTPNL_7_6_OC* 20
USB_6*  20  20
10P 50V NPO
A  A
5
4
3
10P 50V NPO
Title
Size Document Number  Rev
Custom
2
Date:  Sheet  of
FRONT USB
NF44X-A7
42  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com 
Page 43
5
D  D
C  C
4
JKBMSV1(1_2) 
JUMPER 2P R
JUSBV1(1_2) 
JUMPER 2P R
JUSBV2(1_2) 
JUMPER 2P R
JFAUDIO1(5_6) 
JUMPER 2P B
JFAUDIO1(9_10) 
JUMPER 2P B
JFAUDIO1(11_12) 
JUMPER 2P B
JFAUDIO1(13_14) 
JUMPER 2P B
JCMOS1(1_2) 
JUMPER 2P B
PCB
PCB
NF44X-A7 V1.2 
(PCB)
(BAT1)
筿 
3V BATTERY SONY
(ROM1)
FLASH ROM
PLCC 2MF+L 
(CPU1)
K8RM
(U11)
 爵床荐  
NBLF-SLIM
3
2
New JPANEL1
JPANEL1 2*11
JPANEL1(12_14) 
HEADER 1X3 /NI
JPANEL1(1_4)
SPK /NI
JPANEL1(15_17) 
PLED /NI
JPANEL1(5_6)
HLED /NI
JPANEL1(18_19) 
HEADER 1X2 /NI
JPANEL1(7_8) 
RST /NI
JPANEL1(9_11_20_22) 
IR /NI
1
獁粗
B  B
A  A
5
POLON 305x205
4
3
New JPANEL1
JPANEL1 2*12
JPANEL1(2_4)
HEADER 1X2
JPANEL1(6_8_10_12) 
PLED
JPANEL1(1_3_5_7)
SPK
JPANEL1(9_11)
HLED
2
ぃ 
IR
JPANEL1(14_16) 
HEADER 1X2
JPANEL1(19_24)
JPANEL1(13_15) 
RST
IR /NI
Title
BOM
Size Document Number  Rev
Custom
Date:  Sheet  of
NF44X-A7
43  43
1
1.2
PDF created with pdfFactory Pro trial version www.pdffactory.com