
1
2
3
4
5
6
7
8
661FX-M
A A
Revision History :
1. Ver A: Initial
2. Ver 1.0:
B B
C C
Change AUDIO1 header location
REV:1.0
Cover Sheet
1.
Block Diagram
2.
Clock & Power Distribution
3.
Socket478-1
4.
Socket478-2
5.
6.
Decoupling Circuit
7.
SiS661FX-1 (HOST / AGP)
8.
SiS661FX-2 (Memory)
9.
SiS661FX-3 (VGA / HyperZip)
SiS661FX-4 (Power)
10.
11.
SiS964-1 (PCI / IDE / HyperZip)
SiS964-2 (Misc. Signals)
12.
13.
SiS964-3 (USB)
14.
SiS964-4 (Power)
Main Clock
15.
Clock Buffer
16.
17.
DDR DIMM 1, 2
DDR Termination
18.
AGP slot
19.
20.
VGA / IDE Connectors
21.
USB Connector
PCI Slot1, 2
22.
PCI Slot3 / CNR
23.
LAN PHY
24.
Page Index
============
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
Audio Codec
Audio Interface
Super I/O
KB/MS/ROM/FDC
COM 1/ LPT
HM/FAN/RING/LPC
Voltage Regulator
DUAL 5V, 3V& SB Regulator
VRD10 (CPU Vcore)
ATX / Panel / RTC
SIGNATURE
DESIGNER
D D
Ja cy 10/10/2003
DATE
LAYOUT
Elitegroup Computer Systems
CHECK
APPROVAL
1
2
3
4
5
6
Title
Size Document Number Re v
Custom
Date: Sheet
7
661FX-M
Cover Sheet
of
134Monday, December 08, 2003
8
A

1
2
3
4
5
6
7
8
A A
SOCKET-478
Northwood+Prescott
FSB800
VGA
CONN
AGP
SLOT
VGA
AGP 4X/8X
SiS660FX
SiS661FX
SiS648FX
DDR400
DIMM 1, 2
MuTIOL@1G
B B
PCI Slot 1, 2, 3
AC'97 6CH
RJ45
LAN PHY
RTL8201BL
AUDIO CODEC
MOUSE / KEY BOARD
PCI
AC LINK
PS/2
SiS964
SiS964L
LPC
ATA133
SATA 1.0
USB 2.0
IDE CONN 1, 2
SATA CONN 1, 2
USB Port 1, 3
USB Port 6, 7
USB Port 0, 2
USB Port 4, 5
C C
Hardware Monitor
FRONT PANEL BACK PANEL
Super I/O
FAN (2)
FLASH ROM
D D
1
2
3
4
PARALLEL
SERIAL
(1)
(1)
FLOPPY
CONN
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
5
6
Date: Sheet
7
661FX-M
Block Diagram
A
of
234Monday, December 08, 2003
8

1
2
3
4
5
6
7
8
CPU
100/133/200 MHz
A A
100/133/200 MHz
66 MHz
66 MHz
CPUCLK * 2
CPU Vcore
VCCVID 3.3V 5V SB5V
AGP Slot
VDDQ
North Bridge
CPUCLK * 2
133 MHz
133 MHz
AGPCLK
ZCLK
VOSCI (VGA)
FWDSDCLKO
100 MHz
South Bridge
B B
Main
Clock
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
C C
12 MHz
32.768 kHz
25 MHz
24.576 MHz
ZCLK
SATACLK * 2
PCICLK
OSCI (Legacy I/O)
USBCLK
RTCCLK
LAN
LANCLK
1394
1394CLK
BIT_CLK
Clock
Buffer
CLK_IN
FB_IN
FB_OUT
AUDIO
CODEC
BIT_CLK
CLK_IN
To South Bridge
DIMM1
DIMM2
AUX_IVDD
DDR Vtt
VCC1.8V
To IC Chipsets
To South Bridge
2.5V Dual
Switch
LDO
(RT9173)
2.5V to 1.25V
LDO
(2N3904)
3.3V_Dual to 1.5V_Dual
VCC3_DUAL
SB1.8V
Super I/O
SIOCLK
CLK24M
To USB & PS2 Keyboard / Mouse
PCI Slot 1, 2, 3
VRD10
(ADP3180)
0.8375 ~ 1.55V
LDO
(2N7002)
3.3V to 1.2V
LDO
(3055)
1.8V to 1.5V
LDO
(20N03)
3.3V to 2.5V
LDO
(AMS1117)
SB5V to SB2.5V
Switcher
(34063+3055)
3.3V to 1.8V
LDO
(AMS1084)
SB5V to 3.3V_ Dual
LDO
(AMS1117)
SB5V to SB1.8V
VCC_DUAL
ATX Power Connector
12V
5V Dual
Switch
24 MHz
14.318 MHz
14.318 MHz
D D
1
14.318 MHz
14.318 MHz
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
2
3
4
5
6
Date: Sheet
7
661FX-M
Clock & Power Distribution
334Tuesday, October 14, 2003
8
A
of

1
2
3
4
5
6
7
8
HD-[0..63]
HA-[3..31]
VID[0..5]
HREQ-[0..4]
A A
B B
C C
VCCP
J26
HA35
DEP0
HA34
HA33
HA32
HA31
HA30
HA29
HA28
HA27
HA26
HA25
HA24
HA23
HA22
HA21
HA20
HA19
HA18
HA17
HA16
HA15
HA14
HA13
HA12
HA11
HA10
REQ4
REQ3
REQ2
REQ1
REQ0
BPM5
BPM4
BPM3
BPM2
BPM1
BPM0
TESTHI12
TESTHI11
TESTHI10
TESTHI9
TESTHI8
TESTHI7
TESTHI6
TESTHI5
TESTHI4
TESTHI3
TESTHI2
TESTHI1
TESTHI0
VSS
VSS
C15
C17
C19
HA9
HA8
HA7
HA6
HA5
HA4
HA3
VID0
VID1
VID2
VID3
VID4
VID5
VSS
C2
VSS
CPU1A
AB1
Y1
W2
V3
U4
T5
W1
R6
V2
T4
U3
P6
U1
T2
R3
P4
P3
R2
T1
N5
N4
N2
M1
N1
M4
M3
L2
M6
L3
K1
L6
K4
K2
AE5
AE4
AE3
AE2
AE1
AD3
H3
J3
J4
K5
J1
AB4
AA5
Y6
AC4
AB5
AC6
AD25
A6
Y3
W4
U6
AB22
AA20
AC23
AC24
AC20
AC21
AA2
AD24
ZIF478-15U
HA-31
HA-30
HA-29
HA-28
HA-27
HA-26
HA-25
HA-24
HA-23
HA-22
HA-21
HA-20
HA-19
HA-18
HA-16
HA-15
HA-14
HA-13
HA-12
HA-11
HA-10
HA-9
HA-8
HA-7
HA-6
HA-5
HA-4
HA-3
VID0
VID1
VID2
VID3
VID4
VID5
HREQ-4
HREQ-3
HREQ-2
HREQ-1
HREQ-0
L25
K26
A10
A12
A14
A16
A18
A20
AA10
AA12
AA14
AA16
AA18
AA8
AB11
AB13
AB15
AB17
AB19
AB7
AB9
AC10
AC12
AC14
AC16
AC18
AC8
AD11
AD13
AD15
AD17
AD19
AD7
AD9
AE10
AE12
AE14
AE16
AE18
AE20
AE6
AE8
AF11
AF13
AF15
AF17
AF19
AF2
AF21
AF5
AF7
AF9
B11
B13
B15
B17
B19
C10
C12
C14
C16
C18
C20
D11
D13
D15
D17
D19
E10
E12
E14
E16
E18
E20
F11
F13
F15
HD-0
B21
HD0
VCC
VCC
VCC
VCC
VCC
VCC
VCCA8VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCCB7VCCB9VCC
VCC
VCC
VCC
VCC
VCC
VCCC8VCC
VCC
VCC
VCC
VCC
VCCD7VCCD9VCC
VCC
VCC
VCC
VCC
VCC
VCCE8VCC
VCC
HD-1
B22
W26
W25
AA25
AA22
AA24
A23
A25
C21
D22
B24
C23
C24
B25
G22
H21
C26
D23
D25
H22
E24
G23
F23
F24
E25
F26
D26
L21
G26
H24
M21
L22
K23
H25
M23
N22
P21
M24
N23
M26
N26
N25
R21
P24
R25
R24
T26
T25
T22
T23
U26
U24
U23
V25
U21
V22
V24
Y26
Y23
Y24
Y21
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
J21
HD14
HD15
HD16
HD17
HD18
HD19
HD20
HD21
HD22
HD23
HD24
HD25
HD26
HD27
HD28
J24
HD29
HD30
HD31
HD32
HD33
HD34
HD35
HD36
HD37
HD38
HD39
HD40
HD41
HD42
HD43
HD44
HD45
HD46
HD47
HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63
F1
RS0
G5
RS1
F4
RS2
VSSH1VSSH4VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSA3VSSA9VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
BOOTSELECT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
OPTIMIZED/COMPAT#
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
SKTOCC#
A11
A13
A15
A17
A19
A21
A24
H23
H26
A26
AA1
AA11
AA13
AA15
AA17
AA19
AA23
AA26
AA4
AA7
AA9
AB10
AB12
AB14
AB16
AB18
AB20
AB21
AB24
AB3
AB6
AB8
AC2
AC5
AC7
AC9
AC11
AC13
AC15
AC17
AC19
AC22
AC25
AD1
AD10
AD12
AD14
AD16
AD18
BOOTSEL <33>
AD21
AD23
AD4
AD8
AE11
AE13
AE15
AE17
AE19
AE22
AE24
.
AE26
AE7
R129
0-O
AF1
AE9
AF10
AF12
AF14
AF16
AF18
AF20
AF26
HD-2
HD-3
HD-4
HD-5
HD-6
HD-7
HD-8
HD-9
HD-10
HD-11
HD-12
HD-13
HD-14
HD-15
HD-16
HD-17
HD-18 HA-17
HD-19
HD-20
HD-21
HD-22
HD-23
HD-24
HD-25
HD-26
HD-27
HD-28
HD-29
HD-30
HD-31
HD-32
HD-33
HD-34
HD-35
HD-36
HD-37
HD-38
HD-39
HD-40
HD-41
HD-42
HD-43
HD-44
HD-45
HD-46
HD-47
HD-48
HD-49
HD-50
HD-51
HD-52
HD-53
HD-54
HD-55
HD-56
HD-57
HD-58
HD-59
HD-60
HD-61
HD-62
HD-63
RS-0
RS-1
RS-2
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
B10
B12
B14
B16
B18
AF6
AF8
K25
F17
F19
F9
VCC
VCC
VCC
DEP3
DEP2
DEP1
VSS
VSS
VSS
VSSB4VSSB8VSS
VSS
B20
B23
B26
C11
C13
RN18 62-8P4R
7 8
5 6
3 4
1 2
RN19 62-8P4R
7 8
5 6
3 4
1 2
RS-[0..2]
RN171K-8P4R
12
34
56
78
.
R1471K-1
.
R1321K-1
.
R18461.9-1
.
R13161.9-1
HD-[0..63] <7>
HA-[3..31] <7>
VID[0..5] <33>
HREQ-[0..4] <7>
RS-[0..2] <7>
VCC3
VCCP
TESTHI12 <5>
TESTHI0 <5>
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Socket478-1
A
of
434Tuesday, October 14, 2003
8

1
2
3
4
5
6
7
8
Place in the CPU cavity
VCCP
.
R162
100-1
A A
C125
220P
BC38
1U
R159
.
169-1
DBI-[0..3]
HDSTBN-[0..3]
HDSTBP-[0..3]
HASTB-[0..1]
DBI-[0..3] <7>
HDSTBN-[0..3] <7>
HDSTBP-[0..3] <7>
HASTB-[0..1] <7>
GTLREF GENERATION CIRCUITS
Place near to CPU1
F6
GTLREF3
VSS
R23
R26
CPU1B
IERR
MCERR
FERR
STPCLK
BINIT
DBSY
DRDY
TRDY
LOCK
BRO
BNR
HITM
DEFER
TRST
TDO
PROCHOT
IGNNE
A20M
PWRGOOD
RESET
THERMDA
THERMDC
THERMTRIP
BSEL0
BSEL1
VCCVID
VCCVIDPRG
VIDPWRGD
INIT
RSP
ADS
BPR
TCK
TMS
SLP
AP0
AP1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
HIT
TDI
SMI
AC3
V6
B6
Y4
AA3
W5
AB2
H5
H2
J6
G1
G4
H6
G2
F3
E3
D2
E2
D4
C1
F7
E6
D5
C3
B2
B5
C6
AB26
AB23
AB25
B3
C4
A2
AD6
AD5
AC1
V5
AF4
AF3
AD2
Y5
Y25
Y22
Y2
W6
W3
W24
W21
V4
V26
V23
V1
U5
U25
U22
U2
T6
T3
T24
T21
R4
ZIF478-15U
FERRSTPCLK-
INITDBSY-
DRDYHTRDYADSHLOCKBREQ0BNRHITHITMBPRIDEFERHTCK
HTDI
HTMS
HTRSTHTDO
PROCHOTIGNNESMIA20MCPUSLPCPUPWRGD
CPURST-
THERMTRIP-
VIDPWRGD
BSEL0
BSEL1
VCCVID
FERR- <12>
STPCLK- <12>
INIT- <12>
DBSY- <7>
DRDY- <7>
HTRDY- <7>
ADS- <7>
HLOCK- <7>
BREQ0- <7>
BNR- <7>
HIT- <7>
HITM- <7>
BPRI- <7>
DEFER- <7>
PROCHOT- <12>
IGNNE- <12>
SMI- <12>
A20M- <12>
CPUSLP- <12>
CPUPWRGD <7>
CPURST- <7>
CPUTMP_A <27,30>
CPUTMP_C <27,30>
THERMTRIP- <12>
R86
.
1K-1
R93
.
1K-1
VCCVID
R336
8.2K-O
.
VCC3
BSEL0 <15>
VCC3
BSEL1 <15>
C288
1U-08-O
VCCP
VIDPWRGD
RN25 56-8P4R
1 2
3 4
5 6
7 8
RN24 56-8P4R
1 2
3 4
5 6
7 8
RN26 56-8P4R
1 2
3 4
5 6
7 8
RN16 62-8P4R
7 8
5 6
3 4
1 2
R182
R130
R111
R183
R181
R180
C133
1U-08
.
.
.
.
.
.
Near CPU
61.9-1
301-1
150-1
150-1
56
680
+12V VCC3
.
R166
10K-1
VRDEN
DS
MN15
2N7002-S-O
G
.
R155
2.2K-O
VRDEN <33>
C134
1.5K-1
PROCHOTNMI
SMIA20M-
STPCLKINITINTR
IGNNE-
FERRHTMS
HTDO
BREQ0-
CPURST-
G
HTCK
HTRST-
VCCVID
.
DS
CPUSLP-
THERMTRIPCPUPWRGD
DBR
HTDI
R167
10K
MN10
2N7002-S-O
TESTHI0<4>
TESTHI12<4>
SB5V
.
R337
2.2K-O
B
QN18
2N3904-S-O
E C
AA21
AA6
VSS
VSSN3VSSN6VSSP2VSS
N24
F20
C22
GTLREF0
GTLREF1
GTLREF2
VSS
VSSP5VSSR1VSS
P22
P25
C25
D10
D12
D14
D16
D18
D20
D21
VCCP
L28 IND-4.7U-08
L29 IND-4.7U-08
B B
+
MC11 10U-10V-08
NMI<12>
INTR<12>
CPUCLK-<15>
CPUCLK<15>
HASTB-1
HASTB-0
DBR
NMI
INTR
CPUCLKCPUCLK
R173 61.9-1
R164 61.9-1
R173, R164
COMPATIBLE
OPTIMIZED
C C
D D
49.9_1%
61.9_1%
.
.
DBI-3
DBI-2
DBI-1
DBI-0
HDSTBP-3
HDSTBP-2
HDSTBP-1
HDSTBP-0
HDSTBN-3
HDSTBN-2
HDSTBN-1
HDSTBN-0
AE23
AD20
AD22
AC26
AD26
AE25
AF23
AF22
W23
W22
V21
P26
G25
E21
R5
L5
E5
D1
P1
L24
P23
J23
F21
R22
K22
E22
A5
A4
E11
E13
E15
E17
E19
E23
E26
E4
E7
E9
F10
F12
F14
F16
F18
F2
F22
F25
F5
F8
G21
G24
G3
VCCIOPLL
VCCA
VSSA
ITP_CLK0
ITP_CLK1
DB#3
DB#2
DB#1
DB#0
ADSTB1
ADSTB0
DBRESET
LINT1
LINT0
BCLK1
BCLK0
COMP1
COMP0
STBP3
STBP2
STBP1
STBP0
STBN3
STBN2
STBN1
STBN0
VCC_SENSE
VSS_SENSE
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSG6VSSJ2VSS
J22
VSS
J25
VSS
VSSC5VSSC7VSSC9VSS
VSSJ5VSS
VSS
K21
K24
VSSK3VSSK6VSSL1VSS
VSS
D24
VSS
VSS
VSS
VSS
VSS
VSS
VSSD3VSSD6VSSD8VSSE1VSS
VSS
VSSL4VSSM2VSS
VSS
VSSM5VSS
L23
L26
N21
M22
M25
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Socket478-2
A
of
534Tuesday, October 14, 2003
8

1
Put these capacitors at processor NORTH SIDE
VCCP
2
3
4
5
6
7
8
Put these capacitors INSIDE PROCESSOR CAVITY
VCCP
MC7
A A
10U-10V-08
MC9
10U-10V-08
Put these capacitors at processor SOUTH SIDE
VCCP
B B
MC24
10U-10V-08
MC22
10U-10V-08
MC20
10U-10V-08
P.S. Choose X7R/X5R components instead of Y5V for all 10uF_1206 capacitors on this page.
MC4
10U-10V-08
MC8
10U-10V-08
MC13
10U-10V-08
MC10
10U-10V-08-O
MC23
10U-10V-08
MC21
10U-10V-08
MC25
10U-10V-08
MC14
10U-10V-08-O
MC15
10U-10V-08
Put these capacitors at processor SOL DE R SIDE
MC17
10U-10V-08
MC18
10U-10V-08
VCCP
SC9
100U-TAJ_D-B-O
SC16
100U-TAJ_D-B-O
C C
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Decoupling Circuit
634Monday, December 08, 2003
8
A
of

