Gigabyte GA-8I955P-FJ_R10 Schematics
5
4
3
2
1
Model Name: GA-8I955P-FJ
SHEET TITLE
01
D D
02
03
04
05
06
07
08
09
C