1
2
3
4
5
6
7
8
TP1
TEST POINT
AAD3
C1XAVSS
C4XAVSS
C1XAVDD
C4XAVDD
HVREF
A A
DBSY-<5>
BPRI-<5>
ADS-<5>
HITM-<5>
BNR-<5>
R126
14-1
.
R117
100-1
.
HIT-<5>
SC14
1U-B
SC20
1U-B
661CCLK
661CCLK-
HLOCKDEFERHTRDYCPURSTCPUPWRGD
BPRIBREQ0-
RS-2
RS-1
RS-0
ADSHITMHITDRDYDBSYBNR-
HREQ-4
HREQ-3
HREQ-2
HREQ-1
HREQ-0
HASTB-1
HASTB-0
HA-31
HA-30
HA-29
HA-28
HA-27
HA-26
HA-25
HA-24
HA-23
HA-22
HA-21
HA-20
HA-19
HA-18
HA-17
HA-16
HA-15
HA-14
HA-13
HA-12
HA-11
HA-10
HA-9
HA-8
HA-7
HA-6
HA-5
HA-4
HA-3
HNCOMP
Rds-on(n) = 10 ohm
HNCVERF = 1/3 VCCP
HPCOMP
Rds-on(p) = 56 ohm
HPCVERF = 2/3 VCCP
HVREF
648 20 1% 110 1%
661CCLK<15>
661CCLK-<15>
HLOCK-<5>
DEFER-<5>
HTRDY-<5>
CPURST-<5>
CPUPWRGD<5>
BREQ0-<5>
DRDY-<5>
B B
C C
VCCP
VCCP
.
SR1
75-1-B
.
SR4
150-1-B
D D
648FX
661FX
U8A
AJ31
CPUCLK
AJ33
CPUCLK#
T33
HLOCK#
T35
DEFER#
V32
HTRDY#
B23
CPURST#
F22
CPUPWRGD
R34
BPRI#
U31
BREQ0#
R33
RS#2
T32
RS#1
U35
RS#0
V35
ADS#
R35
HITM#
U34
HIT#
W34
DRDY#
U33
DBSY#
V33
BNR#
W35
HREQ4#
Y33
HREQ3#
W31
HREQ2#
W33
HREQ1#
Y35
HREQ0#
AG31
HASTB1#
AA33
HASTB0#
R36
DPWR#
AH33
HA31#
AG33
HA30#
AJ35
HA29#
AF32
HA28#
AJ34
HA27#
AH32
HA26#
AG35
HA25#
AE31
HA24#
AH35
HA23#
AF35
HA22#
AE35
HA21#
AE33
HA20#
AE34
HA19#
AF33
HA18#
AG34
HA17#
AC33
HA16#
AD32
HA15#
AD33
HA14#
AC35
HA13#
AD35
HA12#
AC31
HA11#
AC34
HA10#
AB35
HA9#
AB32
HA8#
AB33
HA7#
AA35
HA6#
AA31
HA5#
Y32
HA4#
AA34
HA3#
SIS661FX
R143 R133
14 1%
14 1%
661FXLV 14 1% 100 1%
1
AL36
C1XAVSS
HOST
HD63#
HD62#
HD61#
HD60#
E23
B24
C24
D23
HD-63
HD-60
HD-61
HD-62
100 1%
100 1%
2
AJ36
AK34
C1XAVDD
10.25mA
HD59#
HD58#
F24
D25
C26
HD-58
HD-59
AK35
AA26
C4XAVSS
C4XAVDD
12.81mA
HD57#
HD56#
HD55#
B25
B26
D27
HD-54
HD-57
HD-56
HD-55
648
648FX
661FX
661FXLV
W26
U26
HVREF0
HVREF1
HD54#
HD53#
E27
D26
HD-53
HD-52
R26
L20
HVREF2
HVREF3
HD52#
HD51#
B27
D28
HD-50
HD-51
HVREF4
HD50#
HD49#
C28
HD-49
HNCVREF
pin B22
Voltage
divider
HPCOMP
HNCOMP
HNCVREF
C22
D22
B22
HCOMP_P
HCOMP_N
HCOMPVREF_N
HD48#
HD47#
HD46#
F28
B28
E29
HD-46
HD-48
HD-47
NC
ST2
ST1
ST0
AAD1
AAD0
B5
ST0B6ST1F7ST2
AAD0Y5AAD1W4AAD2V2AAD3W6AAD4V4AAD5U2AAD6V5AAD7U4AAD8R2AAD9
HD45#
HD44#
HD43#
HD42#
HD41#
B29
B30
B31
C30
C32
D29
HD-44
HD-42
HD-45
HD-41
HD-40
HD-43
3
AAD9
AAD8
AAD2
AAD7
AAD6
AAD5
AAD4
AAD14
AAD11
AAD15
AAD17
AAD13
AAD16
AAD12
AAD10
T4
AAD10R3AAD11T5AAD12P2AAD13R4AAD14N2AAD15R6AAD16L3AAD17L4AAD18K2AAD19L6AAD20J2AAD21J3AAD22K4AAD23J4AAD24J6AAD25H4AAD26G3AAD27H5AAD28F2AAD29G4AAD30E2AAD31
AAD24
AAD23
AAD21
AAD20
AAD18
AAD22
AAD19
661FX-1
HD40#
HD39#
HD38#
HD37#
HD36#
HD35#
HD34#
HD33#
HD32#
HD31#
HD30#
HD29#
HD28#
HD27#
HD26#
HD25#
HD24#
HD23#
HD22#
HD21#
HD20#
HD19#
HD18#
HD17#
J34
J33
B33
B35
B34
C33
D32
HD-36
HD-35
HD-38
HD-39
HD-37
C1XAVDD
C1XAVSS
F33
E31
HD-34
E33
D35
HD-31
C155
1U
C35
G31
HD-30
HD-29
E35
D34
HD-25
HD-26
HD-28
HD-27
L39
FB-120
1 2
D31
D33
HD-33
HD-32
J31
F32
F35
H35
G34
G35
HD-21
HD-22
HD-17
HD-23
HD-24
HD-20
HD-18
HD-19
VCC3
4
AAD25
HD16#
H33
HD-16
AAD26
HD15#
J35
HD-15
K32
AAD27
HD14#
N33
HD-14
AAD28
HD13#
K33
HD-13
AAD29
HD12#
HD-12
SBA-6
SBA-7
AAD31
AAD30
G6
SBA7E3SBA6F4SBA5D2SBA4F5SBA3E4SBA2B2SBA1E6SBA0
AGP
HD11#
HD10#
HD9#
HD8#
HD7#
L31
L33
L35
K35
M35
M33
HD-9
HD-7
HD-11
HD-8
HD-10
C4XAVDD
C4XAVSS
SBA-5
HD6#
HD-6
P32
SBA-4
HD5#
HD-5
SBA-3
P33
HD-4
SBA-1
SBA-2
B3
6.45mA
10.06mA
HD4#
HD3#
HD2#
L34
N34
N35
HD-3
HD-2
C153
1U
SBA-0
AFRAME#
ADEVSEL#
GC_DET#
ADBIH/PIPE#
AD_STB0#
AD_STB1#
AGPCOMP_P
AGPCOMP_N
A1XAVDD
A1XAVSS
A4XAVDD
A4XAVSS
AGPVREF
AGPVSSREF
HDSTBN3#
HDSTBN2#
HDSTBN1#
HDSTBN0#
HDSTBP3#
HDSTBP2#
HDSTBP1#
HDSTBP0#
HD1#
HD0#
F26
P35
DBI-3
HD-0
HD-1
L38
FB-120
1 2
5
AC/BE3#
AC/BE2#
AC/BE1#
AC/BE0#
AREQ#
AGNT#
AIRDY#
ATRDY#
ASERR#
ASTOP#
APAR
RBF#
WBF#
ADBIL
SB_STB
SB_STB#
AD_STB0
AD_STB1
AGPCLK
DBI3#
DBI2#
DBI1#
B32
E34
DBI-1
DBI-2
R31
DBI-0
DBI0#
VCC3
K5
M5
P4
U6
C6
E8
N6
M4
N4
L2
P5
M2
N3
D7
B4
C7
C4
D6
C2
D3
T2
U3
G2
H2
D8
W2
Y2
B8
C8
A7
B7
W3
Y4
D24
F30
G33
N31
E25
D30
H32
M32
ACBE-3
ACBE-2
ACBE-1
ACBE-0
GCDETDBI_HI
DBI_LOW
SBSTB
SBSTB-
AADSTB0
AADSTB-0
AADSTB1
AADSTB-1
661ACLK
AGPRCOMP
AGPRCOMN
A1XAVDD
A1XAVSS
A4XAVDD
A4XAVSS
HDSTBN-3
HDSTBN-2
HDSTBN-1
HDSTBN-0
HDSTBP-3
HDSTBP-2
HDSTBP-1
HDSTBP-0
AREQ <19>
AGNT <19>
AFRAME <19>
AIRDY <19>
ATRDY <19>
ADEVSEL <19>
ASERR <19>
ASTOP <19>
APAR <19>
RBF <19>
WBF <19>
GCDET- <19>
DBI_HI <19>
DBI_LOW <19>
SBSTB <19>
SBSTB- <19>
SC2
10P-B-O
AVREFGC <19>
6
661ACLK <15>
A1XAVDD
A1XAVSS
A4XAVDD
A4XAVSS
Title
Size Document Number Re v
Custom
Date: Sheet of
7
HDSTBP-[0..3]
HDSTBN-[0..3]
DBI-[0..3]
HD-[0..63]
HASTB-[0..1]
HA-[3..31]
HREQ-[0..4]
RS-[0..2]
AAD[0..31]
SBA-[0..7]
ACBE-[0..3]
ST[0..2]
AADSTB[0..1]
AADSTB-[0..1]
AGPRCOMN
AGPRCOMP
1 2
C122
1U
1 2
C121
1U
L34
FB-120
L33
FB-120
HDSTBP-[0..3] <5>
HDSTBN-[0..3] <5>
DBI-[0..3] <5>
HD-[0..63] <4>
HASTB-[0..1] <5>
HA-[3..31] <4>
HREQ-[0..4] <4>
RS-[0..2] <4>
AAD[0..31] <19>
SBA-[0..7] <19>
ACBE-[0..3] <19>
ST[0..2] <19>
AADST B[0..1] <19>
AADSTB-[0..1] <19>
AGP3.0 = 50 ohm
R172
.
49.9-1
R170
.
44.2-1
VCC3
VCC3
VDDQ
Elitegroup Computer Systems
661FX-M
SiS661FX-1 (Host / AGP)
734Tuesday, October 14, 2003
8
A

1
2
3
4
5
6
7
8
DMD[0..63]
DDQM[0..7]
DDQS[0..7]
DMA[0..14]
DCS-[0..3]
A A
U8B
DMD0
DMD1
DMD2
DMD3
DMD4
DMD5
DMD6
DMD7
DDQM0
DDQS0
DMD8
DMD9
DMD10
DMD11
DMD12
DMD13
DMD14
DMD15
DDQM1
DDQS1
DMD16
DMD17
DMD18
DMD19
DMD20
B B
C C
DMD21
DMD22
DMD23
DDQM2
DDQS2
DMD24
DMD25
DMD26
DMD27
DMD28
DMD29
DMD30
DMD31
DDQM3
DDQS3
DMD32
DMD33
DMD34
DMD35
DMD36
DMD37
DMD38
DMD39
DDQM4
DDQS4
DMD40
DMD41
DMD42
DMD43
DMD44
DMD45
DMD46
DMD47
DDQM5
DDQS5
DMD48
DMD49
DMD50
DMD51
DMD52
DMD53
DMD54
DMD55
DDQM6
DDQS6
DMD56
DMD57
DMD58
DMD59
DMD60
DMD61
DMD62
DMD63
DDQM7
DDQS7
AN35
AP36
AK33
AM33
AN34
AK32
AR34
AN33
AR35
AP34
AM32
AL31
AR31
AL30
AN32
AR33
AN31
AM31
AR32
AP32
AP30
AR30
AM29
AL27
AN30
AN29
AL28
AN28
AL29
AR29
AP26
AN25
AR24
AL24
AL25
AR26
AM25
AN24
AP24
AR25
AN21
AP20
AN20
AL18
AM21
AR21
AL19
AM19
AL20
AR20
AL15
AL14
AN15
AR15
AN16
AM15
AN14
AL13
AP16
AR16
AM13
AL12
AL11
AR12
AP14
AR14
AN13
AP12
AN12
AR13
AL10
AR11
AM9
AR9
AM11
AN11
AP10
AN9
AN10
AR10
MD0
MD1
MD2
MD3
MD4
661FX-2
MD5
MD6
MD7
DQM0
DQS0/CSB0#
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
DQM1
DQS1/CSB1#
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
DQM2
DQS2/CSB2#
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
DQM3
DQS3/CSB3#
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
DQM4
DQS4/CSB4#
MD40
MD41
MD42
MD43
MD44
MD45
MD46
MD47
DQM5
DQS5/CSB5#
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
DQM6
DQS6/CSB6#
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63
DQM7
DQS7/CSB7#
SIS661FX
10.15mA
24.86mA
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA12
MA13
MA14
MA15
SRAS#
SCAS#
SWE#
CS0#
CS1#
CS2#
CS3#
CS4#
CS5#
CKE0
CKE1
CKE2
CKE3
CKE4
CKE5
S3AUXSW#
FWDSDCLKO
DRAMTEST
DLLAVDD
DLLAVSS
DDRAVDD
DDRAVSS
DDRVREFB
DDRVREFA
TRAP2
DDRCOMP_P
DDRCOMP_N
AR23
AN23
AN22
AM23
AL23
AL26
AN26
AN27
AR27
AR28
AP22
AN18
AR22
AP28
AM27
AT14
AL17
AR19
AN19
AM17
AL16
AN17
AR17
AP18
AR18
AP4
AT3
AR3
AP3
AR2
AN4
AP2
AL21
AL22
AL35
AL34
AM35
AN36
AF16
AF23
AP1
AR8
AP8
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
DMA8
DMA9
DMA10
DMA11
DMA12
DMA13
DMA14
DRASDCASDWE-
DCS-0
DCS-1
DCS-2
DCS-3
CKE0
CKE1
CKE2
CKE3
S3AUXSW-
FWDSDCLKO
DLLAVDD
DLLAVSS
DDRAVDD
DDRAVSS
DDRVREFA
DDRVREFB
DDRCOMP
DDRCOMN
DRAS- <17,18>
DCAS- <17,18>
DWE- <17,18>
S3AUXSW- <32>
SC39
10P-B-O
CKE[0..3]
FWDSDCLKO <16>
DMD[0..63] <17,18>
DDQM[0..7] <17,18>
DDQS[0..7] <17,18>
DMA[0..14] <17,18>
DCS-[0..3] <17,18>
CKE[0..3] <17>
DLLAVDD
DLLAVSS
DDRAVDD
DDRAVSS
DDRVREFA
DDRVREFB
C161
1U
C173
1U
SC34
1U-B
SC38
1U-B
SC36
1U-B
SC37
1U-B
L42
FB-120
1 2
L44
FB-120
1 2
VCC_DIMM
.
.
VCC_DIMM
.
.
VCC3
VCC3
SR5
150-1-B
SR8
150-1-B
SR6
150-1-B
SR7
150-1-B
DDRCOMN
DDRCOMP
R195
40.2-1
.
R189
40.2-1
.
VCC_DIMM
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
SiS661FX-2 (Memory)
of
834Tuesday, October 14, 2003
8
A

1
2
3
4
5
6
7
8
ZAD[0..16]<11>
A A
VCC1.8V
.
R207
C178
150-1
.1U
ZVREF
.
B B
VCC3
BC52
1U
VCC3
C C
VCC1.8V
R213
49.9-1
L45
FB-120
1 2
L47
FB-120
1 2
L37
FB-120
1 2
C174
.1U
C168
1U
C181
1U
C142
1U
Z1XAVDD
Z1XAVSS ECLKAVSS
Z4XAVDD
Z4XAVSS
R175 56
.
R174 56
.
ZAD[0..16]
661ZCLK<15>
ZCMP_N
ZCMP_P
661ZCLK
ZUREQ<11>
ZDREQ<11>
ZUREQ
ZDREQ
ZSTB0
ZSTB0<11>
ZSTB-0
ZSTB-0<11>
ZSTB1
ZSTB1<11>
ZSTB-1
ZSTB-1<11>
ZAD0
ZAD1
ZAD2
ZAD3
ZAD4
ZAD5
ZAD6
ZAD7
ZAD8
ZAD9
ZAD10
ZAD11
ZAD12
ZAD13
ZAD14
ZAD15
ZAD16
ZVREF
ZCMP_N
ZCMP_P
Z1XAVDD
Z1XAVSS
Z4XAVDD
Z4XAVSS
U8C
AL6
ZCLK
AL4
ZUREQ
AK5
ZDREQ
AJ2
ZSTB0
AJ3
ZSTB0#
AE3
ZSTB1
AF2
ZSTB1#
AH5
ZAD0
AK2
ZAD1
AJ4
ZAD2
AJ6
ZAD3
AH2
ZAD4
AH4
ZAD5
AG3
ZAD6
AG6
ZAD7
AF4
ZAD8
AG2
ZAD9
ZAD10
ZAD11
ZAD12
ZAD13
ZAD14
ZAD15
ZAD16
ZVREF
ZCOMP_N
ZCOMP_P
Z1XAVDD
Z1XAVSS
Z4XAVDD
Z4XAVSS
SIS661FX
HyperZip
661FX-3
6.17mA
19.45mA
PCIRST#
PWROK
AUXOK
TRAP1F9TRAP0
AN2
AN3
NBPCIRSTNBPWRGD
AUXOK
ENTEST
NBPWRGD
AUXOK
AM4
R142 4.7K
.
C182 .1U
C169 .1U
AF5
AG4
AD2
AE6
AE2
AE4
AL3
AK4
AD5
AD4
AN1
AM2
AL2
AL1
NBPCIRST-<11>
NBPWRGD<34>
AUXOK<12,34>
D10
TESTMODE2
TESTMODE1
TESTMODE0
B9
C9
B10
VGA
95.32mA
7.39mA
8.18mA
8.43mA
DLLEN#
ENTEST
D9
E10
ENTEST
VOSCI
ROUT
GOUT
BOUT
HSYNC
VSYNC
VGPIO0
VGPIO1
INT#A
CSYNC
RSYNC
LSYNC
VCOMP
VRSET
VVBWN
DACAVDD1
DACAVSS1
DACAVDD2
DACAVSS2
DCLKAVDD
DCLKAVSS
ECLKAVDD
ECLKAVSS
A15
B12
B13
A13
A11
B11
E13
C11
C10
D12
E12
D11
E15
D15
E14
D13
C12
D14
C13
B15
C15
B14
C14
R134 33
R143 33
R135 100-1
R128 100-1
VCOMP
VRSET
VVBWN
DACAVDD
DACAVSS
DACAVDD
DACAVSS
DCLKAVDD
DCLKAVSS
ECLKAVDD
REFCLK0 <15>
ROUT <20>
GOUT <20>
BOUT <20>
HSYNC <20>
VSYNC <20>
DDC1CLK <20>
DDC1DATA <20>
INT-A <11,19,22,23>
CSYNC <19>
RSYNC <19>
LSYNC <19>
DCLKAVDD
DCLKAVSS
ECLKAVDD
ECLKAVSS
L32
FB-120
1 2
C117
1U
L31
FB-120
1 2
C116
1U
VCC3
VCC3
VVBWN
VCOMP
DACAVDD
DACAVSS
C118
C119
.1U
.1U
C112
1U
VRSET
L30
FB-120
1 2
BC35
1U
VCC1.8V
MC36
10U-10V-08
R136
130-1
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
SiS661FX-3 (HyperZip)
of
934Tuesday, October 14, 2003
8
A

1
2
3
4
5
6
7
8
VCCP VCC3
A17
A18
A19
A20
A21
B17
B18
B19
B20
B21
C17
C18
C19
C20
C21
D17
D18
D19
D20
D21
E17
E18
E19
E20
L25
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
L26
VTT
M18
A A
VCC_DIMM
B B
C C
D D
VTT
253.65mA IVDD for VGA 1044mA 111mA
M19
VTT
M20
VTT
M21
VTT
M22
VTT
M23
VTT
M24
VTT
M25
VTT
M26
VTT
N25
VTT
P25
VTT
R25
VTT
T25
VTT
U25
VTT
V25
VTT
W25
VTT
Y25
VTT
AA25
VTT
AL7
VDDM
488.91mA
AL8
VDDM
AL9
VDDM
AM6
VDDM
AM7
VDDM
AM8
VDDM
AN5
VDDM
AN6
VDDM
AN7
VDDM
AN8
VDDM
AP5
VDDM
AP6
VDDM
AP7
VDDM
AR4
VDDM
AR5
VDDM
AR6
VDDM
AR7
VDDM
AT4
VDDM
AT5
VDDM
AT6
VDDM
AT7
VDDM
AB25
VDDM
AC25
VDDM
AD12
VDDM
AD25
VDDM
AE11
VDDM
AE12
VDDM
AE13
VDDM
AE14
VDDM
AE15
VDDM
AE16
VDDM
AE17
VDDM
AE18
VDDM
AE19
VDDM
AE20
VDDM
AE21
VDDM
AE22
VDDM
AE23
VDDM
AE24
VDDM
AE25
VDDM
AE26
VDDM
AF11
VDDM
AF12
VDDM
AF25
VDDM
AF26
VDDM
AB24
PVDDM
AC13
PVDDM
AD14
PVDDM
AD16
PVDDM
AD18
PVDDM
AD20
PVDDM
AD22
PVDDM
P14
VSS
P15
VSS
P16
VSS
P17
VSS
P18
VSS
P19
VSS
P20
VSS
P21
VSS
P22
VSS
P23
VSS
R14
VSS
R15
VSS
R16
VSS
R17
VSS
R18
VSS
R19
VSS
R20
VSS
R21
VSS
R22
VSS
R23
VSS
T14
VSS
T15
VSS
T16
VSS
T17
VSS
T18
VSS
T19
VSS
T20
VSS
T21
VSS
T22
VSS
T23
VSS
U14
VSS
U15
VSS
U16
VSS
U17
VSS
U18
VSS
U19
VSS
U20
VSS
U21
VSS
U22
VSS
U23
VSS
V14
VSS
V15
VSS
V16
VSS
V17
VSS
V18
VSS
V19
VSS
V20
VSS
V21
VSS
V22
VSS
V23
VSS
W14
VSS
W15
VSS
W16
VSS
W17
VSS
W18
VSS
W19
VSS
W20
VSS
W21
VSS
W22
VSS
W23
VSS
VSS
VSS
VSS
VSS
VSS
VSS
Y14
Y15
Y16
Y17
Y18
Y19
Y20
VTT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
Y21
Y22
Y23
AA14
AA15
AA16
AA17
AA18
AA19
E21
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AA20
AA21
AA22
AA23
AB14
AB15
AB16
AB17
AB18
AB19
VCC1.8V
N13
N14
N16
N18
N19
N21
N23
N24
P13
P24
T24
V24
N20
F17
F18
F19
VTT
VTT
VTT
N22
F20
F21
VTT
VTT
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
PVDD
PVDD
W13
R24
T13
U24
V13
IVDD
IVDD
IVDD
IVDD
IVDD
PVDD
PVDD
PVDD
PVDD
IVDD 1310mA
661FX-4
Power
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AB20
AB21
AB22
AB23
AC14
AC15
AC16
AC17
AC18
AC19
AC20
AC21
AC22
AC23
VSS
VSS
AF34
AE32
AE36
AC32
AC36
AD34
AH34
AG32
AG36
VCC1.8VIVDD
Y24
AA24
AB13
AC24
AD13
AD15
AD17
AD19
AD21
AD23
AD24
R13
U13
W24
Y13
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
PVDD
PVDD
NOTE:
SiS648FX doesn't have
the following 9 balls
VDDQ(P12), VDDM(AE14), VDDM(AE15),
VDDM(AB25), IVDD(N20), IVDD(T24),
VTT(M20), VTT(N25), VTT(P25).
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AJ32
AM10
AM12
AM14
AM16
AM18
AA13
N15
AH3
AJ1
AK3
AM3
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
VDDZ
VDDZ
VDDZ
VDDZ
PVDD
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AP9
AP11
AP13
AP15
AP17
AP19
AP21
AP23
AM20
AM22
AM24
AM26
AM28
AP25
AM30
AUX_IVDD=10.12mA
AUX3.3=26.38mA
AUX_IVDD
AM5
AD3
AE1
AF3
AG1
W11
W12
Y11
Y12
AA12
NCD4NCD5NC
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
28.8mA
239.09mA
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AT8
AT10
AT12
AT16
AT18
AT20
AT22
AP27
AP29
AP31
AP33
AT24
AP35
U8D
L17
M17
N17
AB12
AUX_IVDD
AC12
AA1
AA2
AA3
AA4
AA5
AA6
AB1
AB2
AB3
AB4
AB5
AB6
AC1
AC2
AC3
AC4
AC5
AC6
L11
L12
L13
M11
M12
M13
M14
M15
M16
N11
N12
P12
R12
T12
U12
V12
B16
C16
D16
E16
F15
E11
F11
F13
AL33
AM34
A9
A3
A5
C1
C3
C5
E1
E5
E7
E9
F3
G1
G5
H3
J1
J5
K3
L1
L5
M3
N1
N5
P3
R1
R5
T3
U1
U5
V3
W1
W5
Y3
AE5
AG5
AJ5
AL5
A22
A24
A26
A28
A30
A32
A34
C23
C25
C27
C29
C31
C34
C36
E22
E24
E26
E28
E30
E32
E36
F34
G32
G36
H34
J32
J36
K34
L32
L36
M34
N32
N36
P34
R32
T34
U32
U36
V34
W32
W36
Y34
AA32
AA36
AB34
SIS661FX
VCC3_DUAL
VDDQ
IVDD
VCCP
BC27
1U
BC32
1U
BC29
1U
BC26
1U
VDDQ
BC37
1U
C140
.1U
Place these capacitors under 648 solder side
VCCP
SC18
1U-B-O
SC8
1U-B
SC22
1U-B
SC12
1U-B
IVDD
SC25
1U-B
SC26
1U-B
SC11
1U-B
SC6
1U-B
But SiS648 and SiS660 still
have these 9 balls.
VCC3_DUAL
VCC_DIMM
VCC1.8V
VDDQ
SC17
1U-B-O
SC10
1U-B
SC29
1U-B
SC19
1U-B
SC13
1U-B
VCC1.8V
SC30
1U-B
BC59
1U
BC50
1U
VCC_DIMM
VCC3
IVDD
SC28
1U-B
SC27
1U-B
SC24
1U-B
SC31
1U-B
SC21
10U-10V-08-B-O
SC5
1U-B
C146
.1U
SC23
1U-B
BC31
1U-O
BC33
1U
BC28
1U-O
BC30
1U
AUX3.3
VDD3.3
VDD3.3
VDD3.3
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
IVDD
IVDD
IVDD
IVDD
IVDD
NC
NC
NC
NC
NC
NC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AL32
AT26
AT28
AT30
AT32
AT34
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
SiS661FX-4 (Power)
10 34Tuesday, October 14, 2003
8
A
of

1
VCC3
VCC1.8V
.
.
R229
150-1
R226
49.9-1
RN11
4.7K-8P4R
SIOPCIRST-<27>
12
34
56
78
SZVREF
CBE-[0..3]
INT-A
INT-B
INT-C
INT-D
FRAMEIRDYTRDYSTOP-
SERRPAR
DEVSELPLOCK-
964PCLK
PCIRST-
ZSTB0
ZSTB-0
ZSTB1
ZSTB-1
ZUREQ
ZDREQ
CBE-[0..3]<22,23>
INT-A<9,19,22,23>
INT-B<19,22,23>
INT-C<22,23>
INT-D<22,23>
FRAME-<22,23>
IRDY-<22,23>
TRDY-<22,23>
STOP-<22,23>
SERR-<22,23>
PAR<22,23>
DEVSEL-<22,23>
PLOCK-<22,23>
964PCLK<15>
PCIRST-<19,20,22,23>
NBPCIRST-<9>
964ZCLK<15>
ZSTB0<9>
ZSTB-0<9>
ZSTB1<9>
ZSTB-1<9>
ZUREQ<9>
ZDREQ<9>
C202
.1U
C201
.1U
INT-B
INT-A
INT-D
INT-C
A A
B B
C C
PREQ-2<23>
PREQ-1<22>
PREQ-0<22>
PGNT-2<23>
PGNT-1<22>
PGNT-0<22>
C204
10P-O
2
PREQ-2
PREQ-1
PREQ-0
PGNT-2
PGNT-1
PGNT-0
CBE-3
CBE-2
CBE-1
CBE-0
R209 33
.
R211 33
.
R210 33
.
SZCMP_P
SZ1XAVDD
SZ1XAVSS
SZ4XAVDD
SZ4XAVSS
SZVREF
AD[0..31]<22,23>
ZAD16
AB26
W26
AA24
AA25
AC26
AB25
AA23
AA26
3
AD[0..31]
AD19
AD24
AD28
AD30
AD27
AD26
AD25
AD31
AD29
F1
PREQ4#
F2
PREQ3#
F3
PREQ2#
F4
PREQ1#
E1
PREQ0#
H4
PGNT4#
G1
PGNT3#
G2
PGNT2#
G3
PGNT1#
G4
PGNT0#
K3
C/BE3#
M2
C/BE2#
P1
C/BE1#
U4
C/BE0#
F5
INTA#
E4
INTB#
E3
INTC#
E2
INTD#
M1
FRAME#
N4
IRDY#
N3
TRDY#
P4
STOP#
P3
SERR#
P2
PAR
N2
DEVSEL#
N1
PLOCK#
W3
PCICLK
B3
PCIRST#
ZCLK
V24
ZSTB0
ZSTB0#
R25
ZSTB1
T26
ZSTB1#
Y24
ZUREQ
Y23
ZDREQ
ZCMP_N
ZCMP_P
Z1XAVDD
Z1XAVSS
Y22
Z4XAVDD
Z4XAVSS
ZVREF
Y26
ZAD16
AD31H3AD30H2AD29H1AD28J4AD27J3AD26J2AD25J1AD24K4AD23K2AD22K1AD21L4AD20L3AD19L2AD18L1AD17M4AD16M3AD15R4AD14R3AD13R2AD12R1AD11T4AD10
PCI
964-1
12mA
34mA
ZAD0
ZAD1
ZAD2
ZAD3
ZAD4
ZAD5
ZAD6
ZAD7
V22
V23
V26
U22
U25
W25
U24
ZAD7
ZAD2
ZAD3
ZAD1
ZAD4
ZAD5
ZAD6
W24
ZAD0
AD17
AD23
AD16
AD22
AD15
AD21
AD18
AD20
HyperZip
ZAD8
ZAD9
ZAD10
ZAD11
ZAD12
ZAD13
ZAD14
ZAD15
T22
T23
T24
P22
U26
R22
R24
R26
ZAD13
ZAD14
ZAD8
ZAD15
ZAD9
ZAD10
ZAD12
ZAD11
AD14
AD11
AD12
AD13
T3
4
AD10
AD8
AD9
AD4
AD6
AD7
AD3
AD5
AD9T2AD8T1AD7U3AD6U2AD5U1AD4V4AD3V3AD2V2AD1V1AD0
IDE
AD2
AD1
5
AD0
W4
10mA
IDEAVDD
IDEAVSS
ICHRDYA
IDREQA
IIRQA
CBLIDA
IIORA#
IIOWA#
IDACKA#
IDSAA2
IDSAA1
IDSAA0
IDECSA1#
IDECSA0#
ICHRDYB
IDREQB
IIRQB
CBLIDB
IIORB#
IIOWB#
IDACKB#
IDSAB2
IDSAB1
IDSAB0
IDECSB1#
IDECSB0#
IDA0
IDA1
IDA2
IDA3
IDA4
IDA5
IDA6
IDA7
IDA8
IDA9
IDA10
IDA11
IDA12
IDA13
IDA14
IDA15
IDB0
IDB1
IDB2
IDB3
IDB4
IDB5
IDB6
IDB7
IDB8
IDB9
IDB10
IDB11
IDB12
IDB13
IDB14
IDB15
U13A
W1
W2
AE15
AD14
AC15
AE16
AF15
AC14
AD15
AC16
AF16
AD16
AE17
AF17
AE22
AD21
AC22
AE23
AF22
AC21
AD22
AF24
AF23
AD23
AF25
AE24
AF14
AD13
AF13
AD12
AF12
AD11
AF11
AF10
AE10
AE11
AC11
AE12
AC12
AE13
AC13
AE14
AF21
AD20
AF20
AD19
AF19
AD18
AF18
AD17
AC17
AE18
AC18
AE19
AC19
AE20
AC20
AE21
SIS964
IDEDA0
IDEDA1
IDEDA2
IDEDA3
IDEDA4964ZCLK
IDEDA5
IDEDA6
IDEDA7
IDEDA8
IDEDA9
IDEDA10
IDEDA11
IDEDA12
IDEDA13
IDEDA14
IDEDA15
IDEDB0
IDEDB1SZCMP_N
IDEDB2
IDEDB3
IDEDB4
IDEDB5
IDEDB6
IDEDB7
IDEDB8
IDEDB9
IDEDB10
IDEDB11
IDEDB12
IDEDB13
IDEDB14
IDEDB15
6
VCC1.8V
BC56
1U
ICHRDYA
IDEREQA
IDEIRQA
CBLIDA
IDEIOR-A
IDEIOW-A
IDEACK-A
IDESAA2
IDESAA1
IDESAA0
IDECS-A1
IDECS-A0
ICHRDYB
IDEREQB
IDEIRQB
CBLIDB
IDEIOR-B
IDEIOW-B
IDEACK-B
IDESAB2
IDESAB1
IDESAB0
IDECS-B1
IDECS-B0
ICHRDYA <20>
IDEREQA <20>
IDEIRQA <20>
CBLIDA <20>
IDEIOR-A <20>
IDEIOW-A <20>
IDEACK-A <20>
IDESAA2 <20>
IDESAA1 <20>
IDESAA0 <20>
IDECS-A1 <20>
IDECS-A0 <20>
ICHRDYB <20>
IDEREQB <20>
IDEIRQB <20>
CBLIDB <20>
IDEIOR-B <20>
IDEIOW-B <20>
IDEACK-B <20>
IDESAB2 <20>
IDESAB1 <20>
IDESAB0 <20>
IDECS-B1 <20>
IDECS-B0 <20>
IDED A[0..15] <20>
IDED B[0..15] <20>
7
8
ZAD[0..16]<9>
Analog Power supplies of Transzip function for 96X Chip.
VCC1.8V VCC1.8V
L52
FB-120
1 2
C205
1U
D D
SZ1XAVDD
SZ1XAVSS
BC54
1U
L49
FB-120
1 2
C194
1U
SZ4XAVDD
SZ4XAVSS
BC57
1U
VCC1.8V
L51
FB-120
1 2
C198
1U
SVDDZCMP
R221
56
.
R227
56
.
SZCMP_N
SZCMP_P
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
SiS964-1 (PCI / IDE / Link)
of
11 34Tuesday, October 14, 2003
8
A

Programable on-die pull-high strength for CPU_S:
( Infinite, 150, 110, 56 Ohm)
A A
VCC3
B B
C C
D D
1
INIT-<5>
A20M-<5>
SMI-<5>
INTR<5>
IGNNE-<5>
FERR-<5>
STPCLK-<5>
CPUSLP-<5>
PROCHOT-<5>
THERMTRIP-<5>
LAD[0..3]<27>
LFRAME-<27>
LDRQ-<27>
SIRQ<27>
BATOK<34>
SBPWRGD<15,34>
SMBDAT<15,16,17,23>
SMBCLK<15,16,17,23>
SDATI0<23,25>
SDATI1<23>
SDATO<23,25>
SYNC<23,25>
AC97_RST-<23,25>
BIT_CLK<23,25>
REFCLK1<15>
SPKR<34>
PWRBTN-<34>
PME-<19,22,23,27>
PSON-<34>
AUXOK<9,34>
ACPILED<34>
GLED<34>
KBDAT<28>
KBCLK<28>
PMDAT<28>
PMCLK<28>
OSC32KHO
OSC32KHI
1
INITA20MSMIINTR
NMI
NMI<5>
IGNNEFERRSTPCLKCPUSLP-
R233
R228
LFRAMELDRQSIRQ
OSC32KHI
OSC32KHO
BATOK
SBPWRGD
SMBDAT
SMBCLK
SDATI0
SDATI1
SDATO
SYNC
AC97_RSTBIT_CLK
REFCLK1
SPKR
PWRBTN-
PMEPSON-
AUXOK
ACPILED
GLED
KBDAT
KBCLK
PMDAT
PMCLK
C188
15P
.
.
LAD0
LAD1
LAD2
LAD3
R214
10M
.
Y5
X-32.768K-CY
1 2
3
C163
.1U
4
10K
FB-120
RTCVDD
2
2
GPOFF
C167
.1U-O
C189
22P
AB23
AD26
AE25
AC24
AD25
AD24
AE26
AB22
AC23
AF26
AC25
AB24
AC4
AC3
AD3
AC1
AC2
AD2
AD1
AE1
AF1
AE2
AF2
C2
C1
D4
D2
C3
D3
AB1
AB2
E6
B4
AB3
B5
D1
D5
A7
D8
A3
B6
B2
A5
B8
A8
C8
D6
U13B
INIT#
A20M#
SMI#
INTR
NMI
IGNNE#
FERR#
STPCLK#
CPUSLP#
APICCK/LDTREQ#
APICD0/THERM2#
APICD1/GPIOFF#
LAD0
LAD1
LAD2
LAD3
LFRAME#
LDRQ#
SIRQ
OSC32KHI
OSC32KHO
BATOK
PWROK
RTCVDD
RTCVSS
GPIO20
GPIO19
AC_SDIN0
AC_SDIN1
AC_SDOUT
AC_SYNC
AC_RESET#
AC_BIT_CLK
OSCI
ENTEST
SPK
PWRBTN#
PME#
PSON#
/others
AUXOK
ACPILED
GPIO13
GPIO14
GPIO15/KBDAT
GPIO16/KBCLK
/geyserville
GPIO17/PMDAT
GPIO18/PMCLK
3
CPU_S
APIC
LPC
RTC
964-2
GPIO
AC97
ACPI
KBC
3
MII
GPIO
GPIO11/OSC25M/STP_PCI#
SiS963, 964 GPIO 0~7
internal pull up
SiS963, 964 GPIO 9,10
internal pull down
4
OSC25MHI
OSC25MHO
TXCLK
TXEN
TXD0
TXD1
TXD2
TXD3
NC34
NC31
NC32
NC30
RXCLK
RXDV
RXER
RXD0
RXD1
RXD2
RXD3
NC36
NC35
NC38
NC37
NC33
CRS
MDC
MDIO
MIIAVDD
1mA
MIIAVSS
GPIO0/SPDIF
GPIO1/LDRQ1#
GPIO2/THERM#
GPIO3/EXTSMI#
GPIO4/CLKRUN#
GPIO5/PREQ5#
GPIO6/PGNT5#
GPIO7
GPIO8/RING
GPIO9/AC_SDIN2
GPIO10/AC_SDIN3
GPIO12/CPUSTP#
4
COL
D7
C7
D10
E10
E11
D12
C12
E13
D13
E14
C14
D15
C13
A12
A13
B12
A11
B11
C11
A10
C10
A9
B9
A14
B14
C15
C9
E9
B7
A6
Y3
AE3
Y4
AA1
AA2
AA3
AA4
A4
C6
C5
C4
F6
E5
SIS964
MCLK25I
MCLK25O
R346
R348
R349
22
RN62
1 2
3 4
5 6
7 8
22-8P4R
22
22
MIIAVDD
1 2
MIIAVSS
THERM-
RECOVERY-
GPIO7
RING
PS2PWR_S5OFF-
DDRVJ
GPIO11
CPUSTP-
5
TXCLK
TXEN
TXD3
TXD1
TXD0
TXD2
RXCLK
RXDV
RXER
RXD0
RXD1
RXD2
RXD3
COL
CRS
MDC
MDIO
L43 FB-120
THERM- <27>
RECOVERY- <34>
RING <30>
PS2PWR_S5OFF- <32>
DDR VJ <31>
5
TXCLK <24>
TXEN <24>
TXD3 <24>
TXD1 <24>
TXD0 <24>
TXD2 <24>
RXCLK <24>
RXDV <24>
RXER <24>
RXD0 <24>
RXD1 <24>
RXD2 <24>
RXD3 <24>
SB1.8V
COL <24>
CRS <24>
MDC <24>
MDIO <24>
6
Put closed to 96X CHIP
MCLK25O
MCLK25I
C290
15P
DELUXE
GPIO11
DISTY
Y6
25M
VCC3_DUAL
R345
.
4.7K
.
R347
R_OPEN
3
R231
4.7K-O
7
12
C291
20P
PME-
R188 4.7K
NEED NOT to place
close to 964
VCC3
.
7 8
5 6
3 4
1 2
R191
4.7K
R190
4.7K-O
.
SMBDAT
SMBCLK
CPUSTP-
GPIO7
8
VCC3_DUAL
.
VCC3
RN28
4.7K-8P4R
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
6
Date: Sheet
7
661FX-M
SiS964-2 (Misc. Signals)
12 34Monday, December 08, 2003
8
A
of

1
VCC3_DUAL
BC44
1U
SATACLK-<15>
SATACLK<15>
L53
FB-120
1 2
L50
FB-120
1 2
L54
FB-120
1 2
OC45OC23OC67OC01-
1 2
3 4
5 6
7 8
RN27
4.7K-8P4R
A A
SB1.8V
B B
VCC1.8V
C C
VCC1.8V
VCC1.8V
D D
VCC1.8V
1
UV0+<21>
UV0-<21>
UV1+<21>
UV1-<21>
UV2+<21>
UV2-<21>
UV3+<21>
UV3-<21>
UV4+<21>
UV4-<21>
UV5+<21>
UV5-<21>
UV6+<21>
UV6-<21>
UV7+<21>
UV7-<21>
BC45
1U
BC62
1U
SATACLKSATACLK
BC61
1U
BC58
1U
BC60
1U
2
UV0+
UV0UV1+
UV1UV2+
UV2UV3+
UV3UV4+
UV4UV5+
UV5UV6+
UV6UV7+
UV7-
OC01OC23OC45OC67-
C160
1U
C224
1U
SATARXAVDD
SATARXAVSS
SATATXAVDD
SATATXAVSS
SATACMPAVDD
SATACMPAVSS
R241
374-1
.
SATARXAVDD
C208
1U
SATARXAVSS
SATATXAVDD
C195
1U
SATATXAVSS
SATACMPAVDD
C207
1U
SATACMPAVSS
2
G26
G25
G22
AA6
AA7
AA8
AA9
AA10
AB6
AD4
AB5
AD5
AC5
AE4
H24
H23
C21
D21
A22
B22
C19
D19
A20
B20
C17
D17
A18
B18
C26
C24
D26
D25
D24
E24
E23
F22
E18
E20
E22
F17
F18
F19
F20
F21
H22
AF3
Y2
Y1
AF4
U13C
UV0+
UV0UV1+
UV1UV2+
UV2UV3+
UV3UV4+
UV4UV5+
UV5UV6+
UV6UV7+
UV7-
OC0#
OC1#
OC2#
OC3#
OC4#
OC5#
OC6#
OC7#
UVDD18
UVDD18
UVDD18
UVDD18
UVDD18
UVDD18
UVDD18
UVDD18
UVDD18
UVDD18
AVDDSATA
AVDDSATA
AVDDSATA
AVDDSATA
AVDDSATA
AVDDSATA
SATARXAVDD
SATARXAVSS
SATATXAVDD
SATATXAVSS
SATACMPAVDD
SATACMPAVSS
REXT
CLK25MI
CLK25MO
330mA
3
USB
964-3
3
4
IPB_OUT0/PLLENN
IPB_OUT1/ZCLKSEL
STX2+
STX2-
SRX2SRX2+
4
OSC12MHI
OSC12MHO
USBREF
USBPVDD18
USBPVSS18
USBCMPAVDD18
USBCMPAVSS18
USBCMPAVDD33
USBCMPAVSS33
UVDD33
UVDD33
UVDD33
48mA
IVDD_AUX
IVDD_AUX
TX1+
TX1-
RX1+
RX1-
TX2+
TX2-
RX2+
RX2-
HDACT
GPIO21/EESK
GPIO22/EEDI
GPIO23/EEDO
GPIO24/EECS
TRAP0
TRAP1
SATA2
2
3
5
6
CONN-SATA
SIS964
8
1
4
7
9
E25
E26
A24
F24
F23
A25
B24
D23
C23
G16
G18
H20
G21
H21
AD7
AC7
AF6
AE6
AD9
AC9
AF8
AE8
AB4
A16
A15
B16
B15
A26
B25
B26
C25
OSC12MHI
OSC12MHO
USBREF
USBPVDD18
USBPVSS18
USBCMPAVDD18
USBCMPAVSS18
USBCMPAVDD33
USBCMPAVSS33
IVDD_AUX
IVDD_AUX
STX1+
STX1SRX1+
SRX1STX2+
STX2SRX2+
SRX2-
SATALED-
GPIO21
GPIO22
GPIO23
GPIO24
.
.
R206
22
5
R205
5
22
OSC12MHI
OSC12MHO
R193
.
127-1
BC48
1U
SATALED- <34>
STX1+
STX1-
SRX1SRX1+
SATA1
2
3
5
6
CONN-SATA
C159
1U
C187
10P
L40
FB-120
1 2
8
1
4
7
9
6
R320
1M
.
6
12
3
VCC3_DUAL
Y4
X-12M
C184
10P
GPIO24
GPIO21
GPIO22
GPIO23
7
L41
VCC
GND
NC
NC
C165
1U
C175
1U
8
7
6
5
FB-120
1 2
VCC3_DUAL
C158
1U
1 2
C185
1U
USBCMPAVDD18
USBCMPAVSS18
USBCMPAVDD33
USBCMPAVSS33
VCC3_DUAL
R350
4.7K
EEPROM1
1
EECS
2
EESK
3
EEDI
4
EEDO
HT93LC46-S
IVDD_AUX
USBPVDD18
USBPVSS18
BC47
1U
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
Date: Sheet
7
661FX-M
SiS964-3 (USB / SATA)
L48
FB-120
8
SB1.8V
SB1.8V
13 34Tuesday, October 14, 2003
8
SB1.8V
A
of

1
2
3
4
5
6
7
8
VCC3
C226
.1U
A A
B B
C C
C192
.1U
VCC1.8V
VCC1.8V VCC1.8V
C191
.1U
SC52
1U-B
SC50
1U-B
Put under 96X solder side
VCC3
SC44
1U-B-O
SC47
1U-B-O
SC46
1U-B-O
SC51
10U-10V-08-B
SB1.8V
SC48
1U-B
SC45
1U-B
SC41
1U-B
SC42
1U-B-O
VCCP
C199
.1U
VCC3_DUAL
SC43
1U-B-O
VCC3_DUAL
BC42
1U
SB1.8V
VCC3
C203
.1U
VCCP
W21
M21
AB18
AB16
AB14
AB11
AA5
AA21
AB19
AB13
AB20
AB17
AB15
AB12
AB10
AA22
AB21
G20
W22
M26
M25
M24
M23
M22
P26
P21
R21
T25
V25
V21
Y25
Y21
N21
T21
U21
R5
G5
L21
U5
M5
H5
K21
J21
W5
N5
F12
F15
B10
B13
E12
E15
F10
F11
F13
F14
P25
P24
P23
N26
N25
N24
N23
N22
L26
L25
L24
L23
L22
Y5
T5
L5
V5
P5
K5
J5
F9
E7
F7
E8
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
VDDZ
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
IVDD
PVDD
PVDD
PVDD
PVDD
PVDD
PVDD
PVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
OVDD
VTT
VTT
IVDD_AUX
IVDD_AUX
IVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
OVDD_AUX
PVDD_AUX
PVDD_AUX
NC1
NC2
NC3
NC4
NC5
NC6
NC7
NC8
NC9
NC10
NC11
NC12
NC13
NC14
NC15
NC16
NC17
NC18
NC19
K26
NC20
K25
NC21
K24
NC22
K23
964-4
Power
NC23
NC24
NC25
NC26
NC27
NC28
NC29
J26
J25
J22
F16
K22
E16
VSSD9VSS
D11
VSSZ
VSSZ
VSSZ
VSS
R23
U23
D14
W23
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSZ
VSSZ
VSSZ
VSSZ
VSSZ
VSSZ
VSSZ
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
USBVSS
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
AVSSSATA
U13D
L10
L11
L12
M10
M11
M12
N10
N11
N12
N13
N14
N15
N16
P10
P11
P12
P13
P14
R10
R11
R12
R13
R14
T10
T13
T14
U10
U13
U14
U15
P15
P16
R15
R16
T15
T16
U16
F25
F26
G23
G24
H25
H26
J23
J24
A23
B23
C22
D22
A21
B21
E21
C20
D20
A19
B19
E19
C18
D18
A17
B17
E17
C16
D16
L13
L14
L15
L16
M13
M14
M15
M16
AD10
AC10
AF9
AE9
AB9
AD8
AC8
AB8
AF7
AE7
AB7
AD6
AC6
AF5
AE5
T11
T12
U11
U12
SIS964
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
SiS964-4 (Power)
14 34Monday, December 08, 2003
8
A
of

1
VCC3
L26
FB-600-08-PW
2
3
4
5
6
7
8
Main Clock Generator
A A
PLACE TO EVERY POWER PIN
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
EC16
+
22U-25SE
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
C69
.1U
Frequency Table
BC24
1U
B B
C C
FSB400
FSB533
FSB800
FS4 FS1FS2
FS3 FS0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
C67
.1U
C76
.1U
CPU AGPSRC
(MHz) (MHz) (MHz)
100.00
0
100.99
1
103.00
0
100.00
1
133.33
0
134.65
1
137.33
0
133.33
1
200.00
0
201.98
1
206.00
0
200.00
1
166.66
0
168.31
1
171.66
0
166.66
1
VCC3
.
C85
1U-08
100.00
100.99
103.00
100.00
100.00
100.99
103.00
100.00
100.00
100.99
103.00
100.00
125.00
126.23
128.74
125.00
C90
.1U
R104
10K
VCC3
L27
FB-600-08-PW
ZCLK
(MHz)
133.33
134.65
137.33
133.33
133.33
134.65
137.33
133.33
133.33
134.65
137.33
133.33
125.00
126.23
128.74
125.00
R84
SBPWRGD<12,34>
C79
.1U
(MHz)
66.67
67.33
68.67
66.67
66.66
67.32
68.66
66.67
66.67
67.33
68.67
66.67
66.66
67.32
68.66
66.66
.
BC25
1U
PCI
33.33
33.66
34.33
33.33
33.33
33.66
34.33
33.33
33.33
33.66
34.33
33.33
33.33
33.66
34.33
33.33
C92
.1U
475-1
CLK1
1
VDDREF
11
VDDZ
13
VDDPCI
19
VDDPCI
28
VDD48
29
VDDAGP
42
VDDCPU
48
VDDSRC
5
VSSREF
8
VSSZ
18
VSSPCI
23
VSSPCI
24
VSS48
32
VSSAGP
41
VSSCPU
45
VSSSRC
33
Vtt_PwrGd/PD#*
38
IREF
4
RESET#
36
VDDA
37
VSSA
X1
6
1 2
C71
10P
24_48MHz/SEL24_48#*
12_48MHz/SEL12_48#**
X2
7
Y2
X-14.318M
3
CPUCLK0
CPUCLK#0
CPUCLK1
CPUCLK#1
AGPCLK0
AGPCLK1
ZCLK0
ZCLK1
**FS3/PCICLK6
**FS4/PCICLK7
PCICLK0
PCICLK1
PCICLK2
PCICLK3
PCICLK4
*FS2/PCICLK5
**FS0/REF0
**FS1/REF1
SCLK
SDATA
SRCCLK
SRCCLK#
48MHz
ICS952018AF-S
C70
10P
40
39
44
43
RN12
22-8P4R
R97
R102
R85
R81
R351
R68
R73
R77
R108
R71
R74
.
.
.
.
.
.
.
.
.
.
.
31
30
9
10
FS3 964PCLK
14
FS4 SIOPCLK
15
16
17
20
21
22
FS2
12
FS0 REFCLK0
2
FS1
3
MULTISEL SIO24M
26
35
34
47
46
27
25
Frequency Selection
VCC3
BSEL0 FS2
BSEL0<5>
BSEL1 FS3
BSEL1<5>
33
33
22
22
12
34
56
78
22
33
33
33
33
33
33
CPUCLK
CPUCLK-
661CCLK
661CCLK-
661ACLK
AGPCLK
661ZCLK
964ZCLK
PCICLK1
PCICLK2
PCICLK3
REFCLK1
CODECCLK
SMBCLK
SMBDAT
SATACLK
SATACLK-
R70
4.7K-O
.
R99
4.7K-O
.
R89 4.7K
.
R94
4.7K
.
R88
4.7K-O
.
CPUCLK <5>
CPUCLK- <5>
661CCLK <7>
661CCLK- <7>
661ACLK <7>
AGPCLK <19>
661ZCLK <9>
964ZCLK <11>
964PCLK <11>
SIOPCLK <27>
PCICLK1 <22>
PCICLK2 <22>
PCICLK3 <23>
REFCLK0 <9>
REFCLK1 <12>
CODECCLK <25>
SIO24M <27>
SMBCLK <12,16,17,23>
SMBDAT <12,16,17,23>
SATACLK <13>
SATACLK- <13>
FS0
FS4
FS1
By-Pass Ca p a c i tors
Place nea r t o t h e C l o c k Outputs
CPUCLK
CPUCLK-
661CCLK
661CCLK-
SATACLK
SATACLK-
MULTISEL
R80
R83
R78
R82
R72
R75
R109
49.9-1
.
49.9-1
.
49.9-1
.
49.9-1
.
49.9-1
.
49.9-1
.
4.7K-O
.
Frequency Table
FS4 FS1FS2FS3 FS0
0
1
1
1
1
D D
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
0
1
0
0
1
0
1
1
1
1
1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
CPU SRC
(MHz) (MHz) (MHz)
105.00
0
107.00
1
109.00
0
110.00
1
140.00
0
142.66
1
145.33
0
146.66
1
210.00
0
214.00
1
218.00
0
220.00
1
266.66
0
269.33
1
274.66
0
266.66
1
2
105.00
107.00
109.00
110.00
105.00
107.00
109.00
110.00
105.00
107.00
109.00
110.00
100.00
101.00
103.00
100.00
ZCLK
140.00
142.67
145.33
146.67
140.00
142.67
145.33
146.66
140.00
142.67
145.33
146.67
133.33
134.67
137.33
133.33
(MHz)(MHz)
70.00
71.33
72.67
73.33
70.00
71.33
72.66
73.33
70.00
71.33
72.67
73.33
66.67
67.33
68.67
66.67
PCIAGP
35.00
35.67
36.33
36.67
35.00
35.67
36.33
36.67
35.00
35.67
36.33
36.67
33.33
33.67
34.33
33.33
Clock Generator Table
Hardware Traping
FS4 FS3 FS2 FS1 FS0
BSEL0BSEL1
LowLow Low
CPU=100 (BSEL[1:0]=00) 0 0 0 0 0
CPU=133 (BSEL[1:0]=01) 0 0 1 0 0
CPU=200 (BSEL[1:0]=10) 0 1 0 0 0
3
4
5
6
Title
Size Document Number Re v
Custom
Date: Sheet
Elitegroup Computer Systems
661FX-M
Main Clock
7
15 34Tuesday, October 14, 2003
8
A
of

1
A A
2
3
4
5
6
7
8
Clock Buffer (DDR)
(5 OPTIONS)
1: (ICS) ICS93716
2: (Winbond)
CBVDD
FWDSDCLKO
3. (ICWorks)
4: (IMI)
5: (AMI)
CLK2
ICS93772AF-S
3
VDD
12
VDD
23
VDD
10
AVDD
7
SCLK
22
SDATA
8
CLK_IN
9
NC
20
FB_IN
21
NC
GND6GND11GND15GND
28
CLK#1
CLK1
CLK0
CLK#0
CLK3
CLK#3
CLK#2
CLK2
CLK#5
CLK5
CLK#4
CLK4
FB_OUT
5
4
2
1
17
16
14
13
27
26
25
24
R259 22
19
18
NC
DDRCLK-2
DDRCLK2
DDRCLK1
DDRCLK-1
DDRCLK4
DDRCLK-4
DDRCLK-5
DDRCLK5
DDRCLK-0
DDRCLK0
DDRCLK-3
DDRCLK3
.
FB_OUTFB_OUT
By-Pass Capacitors
Place near to the Clock Buffer
VCC_M
L55
FB-600-08-PW
CBVDD
B B
BC66
220P
C252
.1U
CBVDD VCC_M
C255
.1U
C251
.1U
L56
FB-600-08-PW
C254
.1U
SMBCLK
SMBDAT
FB_OUT
DDRCLK[0..5]
DDRCLK-[0..5]
SMBCLK
SMBDAT
FWDSDCLKO
C253 10P
DDRCLK[0..5] <17>
DDRCLK-[0..5] <17>
SMBCLK <12,15,17,23>
SMBDAT <12,15,17,23>
FWDSDCLKO <8>
C C
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Clock Buffer
A
of
16 34Tuesday, October 14, 2003
8

1
A A
NOTE:
VDDID IS A TRAP ON THE DIMM
MODULE TO INDICATE:
VDDID
REQUIRED POWER
OPEN
VDD=VDDQ
GND
VDD!=VDDQ
MEMORY MUX TABLE:
B B
C C
SDR
CS0
CS1
CS2
CS3
CS4
CS5 CS5
CSB0
CSB1
CSB2
CSB3
CSB4
CSB5
CSB6
CSB7
DDR
CS0
CS1
CS2
CS3
CS4
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DRAS-<8,18>
DCAS-<8,18>
DWE-<8,18>
VCC_DIMM
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
DMA8
DMA9
DMA10
DMA13
DMA14
DMA11
DMA12
DDQM0
DDQM1
DDQM2
DDQM3
DDQM4
DDQM5
DDQM6
DDQM7
DDQS0
DDQS1
DDQS2
DDQS3
DDQS4
DDQS5
DDQS6
DDQS7
DRASDCASDWE-
DCS-0
DCS-1
CKE0
CKE1
DDRCLK1
DDRCLK0
DDRCLK2
DDRCLK-1
DDRCLK-0
DDRCLK-2
2
156
164
172
180
108
VDD7VDD38VDD46VDD70VDD85VDD
VDDQ
VDDQ
120
148
168
184
48
43
41
130
37
32
125
29
122
27
141
118
115
103
59
52
113
97
107
119
129
149
159
169
177
140
5
14
25
36
56
67
78
86
47
44
45
49
51
134
135
142
144
9
10
101
102
173
167
154
65
63
157
158
71
163
21
111
137
16
76
138
17
75
VDD
VDD
VDD
VDDSPD
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
BA0
BA1
BA2
DM0
DM1
DM2
DM3
DM4
DM5
DM6
DM7
DM8
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
NC
NC(RESET#)
NC
NC
NC
NC(FETEN)
RAS#
CAS#
WE#
S0#
S1#
NC(S2#)
NC(S3#)
CKE0
CKE1
CK0
CK1
CK2
CK0#
CK1#
CK2#
VDDQ
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
100
116
124
132
139
145
152
160
176
136
143
VDDQ
VDDQ
addr =
1010000b
128
VDDQ
112
VDDQ
104
VDDQ
3
DIMM1
VDDQ15VDDQ22VDDQ30VDDQ54VDDQ62VDDQ77VDDQ96VDDQ
DMD0
2
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
VREF
VDDID
SCL
SDA
SA0
SA1
SA2
WP
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
1
82
90
92
91
181
182
183
VSS3VSS11VSS18VSS26VSS34VSS42VSS50VSS58VSS66VSS74VSS81VSS89VSS93VSS
DIMM-DDR-BL
DMD1
DMD2
DMD3
DMD4
DMD5
DMD6
DMD7
DMD8
DMD9
DMD10
DMD11
DMD12
DMD13
DMD14
DMD15
DMD16
DMD17
DMD18
DMD19
DMD20
DMD21
DMD22
DMD23
DMD24
DMD25
DMD26
DMD27
DMD28
DMD29
DMD30
DMD31
DMD32
DMD33
DMD34
DMD35
DMD36
DMD37
DMD38
DMD39
DMD40
DMD41
DMD42
DMD43
DMD44
DMD45
DMD46
DMD47
DMD48
DMD49
DMD50
DMD51
DMD52
DMD53
DMD54
DMD55
DMD56
DMD57
DMD58
DMD59
DMD60
DMD61
DMD62
DMD63
DDRVREF
WP
SMBCLK
SMBDAT
4
VCC_DIMM
120
148
168
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
DMA8
DMA9
DMA10
DMA13
DMA14
DMA11
DMA12
DDQM0
DDQM1
DDQM2
DDQM3
DDQM4
DDQM5
DDQM6
DDQM7
DDQS0
DDQS1
DDQS2
DDQS3
DDQS4
DDQS5
DDQS6
DDQS7
DRASDCASDWE-
DCS-2
DCS-3
CKE2
CKE3
DDRCLK4
DDRCLK3
DDRCLK5
DDRCLK-4
DDRCLK-3
DDRCLK-5
184
48
43
41
130
37
32
125
29
122
27
141
118
115
103
59
52
113
97
107
119
129
149
159
169
177
140
14
25
36
56
67
78
86
47
44
45
49
51
134
135
142
144
10
101
102
173
167
154
65
63
157
158
71
163
21
111
137
16
76
138
17
75
VDD
VDD
VDD
VDDSPD
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
BA0
BA1
BA2
DM0
DM1
DM2
DM3
DM4
DM5
DM6
DM7
DM8
5
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
9
NC
NC(RESET#)
NC
NC
NC
NC(FETEN)
RAS#
CAS#
WE#
S0#
S1#
NC(S2#)
NC(S3#)
CKE0
CKE1
CK0
CK1
CK2
CK0#
CK1#
CK2#
5
104
112
128
136
143
156
164
172
180
108
VDD7VDD38VDD46VDD70VDD85VDD
VDDQ
VSS
VSS
VSS
VSS
VSS
VSS
VSS
124
132
139
145
152
160
176
VDDQ
VSS
116
VDDQ
100
VDDQ
VDDQ
addr =
1010001b
VDDQ
VDDQ
VDDQ
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
VREF
VDDID
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
SCL
SDA
SA0
SA1
SA2
VDDQ15VDDQ22VDDQ30VDDQ54VDDQ62VDDQ77VDDQ96VDDQ
WP
VSS3VSS11VSS18VSS26VSS34VSS42VSS50VSS58VSS66VSS74VSS81VSS89VSS93VSS
6
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
1
82
90
92
91
181
182
183
DIMM-DDR-BL
DMD0
DMD1
DMD2
DMD3
DMD4
DMD5
DMD6
DMD7
DMD8
DMD9
DMD10
DMD11
DMD12
DMD13
DMD14
DMD15
DMD16
DMD17
DMD18
DMD19
DMD20
DMD21
DMD22
DMD23
DMD24
DMD25
DMD26
DMD27
DMD28
DMD29
DMD30
DMD31
DMD32
DMD33
DMD34
DMD35
DMD36
DMD37
DMD38
DMD39
DMD40
DMD41
DMD42
DMD43
DMD44
DMD45
DMD46
DMD47
DMD48
DMD49
DMD50
DMD51
DMD52
DMD53
DMD54
DMD55
DMD56
DMD57
DMD58
DMD59
DMD60
DMD61
DMD62
DMD63
DDRVREF
WP
SMBCLK
SMBDAT
R236
5.6K
VCC_DIMM
SMBCLK <12,15,16,23>
SMBDAT <12,15,16,23>
.
7
DMD[0..63]
DMA[0..14]
DDQM[0..7]
DDQS[0..7]
DCS-[0..3]
CKE[0..3]
DDRCLK[0..5]
DDRCLK-[0..5]
VCC_DIMM
.
R242
75-1
.
R237
75-1
VCC_DIMM
.
R235
5.6K
VCC_DIMM
C222
.1U
C221
.1U
DMD[0..63] <8,18>
DMA[0..14] <8,18>
DDQM[0..7] <8,18>
DDQS[0..7] <8,18>
DCS-[0..3] <8,18>
CKE[0..3] <8>
DDRCLK[0..5] <16>
DDRCLK-[0..5] <16>
C216
.1U
C220
.1U
C218
.1U
C215
.1U
C214
.1U
C213
.1U
8
DDRVREF
C210
.1U
C219
.1U
C217
.1U
C209
.1U
C200
.1U
C212
.1U
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet of
7
661FX-M
DIMM 1,2
17 34Tuesday, October 14, 2003
8
A

1
2
3
4
5
6
7
8
SSTL-2 Termination Resistors
SDR
MD/DQM(/DQS)
MA/Control
CS
A A
DMD1 DMD34
DMD5 DMD37
DMD0 DDQS4
DMD4 DMD33
DMD6 DMD39
DMD2 DMA11
DDQS0 DMD38
DDQM0 DDQM4
DMD9 DRASDMD8 DMD44
DMD3 DMD40
DMD7 DMD35
B B
C C
D D
DDQM1 DMD42
DDQS1 DMD46
DMD13 DDQS5
DMD12 DDQM5
DMD11
DMD10 DMD41
DMD15 DMD45
DMD14 DWE-
DMA7 DMD52
DMD22 DMD48
DMD18
DMA9 DMD43
DMD17 DMD50
DMA14 DDQS6
DMD16 DMD54
DMD20 DDQM6
DMA5 DMD56
DMD19 DMD60
DMD23 DMD51
DMA8 DMD55
DMD26 DMD62
DMD27 DDQM7
DMD30 DMD57
DMA3 DMD61
DDQM3
DMA4
DDQS3
DMD25
DMA0
DMA1
DMD31
DMA2
DMD29
DMD28
DMA6
DMD24
DMD36
DMD32
DMA12
DMA10
DDQM2
DMA13
DMD21
DDQS2
DMD49
DMD53
R250 56
.
R249 56
.
RN30
12
56-8P4R
34
56
78
RN29
12
56-8P4R
34
56
78
RN42
12
56-8P4R
34
56
78
RN41
12
56-8P4R
34
56
78
RN40
12
56-8P4R
34
56
78
RN37
12
56-8P4R
34
56
78
RN39
12
56-8P4R
34
56
78
RN36
12
56-8P4R
34
56
78
RN33
12
56-8P4R
34
56
78
RN34
12
56-8P4R
34
56
78
DDR_VTT
RN32
12
56-8P4R
34
56
78
RN35
12
56-8P4R
34
56
78
RN31
12
56-8P4R
34
56
78
RN38
12
56-8P4R
34
56
78
CKE
LV-CMOS
LV-CMOS
LV-CMOS
OD 3.3V OD 2.5V
DRAS-<8,17>
DCS-0
DWE-<8,17>
DMD47
DMD59
DMD63
DMD58
DDQS7
DCS-3
DCS-1
DCS-2
DCAS-
DCAS-<8,17>
DDR
Rs
0/10/- 33
SSTL-2
SSTL-2
10
SSTL-2
0
DDR_VTT
RN52
12
56-8P4R
34
56
78
RN51
12
56-8P4R
34
56
78
RN50
12
56-8P4R
34
56
78
RN46
12
56-8P4R
34
56
78
RN49
12
56-8P4R
34
56
78
RN45
12
56-8P4R
34
56
78
RN44
12
56-8P4R
34
56
78
RN48
12
56-8P4R
34
56
78
RN43
12
56-8P4R
34
56
78
RN53
12
56-8P4R
34
56
78
RN47
12
56-8P4R
34
56
78
Rs
10
0
0
DECOUPLING CAPACITOR FOR SSTL-2 END TERMI ANTION VT T ISL AND
0603 Package placed within 200mils of VTT Termi nation R-packs
DDR_VTT
Rtt
33
47
C248
.1U
C244
.1U
C240
.1U
C236
.1U
C247
.1U
C243
.1U
C239
.1U
C235
.1U
C246
.1U
C242
.1U
C238
.1U
C234
.1U
DMD[0..63]
DMA[0..14]
DDQM[0..7]
DDQS[0..7]
DCS-[0..3]
DMD[0..63] <8,17>
DMA[0..14] <8,17>
DDQM[0..7] <8,17>
DDQS[0..7] <8,17>
DCS-[0..3] <8,17>
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
DDR Termination
18 34Tuesday, October 14, 2003
A
of
8

1
2
3
4
5
6
7
8
VCC
VCC3_DUAL
VCC3
A A
INT-B<11,22,23>
AGPCLK<15>
AREQ<7>
RBF<7>
DBI_LOW<7>
SBSTB<7> SBSTB- <7>
B B
AIRDY<7>
CSYNC<9>
ADEVSEL<7>
ASERR<7>
C C
INT-B
AGPCLK
AREQ
ST0
ST2
RBF
SBA-0
SBA-2
SBSTB
SBA-4
SBA-6
AAD31
AAD29
AAD27
AAD25
AADSTB1
AAD23
AAD21
AAD19
AAD17
ACBE-2
AIRDY
APERR
ACBE-1
AAD14
AAD12
AAD10
AAD8
AADSTB0
AAD7
AAD5
AAD3
AAD1
AVREFCG
VDDQ
AGP1
B1
OVRCNT#
B2
5V
B3
5V
B4
USB+
B5
GND
B6
INTB#
B7
CLK
B8
REQ
B9
VCC3.3
B10
ST0
B11
ST2
B12
RBF
B13
GND
B14
DBI_LO
B15
SBA0#
B16
VCC3.3
B17
SBA2#
B18
SB_STBF
B19
GND
B20
SBA4#
B21
SBA6#
B22
RSVD
B23
GND
B24
3.3VAUX
B25
VCC3.3
B26
AD31
B27
AD29
B28
VCC3.3
B29
AD27
B30
AD25
B31
GND
B32
AD_STBF1
B33
AD23
B34
VDDQ
B35
AD21
B36
AD19
B37
GND
B38
AD17
B39
C#/BE2
B40
VDDQ
B41
IRDY
B42
KEY(3.3VAUX)
B43
KEY(GND)
B44
KEY(CSYNC)
B45
KEY(VCC3.3)
B46
DEVSEL
B47
VDDQ
B48
PERR
B49
GND
B50
SERR
B51
C#/BE1
B52
VDDQ
B53
AD14
B54
AD12
B55
GND
B56
AD10
B57
AD8
B58
VDDQ
B59
AD_STBF0
B60
AD7
B61
GND
B62
AD5
B63
AD3
B64
VDDQ
B65
AD1
B66
VREFCG
AGP-8X-ORANGE
TYPEDET#
GC_DET#
USB-
GND
INTA#
RST#
GNT
VCC3.3
MB_DET#
DBI_HI
GND
WBF
SBA1#
VCC3.3
SBA3#
SB_STBS
GND
SBA5#
SBA7#
RSVD
GND
RSVD(VBDET#)
VCC3.3
AD30
AD28
VCC3.3
AD26
AD24
GND
AD_STBS1
C#/BE3
VDDQ
AD22
AD20
GND
AD18
AD16
VDDQ
FRAME
KEY(RSYNC)
KEY(GND)
KEY(LSYNC)
KEY(VCC3.3)
TRDY
STOP
PME#
GND
AD15
VDDQ
AD13
AD11
GND
C#/BE0
VDDQ
AD_STBS0
GND
VDDQ
VREFGC
PAR
AD9
AD6
AD4
AD2
AD0
12V
ST1
AGP CONNECTOR DECOUPLING
put CAP clo se to AGP slot each POWER PIN
VCC3
+
EC27
1000U-6.3LE
VCC3
+
EC28
1000U-6.3LE
VCC3
C106
.1U
+12V
VDDQ
VCC3
A1
A2
A3
A4
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
GCDET-
INT-A
PCIRSTAGNT
ST1
DBI_HI
WBF
SBA-1
SBA-3
SBSTBSBA-5
SBA-7
AAD30
AAD28
AAD26
AAD24
AADSTB-1
ACBE-3
AAD22
AAD20
AAD18
AAD16
AFRAME
ATRDY
ASTOP
PME-
APAR
AAD15
AAD13
AAD11
AAD9
ACBE-0
AADSTB-0
AAD6
AAD4
AAD2
AAD0
GCDET- <7>
INT-A <9,11,22,23>
PCIRST- <11,20,22,23>
AGNT <7>
DBI_HI <7>
WBF <7>
AFRAME <7>
RSYNC <9>
LSYNC <9>
ATRDY <7>
ASTOP <7>
PME- <12,22,23,27>
APAR <7>
AVREFGC <7>
C137
.1U
GCDET-
.
R76
10K
R79
.
4.7K
close to 660
VDDQ
C135
.1U
SBA-[0..7]<7>
ST[0..2]<7>
ACBE-[0..3]<7>
AAD[0..31]<7>
AADSTB[0..1]<7>
AADSTB-[0..1]<7>
GCDETGraphic
Card
AVREFCG 0.750.35
APERR 0 1.5
VCCVCC3 VDDQ
.
R95
10K
QN1
B
2N3904-S
E C
SBA-[0..7]
ST[0..2]
ACBE-[0..3]
AAD[0..31]
AADSTB[0..1]
AADSTB-[0..1]
Low Hi
AGP 3.0 AGP 2.0
R96
.
75-1
DS
MN1
G
2N7002-S
VDDQ
.
R106
8.2K
DS
MN3
G
2N7002-S
.
R100
1K-1
.
R107
169-1
AVREFCG
.
R101
169-1
C145
.1U
APERR
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
AGP Slot
A
of
19 34Tuesday, October 14, 2003
8

1
ROUT
A A
ROUT<9>
GOUT
GOUT<9>
BOUT
BOUT<9>
C114
22P
C111
22P
2
C115
22P
3
VCC
L6 FB-80
L7 FB-80
L8 FB-80
.
.
.
R22
75-1
R23
75-1
R24
75-1
F2
PTC-1.1AS-O
RED
GREEN
BLUE
CV2
22P-VP
12
34
CV1
22P-VP
4
CV3
22P-VP
6
1
7
2
8
3
9
4
10
5
VGA1
CONN-VGA
16
17
11
12
13
14
15
5
DDC1DATA
HSYNC
VSYNC
DDC1CLK
VCC
.
R39
2.2K
CV6
22P-VP-O
CV5
22P-VP
VCC
.
CV4
22P-VP
R32
2.2K
6
CV7
22P-VP-O
DDC1DATA <9>
HSYNC <9>
VSYNC <9>
DDC1CLK <9>
7
8
Close to NB Close to Connector
Close to Connector
VCC VCC
B B
R268
PCIRST-<11,19,22,23>
4.7K
.
.
B
E C
R269
4.7K
QN11
2N3904-S
.
R266
4.7K
R271
22
.
IDERST-
B
QN12
2N3904-S
E C
IDEDA[0..15]<11>
IDEDA[0..15]
IDEDB[0..15]<11>
IDEDB[0..15]
SECONDARYPRIMARY
IDE2
1
2
3 4
5 6
7 8
9
10
11
12
13 14
1615
17 18
19 20
22
21
24
23
26
25
28
27
30
29
32
31
34
33
36
35
38
37
4039
H20*2-LPW-P20E
6
IDEDB8
IDEDB9
IDEDB10
IDEDB11
IDEDB12
IDEDB13
IDEDB14
IDEDB15
CBLIDB
IDESAB2
IDECS-B1
CBLIDB <11>
IDESAB2 <11>
IDECS-B1 <11>
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
Date: Sheet
7
661FX-M
VGA / IDE
of
20 34Monday, December 08, 2003
8
A
11
13 14
17 18
19 20
21
23
25
27
29
31
33
35
37
H20*2-LPB-P20E
2
IDE1
1
3 4
5 6
7 8
9
IDEDB7
IDERSTIDEDB7
IDEDB6
IDEDB5
IDEDB4
IDEDB3
IDEDB2
IDEDB1
IDEDB0
IDEREQB
IDEIOW-B
IDEIOR-B
ICHRDYB
IDEACK-B
IDEIRQB
IDESAB1
IDESAB0
IDECS-B0
HDDLED-1
.
R255
5.6K
2
10
12
1615
22
24
26
28
30
32
34
36
38
4039
IDEDA8
IDEDA9
IDEDA10
IDEDA11
IDEDA12
IDEDA13
IDEDA14
IDEDA15
CBLIDA
IDESAA2IDESAA0
IDECS-A1
HDDLED-0
HDDLED-1
3
CBLIDA <11>
IDESAA2 <11>
IDECS-A1 <11>
D21
LL4148-S
D19
LL4148-S
IDEREQB<11>
IDEIOW-B<11>
IDEIOR-B<11>
ICHRDYB<11>
IDEACK-B<11>
IDEIRQB<11>
IDESAB1<11>
IDESAB0<11>
IDECS-B0<11>
12
HDD- <34>
12
4
5
C C
IDEREQA<11>
IDEIOW-A<11>
IDEIOR-A<11>
ICHRDYA<11>
IDEACK-A<11>
IDEIRQA<11>
IDESAA1<11>
IDESAA0<11>
IDECS-A0<11>
D D
1
IDEDA7
IDERSTIDEDA7
IDEDA6
IDEDA5
IDEDA4
IDEDA3
IDEDA2
IDEDA1
IDEDA0
IDEREQA
IDEIOW-A
IDEIOR-A
ICHRDYA
IDEACK-A
IDEIRQA
IDESAA1
IDECS-A0
HDDLED-0
.
R264
5.6K

1
2
3
4
5
6
7
8
KBVCC
F3
USBVDD0
EC6
1000U-6.3LE
A A
USBVDD0
USBLAN1A
U1
AGND2
VCC
U2
-DATA0
U3
+DATA0
U4
GND
G1
HOLE
G2
HOLE
USB*2+LAN+LED
USBVDD0
UD4-
B B
VCC
-DATA1
+DATA1
GND
HOLE
HOLE
U5
UD5-
U6
UD5+UD4+
U7
U8
G3
G4
UD5UD5+
UD4-
UD4+
Close to USBLAN1 connector
UD0UD0+
UD2UD2+
+
UV5- <13>
UV5+ <13>
UV4- <13>
UV4+ <13>
UV0- <13>
UV0+ <13>
UV2- <13>
UV2+ <13>
12
34
RUE160-D
VCC_DUAL
USBVDD3
EC32
1000U-6.3LE
+
UV3+<13>
UV6+<13>
F6
12
34
PTC-2AS
USBVDD3
USB4
VCC1VCC
USB0-3USB1USB0+5USB1+
GND7GND
KEY9OC0
H5*2-P9E-YELLOW
USBVDD3
USB3
VCC1VCC
USB0-3USB1USB0+5USB1+
GND7GND
KEY9OC0
H5*2-P9E-YELLOW
VCC_DUAL
2
4
6
8
10
2
4
6
8
10
UV1- <13>UV3-<13>
UV1+ <13>
UV7- <13>UV6-<13>
UV7+ <13>
USB2
1
AGND2
2
3
4
9
10
VCC
-DATA0
+DATA0
GND
HOLE
HOLE
USB-DUAL
UD2UD2+
C C
VCC
-DATA1
+DATA1
GND
HOLE
HOLE
.
5
UD0-
6
UD0+
7
8
11
12
R7
0-08
Close to USB1394A_J1 connector
Intel USB Header ACER USB Header
VCC
DATA-
DATA+ DATA+
GND GND
CUT N.C.
VCC
DATA-
VCC
DATA-
DATA+
GND
GND
VCC
DATA-
DATA+
CUT
GND
USB port
Control 0
D D
Control 1
Control 2
0, 3, 6
1, 4, 7
2, 5
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
USB
A
of
21 34Tuesday, October 14, 2003
8

1
2
3
4
5
6
7
8
CBE-[0..3]
AD[0..31]
PCIRST- <11,19,20,23>
PGNT-1 <11>
AD21
VCC3
TRST-
TMS
TDI
INT-C
INT-A
VCC3_DUAL
PCIRST-
PGNT-1
PME-
AD30
AD28
AD24
R98 100-1
AD22
AD20
AD18
FRAMETRDYSTOP-
PAR
AD15
AD13
AD9
CBE-0
AD6
AD4
AD2
PREQ64-2
CBE-[0..3]<11,23>
AD[0..31]<11,23>
.
PCI Slot 1 & 2
VCC VCC
A A
TCK
TCK<23>
INT-C<11,23>
INT-A<9,11,19,23>
PCICLK1<15>
PREQ-0<11>
B B
IRDY-<11,23>
DEVSEL-<11,23>
PLOCK-<11,23>
PERR-<23>
SERR-<11,23>
C C
INT-C
INT-A
PCICLK1
PREQ-0
AD31 AD30
AD29
AD27 AD26
AD25
CBE-3 AD20
AD23
AD21 AD20
AD19
AD17 AD16
CBE-2
IRDYDEVSELPLOCK-
PERRSERR-
CBE-1 AD15
AD14
AD12 AD11
AD10
AD8
AD7
AD5 AD4
AD3
AD1 AD0
PACK64-1 PREQ64-1
-12V +12V
VCC3 VCC3
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
B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62
PCI1
-12V
TCK
GROUND
TDO
+5V
+5V
INT#[B]
INT#[D]
PRSNT#[1]
RESERVED
PRSNT#[2]
GROUND
GROUND
RESERVED
GROUND
CLK
GROUND
REQ#
+5V
AD[31]
AD[29]
GROUND
AD[27]
AD[25]
+3.3V
C/BE#[3]
AD[23]
GROUND
AD[21]
AD[19]
+3.3V
AD[17]
C/BE#[2]
GROUND
IRDY#
+3.3V
DEVSEL#
GROUND
LOCK#
PERR#
+3.3V
SERR#
+3.3V
C/BE#[1]
AD[14]
GROUND
AD[12]
AD[10]
GROUND
AD[8]
AD[7]
+3.3V
AD[5]
AD[3]
GROUND
AD[1]
+5V(I/O)
ACK64#
+5V
+5V
PCI-W
TRST#
+12V
TMS
INT#[A]
INT#[C]
RESERVED
+5V(I/O)
RESERVED
GROUND
GROUND
3.3V_AUX
RST#
+5V(I/O)
GNT#
GROUND
PME#
AD[30]
+3.3V
AD[28]
AD[26]
GROUND
AD[24]
IDSEL
+3.3V
AD[22]
AD[20]
GROUND
AD[18]
AD[16]
+3.3V
FRAME#
GROUND
TRDY#
GROUND
STOP#
+3.3V
RESERVED
RESERVED
GROUND
PAR
AD[15]
+3.3V
AD[13]
AD[11]
GROUND
AD[9]
C/BE#[0]
+3.3V
AD[6]
AD[4]
GROUND
AD[2]
AD[0]
+5V(I/O)
REQ64#
A1
A2
A3
A4
TDI
A5
+5V
A6
A7
A8
+5V
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
A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
+5V
A62
+5V
TRST-
TMS
TDI
INT-B
INT-D
VCC3_DUAL
PCIRSTPGNT-0
PME-
AD28
AD24
R87 100-1
.
AD22
AD18
FRAMETRDYSTOP-
PAR
AD13
AD9
CBE-0
AD6
AD2
TRST- <23>
TMS <23>
TDI <23>
INT-B <11,19,23>
INT-D <11,23>
PGNT-0 <11>
PME- <12,19,23,27>
FRAME- <11,23>
TRDY- <11,23>
STOP- <11,23>
PAR <11,23>
TCK
INT-D
INT-B
PCICLK2
PCICLK2<15>
PREQ-1
PREQ-1<11>
AD31
AD29
AD27 AD26
AD25
CBE-3
AD23
AD21
AD19
AD17 AD16
CBE-2
IRDYDEVSELPLOCK-
PERRSERRCBE-1
AD14
AD12 AD11
AD10
AD8
AD7
AD5
AD3
AD1 AD0
PACK64-2
IDSEL=AD20
INT[B,C,D,A]
VCC3
VCC
-12V
PCI2
B1
-12V
B2
TCK
B3
GROUND
B4
TDO
B5
+5V
B6
+5V
B7
INT#[B]
B8
INT#[D]
B9
PRSNT#[1]
B10
RESERVED
B11
PRSNT#[2]
B12
GROUND
B13
GROUND
B14
RESERVED
B15
GROUND
B16
CLK
B17
GROUND
B18
REQ#
B19
+5V
B20
AD[31]
B21
AD[29]
B22
GROUND
B23
AD[27]
B24
AD[25]
B25
+3.3V
B26
C/BE#[3]
B27
AD[23]
B28
GROUND
B29
AD[21]
B30
AD[19]
B31
+3.3V
B32
AD[17]
B33
C/BE#[2]
B34
GROUND
B35
IRDY#
B36
+3.3V
B37
DEVSEL#
B38
GROUND
B39
LOCK#
B40
PERR#
B41
+3.3V
B42
SERR#
B43
+3.3V
B44
C/BE#[1]
B45
AD[14]
B46
GROUND
B47
AD[12]
B48
AD[10]
B49
GROUND
B52
AD[8]
B53
AD[7]
B54
+3.3V
B55
AD[5]
B56
AD[3]
B57
GROUND
B58
AD[1]
B59
+5V(I/O)
B60
ACK64#
B61
+5V
B62
+5V
PCI-W
IDSEL=AD21
INT[C,D,A,B]
TRST#
+12V
TMS
INT#[A]
INT#[C]
RESERVED
+5V(I/O)
RESERVED
GROUND
GROUND
3.3V_AUX
RST#
+5V(I/O)
GNT#
GROUND
PME#
AD[30]
+3.3V
AD[28]
AD[26]
GROUND
AD[24]
IDSEL
+3.3V
AD[22]
AD[20]
GROUND
AD[18]
AD[16]
+3.3V
FRAME#
GROUND
TRDY#
GROUND
STOP#
+3.3V
RESERVED
RESERVED
GROUND
PAR
AD[15]
+3.3V
AD[13]
AD[11]
GROUND
AD[9]
C/BE#[0]
+3.3V
AD[6]
AD[4]
GROUND
AD[2]
AD[0]
+5V(I/O)
REQ64#
VCC
+12V
A1
A2
A3
A4
TDI
A5
+5V
A6
A7
A8
+5V
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
A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
+5V
A62
+5V
VCC3
STOPPLOCK-
D D
PERR-
RN15
4.7K-8P4R
1
VCC
12
34
56
78
DEVSELTRDYIRDYFRAME-SERR-
PACK64-2
PREQ64-2
PACK64-1
PREQ64-1
2
RN14
1 2
3 4
5 6
7 8
4.7K-8P4R
RN20
1 2
3 4
5 6
7 8
4.7K-8P4R
VCC
TRSTTCK
TMS
TDI
3
RN10
4.7K-8P4R
VCC
78
56
34
12
4
C100
.1U
PCI p
每個 插槽
各放一顆
C94
.1U
in A33
5
C102
.1U
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
6
Date: Sheet
7
661FX-M
PCI Slot1,2
A
of
22 34Tuesday, October 14, 2003
8

1
2
3
4
5
6
7
8
CBE-[0..3]<11,22>
AD[0..31]<11,22>
VCC VCC
A A
TCK<22>
INT-A<9,11,19,22>
INT-C<11,22>
PCICLK3<15>
PREQ-2<11>
B B
IRDY-<11,22>
DEVSEL-<11,22>
PLOCK-<11,22>
PERR-<22>
SERR-<11,22>
C C
TCK
INT-A INT-B
INT-C
PCICLK3
PREQ-2
AD31 AD30
AD29
AD27 AD26
AD25
CBE-3 AD22
AD23
AD21 AD20
AD19
AD17 AD16
CBE-2
IRDYDEVSELPLOCK-
PERRSERRCBE-1 AD15
AD14
AD12 AD11
AD10
AD8 CBE-0
AD7
AD5 AD4
AD3
AD1 AD0
PACK64-3 PREQ64-3
-12V +12V
VCC3 VCC3
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
B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62
PCI3
-12V
TCK
GROUND
TDO
+5V
+5V
INT#[B]
INT#[D]
PRSNT#[1]
RESERVED
PRSNT#[2]
GROUND
GROUND
RESERVED
GROUND
CLK
GROUND
REQ#
+5V
AD[31]
AD[29]
GROUND
AD[27]
AD[25]
+3.3V
C/BE#[3]
AD[23]
GROUND
AD[21]
AD[19]
+3.3V
AD[17]
C/BE#[2]
GROUND
IRDY#
+3.3V
DEVSEL#
GROUND
LOCK#
PERR#
+3.3V
SERR#
+3.3V
C/BE#[1]
AD[14]
GROUND
AD[12]
AD[10]
GROUND
AD[8]
AD[7]
+3.3V
AD[5]
AD[3]
GROUND
AD[1]
+5V(I/O)
ACK64#
+5V
+5V
PCI-W-O
TRST#
+12V
TMS
INT#[A]
INT#[C]
RESERVED
+5V(I/O)
RESERVED
GROUND
GROUND
3.3V_AUX
RST#
+5V(I/O)
GNT#
GROUND
PME#
AD[30]
+3.3V
AD[28]
AD[26]
GROUND
AD[24]
IDSEL
+3.3V
AD[22]
AD[20]
GROUND
AD[18]
AD[16]
+3.3V
FRAME#
GROUND
TRDY#
GROUND
STOP#
+3.3V
RESERVED
RESERVED
GROUND
PAR
AD[15]
+3.3V
AD[13]
AD[11]
GROUND
AD[9]
C/BE#[0]
+3.3V
AD[6]
AD[4]
GROUND
AD[2]
AD[0]
+5V(I/O)
REQ64#
A1
A2
A3
A4
TDI
A5
+5V
A6
A7
A8
+5V
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
A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
+5V
A62
+5V
TRST-
TMS
TDI
INT-D
VCC3_DUAL
PCIRSTPGNT-2
PME-
AD28
AD24
R92 100-1
.
AD22
AD18
FRAMETRDYSTOP-
PAR
AD13
AD9
AD6
AD2
TRST- <22>
TMS <22>
TDI <22>
INT-D <11,22>
INT-B <11,19,22>
PCIRST- <11,19,20,22>
PGNT-2 <11>
PME- <12,19,22,27>
FRAME- <11,22>
TRDY- <11,22>
STOP- <11,22>
PAR <11,22>
CBE-[0..3]
AD[0..31]
VCC
R353 10K
.
SMBCLK<12,15,16,17>
SYNC<12,25>
SDATO<12,25>
BIT_CLK<12,25>
CNR1
B1
MII_MDIO
B2
MII_COL
B3
MII_TXEN
B4
GND
B5
MII_RXERR
B6
MII_TXD3
B7
GND
B8
MII_TXD1
B9
MII_TXC
B10
GND
B11
MII_RXD2
B12
SB5V
-12VVCC3
SYNC
SDATO SDATI0
BIT_CLK
.
R355
10K
MII_RXD0
B13
GND
B14
RESERVED
B15
+5VDUAL
B16
USB_OC#
B17
GND
B18
-12V
B19
+3.3VD
KEY
B20
GND
B21
EE_DOUT
B22
EE_SHCLK
B23
GND
B24
SMB_A0
B25
SMB_SCL
B26
PRIMARY_DN#
B27
GND
B28
AC97_SYNC
B29
AC97_SDATA_OUT
B30
AC97_BITCLK
CNR
AC97_RESET#
AC97_SDATA_IN1
AC97_SDATA_IN0
MII_MDC
MII_CRS
GND
MII_RXDV
MII_RXC
GND
MII_TXD2
MII_TXD0
GND
RESERVED
MII_RXD3
MII_RXD1
USB+
GND
USB+12V
GND
+3.3VDUAL
+5VD
GND
EE_DIN
EE_CS
SMB_A1
SMB_A2
SMB_SDA
RESERVED
GND
KEY
A1
A2
A3
A4
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
+12V
SMBDATSMBCLK
AC97_RST-
SDATI1
VCC3_DUAL
.
.
VCC
R352 10K
R354 10K
SMBDAT <12,15,16,17>
AC97_RST- <12,25>
SDATI1 <12>
SDATI0 <12,25>
VCC
IDSEL=AD22
INT[D,A,B,C]
PREQ64-3
PACK64-3
D D
RN21
1 2
3 4
5 6
7 8
4.7K-8P4R
VCC
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
PCI Slot3
A
of
23 34Tuesday, October 14, 2003
8

1
LPHYX1
Y7
25M
LPHYX2
A A
C292
27P
12
3
C293
27P
VCC3_DUAL
R359
1.5K-1
MDC<12>
MDIO<12>
TXD0<12>
TXD1<12>
TXD2<12>
TXD3<12>
TXEN<12>
R363 22
TXCLK<12>
VDD25
VCC3_DUAL
RXDV<12>
RXD0<12>
RXD1<12>
RXD2<12>
RXD3<12>
RXCLK<12>
COL<12>
CRS<12>
RXER<12>
BC80
.1U
R364 22
BC79
.1U
BC81
.1U
PLED0
R367 4.7K
PLED4
PLED3
PLED2
PLED1
B B
C C
MDC
MDIO
TXD0
TXD1
TXD2
TXD3
TXEN
RXDV
RXD0
RXD1
RXD2
RXD3
COL
CRS
RXER
LPHYX1
LPHYX2
RN66
78
56
34
12
4.7K-8P4R
2
PLED0
PLED1
PLED2
PLED3
PLED4
L58 FB-120
VDD25
25
26
6
5
4
3
2
7
22
21
20
19
18
16
1
23
24
46
47
9
10
12
13
15
8
14
48
11
17
45
VCC3_DUAL
1 2
U22
MDC
MDIO
TXD0
TXD1
TXD2
TXD3
TXEN
TXC
RXDV
RXD0
RXD1
RXD2
RXD3
RXC
COL
CRS
RXER
X1
X2
LED0/PHYA0
LED1/PHYA1
LED2/PHYA2
LED3/PHYA3
LED4/PHYA4
DVDD25
DVDD33
DVDD33
DGND
DGND
DGND
PHY address set to 01h
BC75
.1U
RTL8201
RTL8201
BC82
.1U
3
AVDD25
AVDD33
AGND
AGND
VCTRL
TPRX+
TPRX-
TPTX-
TPTX+
RTSET
PWD
REPT
SPEED
DUPLEX
ANE
LDPS
MII/SNIB
RESETB
PWFBOUT
32
36
29
35
27
31
30
33
34
28
43
40
39
38
37
41
44
42
L59 FB-120
1 2
BC76
.1U
RXIN+
RXIN-
TXDTXD+
RN63
4.7K-8P4R
R366
4.7K
4
VCC3_DUAL
R365
5.76K-1
1 2
3 4
5 6
7 8
C294
1U
5
BC73
.1U
BC77
.1U
TXOUT+
TXOUTRXOUT+
RXCT
TXCT
RXOUT-
RN64
4.7K-8P4R
1 2
3 4
5 6
7 8
VCC3_DUAL
1 2
+
AGND2
.
R356
49.9-1
.
R361
49.9-1
3 4
5 6
7 8
CC1
1000P-3KVD
6
RN65
75-8P4R
.
.
R357
49.9-1
RXIN+
RXIN-
PWFBOUT
TXD+
PWFBOUT
TXD-
R362
49.9-1
R358 0-O
R360 0-O
USBLAN1B
L1
TX+
L2
TX-
L3
RX+
L4
NC
L5
NC
L6
RX-
L7
NC
L8
NC
USB*2+LAN+LED
PLED0
PLED1
SPEED
LINK
HOLE
HOLE
HOLE
HOLE
BC74
.1U
BC78
.1U-O
1
2
3
4
16
14
15
8
L10
L12
L9
L11
G5
G6
G7
G8
7
T1
RD+
RDRDCT
NC
TD+
TDCT
TD-
NC
LF-H50X-D
RX+
RXCT
TXCT
8
RXOUT+
7
RXCT
5
RXOUT-
6
RX-
13
NC
TXOUT+
10
TX+
TX-
NC
TXCT
12
TXOUT-
11
9
AGND2
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
LAN PHY
A
of
24 34Monday, December 08, 2003
8

1
2
3
4
5
6
7
8
+12V
A A
+5VA
BC9
C25
1U
.1U
R46
1K-1
B B
SPDIFO
SPDIFO<26>
CODECCLK<15>
SDATO<12,23>
BIT_CLK<12,23>
SDATI0<12,23>
SYNC<12,23>
AC97_RST-<12,23>
C C
SDATO
BIT_CLK
SDATI0
SYNC
AC97_RST-
VCC3
C36
.1U
.
R51 22
.
R52 22
BC20
1U
AGND
.
XTLSEL
1
2
3
4
5
6
7
8
9
10
11
12
.
R50
0-O
U2
DVdd1
XTL_IN
XTL_OUT
DVss1
SDATA_OUT
BIT_CLK
DVss2
SDATA_IN
DVdd2
SYNC
RESET#
PC_BEEP
40
42
44
41
43
AVss2
LFE_OUT
CENTER_OUT
SURROUND_OUT_R
38
39
NC
AVdd2
SURROUND_OUT_L
46
48
47
45
FR_ON
HP_ON
SPDIFO
EAPD / SPDIF IN
PHONE13AUX_IN_L14AUX_IN_R15VIDEO_L16VIDEO_R17CD_L18CD_GND19CD_R20MIC121MIC222LINE_IN_L23LINE_IN_R
37
MONO_OUT
LINE_OUT_R
LINE_OUT_L
LFE_FILT
HP_OUT_R
HP_OUT_L
AFILT2
AFILT1
Vrefout
AVss1
AVdd1
24
ALC655
NC
Vref
36
35
34
33
32
31
30
29
28
27
26
25
+5VA
JD0 <26>
C21
.1U
BC8
1U
ADOUTR
ADOUTL
SMIC
VREFOUT
ADOUTR <26>
ADOUTL <26>
SMIC <26>
C16
4.7U-16V-08
C15
220P
C14
220P
BC7
1U
BC6
1U-O
C49
.1U
R59 0-08
R69 0-08
I
.
.
U5
GS78L05N-D
VIN
AGND
VOUT
GND
G
+5VA
O
EC4
22U-25SE
AGND
BC19
1U
AGND
AUXIN_L<26>
AUXIN_R<26>
D D
AUXIN_L
AUXIN_R
JD2<26>
JD1<26>
CDL
CDL<26>
CDG
CDG<26>
CDR
CDR<26>
MIC1
MIC1<26>
MIC2
MIC2<26>
LINL
LINL<26>
LINR
LINR<26>
AGND
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Audio Codec
A
of
25 34Tuesday, October 14, 2003
8

1
A A
R33
BC1
22
1U
SMIC
B B
C C
SMIC
+5VA
ADOUTR<25>
ADOUTL<25>
.
R16
22
.
R17
22
MIC1<25>
R13
8.2K-O
1 2
EC2
100U-16SE
1 2
EC1
100U-16SE
BC11
1U
.
+
+
AGND
.
.
AGND AGND
C26
4700P
L9
FB-600
R11
22K
R37
22
.
VREFOUT
.
12
2
+5VA
R3
22K
.
R19
8.2K
.
FMIC
FMIC_BIAS
EAROUTR
EAROUTL
R34
8.2K
AUDIO1
1
MIC
MIC_BIAS3VCC
EAROUTR5LOUTR
7
RSVD
EAROUTL9LOUTL
H5*2-P8E-PURPLE
JD0<25>
L1
FB-600
12
AGND
AGND
GND
KEY
C28
2.2U
R45
15K
.
C2
1000P
2
4
6
8
10
MICI
3
+5VA
LOUTR
LOUTL
D4
0-12
1 2
AGND
MC28
10U-10V-08
MC29
10U-10V-08
CD-IN
XLOUTR
XLOUTL
CDIN1
H4*1-LP
4
R47
1K-1
.
R43
1K-1
1
2
3
4
R41
1K-1
.
.
.
R48
100K
5
R26
BC4
22
LINR<25>
LINL<25>
2.2U
BC3
2.2U
.
R42
100K
.
.
R25
.
22
.
R40
100K
BC16
1U
BC15
1U
BC13
1U
R15
47K-O
XLOUTR
XLOUTL
CDL <25>
CDG <25>
CDR <25>
6
JD2<25>
L11
FB-600
L12
.
R35
47K-O
FB-600
L4
FB-600
L3
FB-600
C13
C20
1000P
1000P
AGNDAGND AGNDAGND
JD1<25>
C8
C6
1000P
1000P
AGNDAGND
JD0<25>
XBASS
MICI
AGND
AGND
AGND
7
C283
1U-O
C284
1U-O
C285
1U-O
R5
10K-O
R4
10K-O
R1
10K-O
8
.
5
AGND
4
3
2
1
JS1A
AUDIO-TRAIPLE
BLUE
Line In
.
10
AGND
9
8
7
6
JS1B
AUDIO-TRAIPLE
LIME
Line Out
.
15
AGND
14
13
12
11
16
17
JS1C
AUDIO-TRAIPLE
PINK
Mic
VREFOUT
.
R18
BC2
MIC2<25>
D D
1
1U
AUXIN_L<25>
AUXIN_R<25>
R9
22
AUXIN_L
AUXIN_R
8.2K
.
BC17
1U-O
BC18
1U-O
AGND
2
.
AGND
1 2
R10
4.7K-O
AUXIN1
H4*1-LP-O
L2
FB-600
1
2
3
4
AGND
XBASS
C5
1000P
+5VA
SPDIFO
SPDIFO<25>
C42
.1U-O
3
4
AGNDAGND AGND
SPDIFO1
1
2
3
4
H4*1-P3E-O
5
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
6
Date: Sheet
7
661FX-M
Audio Interface
A
of
26 34Tuesday, October 14, 2003
8

1
2
3
4
5
6
7
8
PD[0..7]
RN59
22-8P4R
BAT
BUSY
SLCT
VIN0
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
VIN7
VREF
TMPIN1
TMPIN2
TMPIN3
WPT#
INDEX#
TRK0#
RDATA#
WGATE#
HDSEL#
L57
0
RN60
22-8P4R
R295 22
.
U17
102
101
PE
100
98
97
96
95
94
93
92
91
90
89
88
87
85
84
83
82
81
80
79
78
75
74
73
72
71
70
69
68
66
65
ITE8705F
VIN1
R278 4.7K
.
PME-
R254 0
.
PD7
PD5
PD4
PD3
PD1
PD0
PD2
118
120
119
121
RI1#
CTS1#
DCD1#
DTR1#/JP1
JSACY/GP41
JSAB1/GP4251JSAB2/GP4352JSBCX/GP44
50
53
54
PD6
RN57
22-8P4R
1 2
3 4
5 6
7 8
113
114
115
116
PD4
PD5
PD6
PD7
DENSEL#57MTRA#58MTRB#59DRVA#60DRVB#61WDATA#62DIR#63STEP#
JSBCY/GP45
JSBB1/GP4655JSBB2/GP47
56
RN58
22-8P4R
SB5V
1 2
3 4
5 6
7 8
109
110
111
112
106
105
104
PD3
PD2
PD1
PD0
108
STB#
107
AFD#
64
ERR#
103
INIT#
ACK#
SLIN#
4
35
VCC
VCC
FAN_CTL3/GP62
FAN_CTL2/GP61
FAN_CTL1/GP60
FA18/FAN_TAC3/G
FAN_TAC2/GP56
FAN_TAC1/GP55
GNDD
GND
GNDA
GNDD
15
43
86
117
76
99
77
VCC
VBAT
VCCH
CIRRX/GP67
CIRTX/GP66
IRRX/GP65
IRTX/GP64
PME#/GP63
DSKCHG#
GNDD
67
HM-AGND <5,30>
DCD-A<29>
RI-A<29>
CTS-A<29>
DTR-A<29>
A A
B B
C C
RTS-A<29>
DSR-A<29>
SOUTA<29>
SINA<29>
FD[0..7]
FD[0..7]<28>
FA[0..17]<28>
LAD[0..3]<12>
SIOPCIRST-<11>
LFRAME-<12>
FA[0..17]
FRD-<28>
LDRQ-<12>
SIRQ<12>
LAD[0..3]
SIOPCLK<15>
SIO24M<15>
FCS-<28>
FWE-<28>
DCD-A ACKRI-A BUSY
CTS-A PE
DTR-A
RTS-A
DSR-A
SOUTA
SINA
126
122
128
123
124
127
125
RI2#
DTR-B
SOUTB VIN0
FD0
FD1
FD2
FD3
FD4
FD5
FD6 SIOVREF
FD7
FA0
FA1
FA2
FA3
FA4
FA5
FA6
FA7
FA8
FA9
FA10
FA11
FA12
FA13
FA14
FA15
FA16
FA17
FRD-
LDRQSIRQ
LAD0
LAD1
LAD2
LAD3
SIOPCLK
SIO24M
PCIRSTLFRAMEFCSFWE-
1
2
3
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
DTR2#/JP4
RTS2#
DSR2#
SOUT2/JP5
SIN2
FD0/GP10
FD1/GP11
FD2/GP12
FD3/GP13
FD4/GP14
FD5/GP15
FD6/GP16
FD7/GP17
FA0/GP20
FA1/GP21
FA2/GP22
FA3/GP23
FA4/GP24
FA5/GP25
FA6/GP26
FA7/GP27
FA8/GP30
FA9/GP31
FA10/GP32
FA11/GP33
FA12/GP34
FA13/GP35
FA14/GP36
FA15/GP37
FA16/GP50
FA17/GP51
FRD#/GP52
LDRQ#
36
LAD1
37
39
SIN1
CTS2#
DSR1#
DCD2#
RTS1#/JP2
SOUT1/JP3
ITE 8705
LAD240LAD038SERIRQ
LAD3
LFRAME#46PCICLK42CLKIN
LRESET#45FCS#/GP5347FWE#/GP54
JSACX/GP40
41
44
48
49
78
56
34
12
78
56
34
12
BC70
.1U-O
STBAFDERR-
INIT
SLIN-
SLCT
BATSB5VVCC VCC
PD[0..7] <29>
STB- <29>
AFD- <29>
ERR- <29>
INIT <29>
SLIN- <29>
ACK- <29>
BUSY <29>
PE <29>
SLCT <29>
BC65
BC71
.1U-O
.1U-O
VIN0 <30>
VIN1 <30>
SIOVREF <30>
TMPIN1 <5,30>
TMPIN2 <30>
VCC
THERM- <12>
PME- <12,19,22,23>
FAN_CTL1 <30>
FA18 <28>
FAN_TAC2 <30>
FAN_TAC1 <30>
DSKCHG- <28>
WP- <28>
INDEX- <28>
TRK0- <28>
RDATA- <28>
WE- <28>
HEAD- <28>
STEP- <28>
DIR- <28>
WD- <28>
DS-B <28>
DS-A <28>
MO-B <28>
MO-A <28>
RWC- <28>
ITE 8705 POWER ON TRAPS
VCC
DTR-B
SOUTA<29>
RTS-A<29>
DTR-A<29>
1.If use LPC ROM, pull down
DTR#A RTS#A SOUTA DTR#B
2.If use Legacy 2MB flash rom, pull high
DTR#A RTS#A SOUTA DTR#B
3.If use Legacy 4MB flash rom, pull high
DTR#A RTS#A SOUTA DTR#B SOUTB
SOUTB
RN56
1 2
3 4
5 6
7 8
1K-8P4R
.
R251
1K-1
.
R253
1K-1-O
VCC
POWER ON TRAP
SOUTB
HIGH: 4M FLASH ROM ENABLE
(PIN 75 IS FA18)
LOW : PIN 75 IS FAN_TAC3
D D
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Super I/O
A
of
27 34Monday, December 08, 2003
8

1
A A
KBDAT
PMDAT
KBCLK
PMCLK
KBDAT<12>
B B
KBCLK<12>
KBDAT
KBCLK
1 2
3 4
5 6
7 8
RN7
4.7K-8P4R
KBVCC
2
KBVCC
L19
FB-600-08-PW
L18
0
L16
0
KBD
KBC
3
CONNECTOR VIEW
12 11
. .
10 9
. .
8 7
. .
56
.
.
4 3
. .
2 1
. .
PSKBM1
1
2
3
4
5
6
4
5
6
7
8
TOP VIEW
12 11
. .
. . . .
10 8 7 9
6 5
. .
. . . .
4 2 1 3
FD[0..7]<27>
FA[0..17]<27>
FWE-
13
14
15
FWE-<27>
JP3
1
2
3
H3*1
JP3 BI OS PR OTEC T
1-2
Write Enable
Write Disable2-3
VCC
.
R273
10K
FD[0..7]
FA[0..17]
VCC
R252
4.7K
.
FCS-<27>
FRD-<27>
FA18<27>
FA0
FA1
FA2
FA3
FA4
FA5
FA6
FA7
FA8
FA9
FA10
FA11
FA12
FA13
FA14
FA15
FA16
FA17
FCSFRDFA18
PGM-
VCC
32
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
30
22
24
1
31
16
BC64
.1U
ROM1
VCC
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
CE
OE
VPP
PGM
GND
PLCC-32PBR
O0
O1
O2
O3
O4
O5
O6
O7
FD1
14
FD2
15
FD3
17
FD4
18
FD5
19
FD6
20
FD7
21
VCC
FD0
FD1
FD2
FD3
FD4
FD5
FD6
FD7
RN55
4.7K-8P4R
7 8
5 6
3 4
1 2
RN54
4.7K-8P4R
7 8
5 6
3 4
1 2
FD0
13
R306
7 8
5 6
3 4
1 2
FDC
.
RN61
150-8P4R
L17
PMDAT
PMDAT<12>
PMCLK
PMCLK<12>
C C
0
L15
0
PLACE NEAR CONNECTOR
PMD
KBD
D D
246
3
1
5
87
CP7
180P-8P4C-O
KBC
PMC
PMD
PMC
C24
.1U
7
8
9
10
11
12
MINI-DUAL-6P-CSR
16
17
FDD1
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 32
33 34
H17*2-LPW-P5E
RWC-
INDEXMO-A
DS-B
DS-A
MO-B
DIR-
STEPWDWE-
TRK0-
WP-
RDATA-
HEAD-
DSKCHG-
VCC
150-1
RWC- <27>
INDEX- <27>
MO-A <27>
DS-B <27>
DS-A <27>
MO-B <27>
DIR- <27>
STEP- <27>
WD- <27>
WE- <27>
TRK0- <27>
WP- <27>
RDATA- <27>
HEAD- <27>
DSKCHG- <27>
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
KB/MS/ROM/FDC/IR
of
28 34Tuesday, October 14, 2003
8
A

1
2
3
4
5
6
7
8
COM
A A
VCC
U1
20
SOUTA
SOUTA<27>
RTS-A
RTS-A<27>
DTR-A
DTR-A<27>
DCD-A
DCD-A<27>
SINA
SINA<27>
DSR-A
DSR-A<27>
CTS-A
CTS-A<27>
RI-A
RI-A<27>
B B
16
15
13
19
18
17
14
12
11
VCC
DA1
DA2
DA3
RY1
RY2
RY3
RY4
RY5
GND
ST75185CT-S
+12V
DY1
DY2
DY3
RA1
RA2
RA3
RA4
RA5
-12V
1
NSOUTA
5
NRTSA
6
NDTRA
8
NDCDA
2
NSINA
3
NDSRA
4
NCTSA
7
NRIA
9
10
close to IC
12
D1
LL4148-S
1 2
D20
LL4148-S
+12V
NRIA <30>
-12V
PRT
VCC
C C
D D
1
PD1
INIT
PD2
SLINPD3
PD4
PD5
PD6
STBAFDPD0
ERRPD7
PE
BUSY
ACKSLCT
8 7
6
4
2
C22
220P
CP4
8 7
6
4
2
180P-8P4C-O
CP3
180P-8P4C-O
R31 0-O
2
5
3
1
5
3
1
.
CP5
8 7
6
4
2
180P-8P4C-O
CP6
8 7
6
4
2
180P-8P4C-O
12
D2
LL4148-S
ERR- STB-
1 2
PD0 AFD-
3 4
AFD- PD0
5 6
5
3
1
5
3
1
3
STB- ERR-
7 8
ACK- PD1
1 2
BUSY INIT
3 4
PE PD2
5 6
PD7 SLIN-
7 8
SLCT PD4
R30
.
SLIN- PD6
1 2
PD2
3 4
INIT PD7
5 6
PD1
7 8
PD6 ACK-
1 2
PD5
3 4
PD4 BUSY
5 6
PD3
7 8
2.2K
RN1
2.2K-8P4R
RN4
2.2K-8P4R
RN2
2.2K-8P4R
RN3
2.2K-8P4R
4
COM1 USE CONNECT OR
8 7
6
4
2
180P-8P4C-O
STB-<27>
AFD-<27>
INIT<27>
ACK-<27>
PE<27>
CP2
COM1
1
6
2
7
3
8
4
9
5
CONN-COM
5
3
1
PD3
PD5
PE
SLCT
5
CP1
8 7
6
4
2
180P-8P4C-O
PD[0..7]<27>
NDCDA
NDSRA
NSINA
NRTSA
NSOUTA
NCTSA
NDTRA
NRIA
NSOUTA
NDSRA
NSINA
NDCDA
NRIA
NDTRA
NCTSA
NRTSA
ERR-<27>
SLIN-<27>
BUSY<27>
SLCT<27>
11
10
5
3
1
PD[0..7]
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
CONN-PRINTER
LPT1
H3 TH8
1
2
3
4 5
26
27
28
1
2
3
4 5
H5 TH8
8
7
6
9
8
7
6
9
H2 TH8
1
2
3
4 5
9
H6 TH8
1
2
3
4 5
9
8
7
6
AGNDAG ND
8
7
6
H4 TH8
1
2
3
4 5
9
H1 TH8
1
2
3
4 5
9
8
7
6
8
7
6
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
6
Date: Sheet
7
661FX-M
COM 1,2 / LPT
A
of
29 34Tuesday, October 14, 2003
8

1
2
3
4
5
6
7
8
Layout :
Power Signals : CPUFAN, CASEFAN, PWRFAN trace width should > 20 mil with current 200 mA .
VCC
.
R224
4.7K-O
A A
B B
FAN_CTL1<27>
FAN_TAC1<27>
R223
15K-O
.
VCC
R220
4.7K
Near to 8705 chip
.
+
EC46
22U-25SE-O
C264
470P
R216
-
6
+
5
U18B
4 11
LM324-S
+12V
.
R324
2.2K-O
1 2
1K-1-O
7
.
R219
330-O
.
R323
3.6K-O
D17
LL4148-S
FAN pin 3 - SENSE is O' C
Some Fans are totem pole
+12V
.
E
Q1
B
HA8550-D-O
C
H3*1-POW-AMP1-DR
CPUFAN1
1
GND
2
+12V
3
SENSE
.
R225
0-08
12
+
EC39
100U-16E-O
NRIA<29>
Active
D9 LL4148-S
NRIA
1 2
NRIA/NRIB
+12V Low
RI#
High-12VNormal
R125
10K
.
R116
10K
QN4
B
2N3904-S
E C
.
SB5V
.
R115
4.7K
C110
1000P
RING
RING <12>
Temperature Monitor
Choosing method of measuring temperature by
either thermistor or diode
SIOVREF<27>
.
R308
C271
R294
4.7K
VCC
FAN_TAC2<27>
C C
.
D8
LL4148-S
1 2
C268
470P
Near to 8705 chip
FAN pin 3 - SENSE is O' C
Some Fans are totem pole
+12V
CASFAN1
1
GND
2
+12V
3
SENSE
H3*1-POW-AMP1
TMPIN1<5,27>
TMPIN2<27>
HM-AGND<5,27>
1U
10K-1
RT4
NTC-10K-S
C272
.1U
t
FOR SYSTEM FOR CPU
.
R302
30K-1
C270
1U
CPUTMP_A <5,27>
CPUTMP_C <5,27>
Voltage Monitor
VCC_DIMMVCCP
.
R316
.
10K-1
R315
10K-1
VIN0<27>
D D
VIN1<27>
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
HM / FAN / RING
30 34Tuesday, October 14, 2003
8
A
of

1
+12V
02-324-063810
U15
A A
C228
.1U
8
7
6
5
C223
1000P
DC
IS
VCC
COMP
GS34063-S
GND
1
SC
2
SE
3
TC
4
R240
10K
.
.
R248
1K-1
R234
475-1
.
R245
1K-1
.
1 2
D18
LL4148-S
C227
220P
2
LL6
FB-DIP*2
QP4
2N3906-S
B
E C
R319
2.2
DS
MF10
.
TM3055TL-S
G
.
R222
2.2
C197
.01U
EC41
+
1500U-6.3LE
1 2
3
VCC3
VCC1.8V Max Power = 4.01W
VCC1.8V
LL5
CK2W-4.0UD
08-022-405040
SD3
SK24-S
1.83V
+
EC36
1500U-6.3LE
4
VDDQ
VCC1.8V
5
F5
JW-5mm-O
1 2
SR3
0-08-B
.
.
SR2
0-08-B
IVDD
+
EC29
1000U-6.3LE
6
VCC_DIMM
R265
10K-1
VCC_M
.
7
5
6
7
8
VCNTL
VCNTL
VCNTL
VCNTL
VIN1GND2REFEN3VOUT
4
+
VCC3
U21
RT9173-CS
EC43
1000U-6.3LE
8
DDR_VTT
2.5VREF
R270
.
10K-1
VREF
+12V
U18A
411
3
+
1
2
-
LM324-S
+12V
411
12
+
13
-
.
R283
R2
200-1
U18D
14
LM324-S
R1
.
R284
301-1
VCC3
DS
MN5
G
2N7002-S
VCCVID
BC67
MC16
10U-10V-08
.1U
VCC3
DS
MF12
IPD20N03L-S
G
VCC_M
C289
.1U
DDRVJ VCC_M
0
2.54V
1
2.63V
.
R287
R285
10K
215-1
.
R280
200-1
.
R288
4.7K
DS
MN9
G
2N7002-S
IVDD
VCC1.8V
B B
1.8V648
1.9V648FX
1.8V661FX
661FXLV 1.5V 1.8V
AUX_IVDD
648
648FX
661FX
SB1.8V
1.8V
1.9V
1.8V
661FXLV 1.5V 1.8V
C C
VCC1.5V Ma x Po wer = 0.3*(0.289+2. 35)=0.7917W
+12V
VREF
D D
R2
411
10
+
9
-
.
R267
301-1
short two power plane, one regulator
1.8V
short two power plane, one regulator
1.9V
short two power plane, one regulator
1.8V
or two regulator
two regulator
short two power plane, one regulator
1.8V
short two power plane, one regulator
1.9V
short two power plane, one regulator
1.8V
two regulator
C265
VCC1.8V
.1U
.
R263
150-1
8
U18C
LM324-S
R1
DS
MF9
TM3055TL-S
G
VDDQ
+
EC31
1000U-6.3LE
C262
1000P
VCC
R286
150-1
.
R
H431BA-D
A C
2.5VREF
2.5VREF
.
Q4
.
R274
215-1
R275
150-1
VREF
1.014V
SB5V
.
DDRVJ<12>
Vo=VREF(1 + R1/R2)
1
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
2
3
4
5
6
Date: Sheet
7
661FX-M
Voltage Regulator
A
of
31 34Tuesday, October 14, 2003
8

1
AUTO VOLTAGE SWITCH FOR ACPI STATE 3
1.IN S0,S1
THIS CIRCUIT PASSES THE NORMAL POWER
2.IN S3,S4,S5
THIS CIRCUIT PASSES THE STANDBY POWER
NOTE:
BECAUSE OF THE MAXIMUM CURRENT FROM
POWER SUPPLY IS ONLY ABOUT 750~1000mA
A A
SO IF YOU WANT TO SUPPORT WAKE UP
FROM S3 BY USB, YOU MUST HAVE A POWER
SUPPLY WITH LARGER POWER.(ADDITIONAL
500mA PER USB PORT)
B B
VCC3_DUAL
.
R201
5.6K
C C
D D
S3AUXSW-<8>
B
.
R200
47K-O
2
VCC3_DUAL & VCC5_DUAL
PS2PWR_S5OFF-<12>
R199
100-1-O
.
SB5V
.
E C
R291
10K-O
S3SW
QN7
2N3904-S-O
+12V
.
R289
4.7K-O
B
QN17
2N3904-S-O
E C
DELUXE
3
SB5V
.
R292
DELUXE
4.7K-O
B
PWOK-
PWOK-
QN16
2N3904-S-O
E C
R261
.
4.7K-O
SB_M
G
MP1
SI2301DS-S-O
D S
DS
MN6
G
2N7002-S-O
QN15
B
2N3904-S-O
E C
+12V
.
R262
4.7K-O
DS
MN4
G
2N7002-S-O
S3SW
PWOK-<34>
4
SB5V
G
MP2
SI2301DS-S-O
D S
DS
MF6
IPD20N03L-S-O
G
1 2
F7
RUE160-D
DISTY
VCC
Close to Re a r I / O Co nnector
VCC_DUAL
DS
MF8
IPD20N03L-S-O
G
VCC
Close to USB H eader
VCC_DIMM
1 2
F9
RUE160-D
5
VCC_DUAL
6
VCC3_DUAL
12
+
EC40
100U-16SE
AUX_IVDD
R185
0
Rt
Rb
SB_M
SB1.8V
.
VCC3_DUAL
7
U12
D
.
.
MC27
1U-08-O
R202
215-1
R204
374-1
.
R217
Rt
200-1-O
.
R218
Rb
215-1-O
OUT
G
ADJ
AMS1084CD-S-O
Vo=1.25(1+Rb/Rt)
U11
O
OUT
A
ADJ
AMS1117-S
U14
O
OUT
A
ADJ
AMS1117-S-O
Vo=1.25(1+Rb/Rt)
SB1.8V (For SB) 450mA
U10
O
OUT
A
ADJ
AMS1117-S
Vo=1.25(1+Rb/Rt)
Rt
MC26
10U-10V-08
Rb
.
R197
475-1
.
R198
215-1
8
SB5V
S
IN
BC63
.1U
I
IN
SB5V
I
IN
12
+
EC42
100U-16E-O
SB5V
I
IN
AUX_IVDD (1.5V For NB) 10mA
EC38
+
G
DS
VCC_M
MF11
IPD20N03L-S-O
DISTY
12
12
F8
RUE160-D
F10
RUE160-D
1000U-6.3LE
CLOSE TO DIMM
EC44
+
1000U-6.3LE
.
R187
150-1-O
B
.
R194
301-1-O
BC49
.1U-O
QN6
2N3904-S-O
E C
AUX_IVDD
MC19
1U-08
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
1
2
3
4
5
6
Date: Sheet
7
661FX-M
Dual 5V&3V, STR
A
of
32 34Monday, December 08, 2003
8

1
ATX2
C32
220P
132
ATX-PWR-CON4A
R157
0
.
R332
0-O
.
4
VID[0..5]
VID[0..5]<4>
VRDEN
VRDEN<5>
.
R153
2K-O
BOOTSEL<4>
VID5
FBRTN
C128
1000P-O
.
R154
2.2K
.
R112
0
VDIF
VRDPWRGD<34>
12V_POWER
A A
B B
VCCP
Close to PSCAP
C C
D D
12V_POWER
R113 0
R103 0-O
C126 47P
R160
C129
15K
4700P
C130
R156
.01U
390K-O
.
2
.
.
.
.
VRDPWRGD
R151
12K
LL1
CK-1.1UBD
VID4
VID3
VID2
VID1
VID0
FB
COMP
VRDPWRGD
VRDEN
DELAY
RT
VOSS
R169
100K
.
VCC3
R158
10K
C131
220P
12
EC10
+
1500U-16LE
1
2
3
4
5
6
7
8
9
10
11
12
13
.
3
EC9
+
1500U-16LE
12V_POWER
12
VCC
.
.
R110
10-08
U7
VID4
VID3
VID2
VID1
VID0
VID125
FBRTN/SGND
FB
COMP
PWRGD
EN/DVD
DELAY/SS
RT
RAMPADJ/VOSS14ILIMIT/IMAX
ADP3180-S
R168
510K-O
.
R127
0-08
PWM1
PWM2
PWM3
PWM4/ISN1
CS1/ISP1
CS2/ISP2
CS3/ISP3
CS4/ISN23
CSCOMP/ADJ
CSSUM/VDIF
CSREF/VSEN
RAMPADJ
.
EC8
+
1500U-16LE
D3
LL4148-S
R114
10-08-O
C107
1U-08
VCC
GND
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RAMPADJ
PWM1
PWM2
PWM3
ISN1
ISP1
ISP2
ISP3
ISN23
R369
0-O
MC3
4.7U-16V-08
PVCC
.
R133
0-O
MC2
4.7U-16V-08
R368
.
4.7K-O
R121 5.6K
.
R137 5.6K
.
R138 5.6K
.
R139 5.6K
.
R140 2.8K
.
IMAX
.
R146
220K-O
.
.
R150
10K
ADJ
VDIF
VSEN
.
.
4
R141
120K-O
R120
4.7K-O
ISEN1
PHASE1
PHASE2
PHASE3
ISEN2
ISEN3
OD-
C120
47P-O
MC1
4.7U-16V-08
PWM1
PWM3
VCCP
+
VIN
R105
.
475-1
.
C113
.012U-O
.
R122 100K-O
.
R123 100K-O
.
R124 100K-O
.
EC17
EC18
+
+
R118
27K-O
R119
150K-O
EC19
RT2
0
t
+
PHASE1
PHASE2
PHASE3
EC20
5
PWM1
OD-
ISEN1
PHASE1
PWM2
OD-
RT1
475-1
t
EC21
EC22
+
+
ISEN2
PHASE2
PWM3
OD-
ISEN3
PHASE3
PVCC
1 2
C35
1U-08
PVCC
1 2
C55
1U-08
PVCC
1 2
C47
1U-08
6
D6
LL4148-S
D7
LL4148-S
D5
LL4148-S
R67
2.2
U4
1
BCT
2
IN
3
OD#
VCC4DRVL
ADP3418-S
R61
2.2
U6
1
BCT
2
IN
3
OD#
VCC4DRVL
ADP3418-S
R63
2.2
U3
1
BCT
2
IN
3
OD#
VCC4DRVL
ADP3418-S
.
DRVH
PGND
.
DRVH
PGND
.
DRVH
PGND
7
C48
1U-08
8
7
SW
6
5
C45
1U-08
8
7
SW
6
5
C34
1U-08
8
7
SW
6
5
VIN
DS
MF4
NTD60N02R-S
G
DS
G
MF2
NTD60N02R-S
VIN
DS
MF1
NTD60N02R-S
G
DS
G
MF7
NTD60N02R-S
VIN
DS
MF3
NTD60N02R-S
G
DS
G
MF5
NTD60N02R-S
.
.
.
R66
2.2
C61
4700P
R65
2.2
C60
4700P
R64
2.2
C59
4700P
CK3W-0.8UD
CK3W-0.8UD
CK3W-0.8UD
8
LL4
LL3
VCCP
LL2
VSEN
3300U-6.3LE
3300U-6.3LE-O
3300U-6.3LE
3300U-6.3LE
3300U-6.3LE
3300U-6.3LE-O
1
2
3
4
5
6
Title
Size Document Number Re v
Custom
Date: Sheet
Elitegroup Computer Systems
661FX-M
VRD10 (CPU Vcore)
7
33 34Tuesday, October 14, 2003
8
A
of

1
2
3
4
5
6
7
8
R304
330
BC72
.1U
VCC
R277
.
5.6K
PWOK
R260
VCC3
4.7K
.
R276
4.7K
.
R232
.
4.7K
J1
1
2
H2*1-O
PWOK
VRDPWRGD<33>
VRDPWRGD
.
RECOVERY-
R307
22
.
GLED <12>
ACPILED <12>
PWRBTN- <12>
RECOVERY-<12>
For Acer
C263
.1U-O
C266
.1U-O
SB5V
.
R293
4.7K
QN13
B
2N3904-S
E C
QN14
B
2N3904-S
E C
VCC3
.
R282
1K-1
SBPWRGD
DS
MN7
G
2N7002-S
VCC3
R281
.
1K-1
NBPWRGD
DS
MN8
G
2N7002-S
PWOK- <32>
SBPWRGD <12,15>
TO South Bridge
NBPWRGD <9>
TO North Bridge
-12V +12V
.
R290
4.7K-O
PSON-<12>
A A
B B
VCC SB5V SB5V
.
R317
330
HDD+
HDD-<20>
SBPWRGD
.
R318
100
HDD- ACPILED
RSTSW-
VCC3SB5V
ATX1
11
3.3V
-12V
GND
PSON#
GND
GND
GND
-5V
+5V
+5V
PW-20P2R
GND
GND
GND
PWROK
AUX5V
+12V
3.3V
3.3V
+5V
+5V
12
13
14
15
16
17
18
19
20
FRONT PANEL
PANEL1
H5*2-P10E-COLOR
HLED+1LEDG
HLED-3LEDY
GND5PS
RESET7GND
RSVD9KEY
VCCVCC
SB5V
1
2
3
4
5
6
7
8
9
10
.
R305
330
GLED
2
4
XPW_SW-
6
8
10
.
R327
100
C C
SATALED-<13>
D D
VCC
.
R331
330
D23
LL4148-S
12
DD1
BAT54C-S
BAT
VCC3_DUAL
1
2
.
PN
3
R272
1K-1
BAT1
SK-CR2032V
BC68
1U
JP1 CLEAR CMOS
1-2 NORMAL
2-3 CLEAR
JP1
1
2
3
H3*1-RED
Decoupling Capacitor
BC53
1U
RTCVDD
C186
.1U
D15
LL4148-S
.
R215
10K
SPKR
SPKR<12>
12
BATOK <12>
VCC3_DUAL
C156
.01U
D11
LL4148-S
.
R179
1K-1
12
.
R178
100K
+
EC37
22U-25SE
.
R148
4.7K
NOTE!
1.The RTCVDD is 3V
2.Decoupling capacitor must be close to 635 RTCVDD pin.
3.RTC circuit must strictly follow SiS's recommended design
SiS is not responsible for RTC problems from foreign designs.
AUXOK
EC34
+
22U-25SE
RTC
EC
B
AUXOK <9,12>
QN5
2N3904-S
C123
.1U
R149
33
.
Place close to 963
1
2
3
4
5
6
VCC
SPK1
1
2
SPKO
3
4
H4*1-LIME
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
Date: Sheet
7
661FX-M
ATX / Panel / RTC
34 34Tuesday, October 14, 2003
8
of
A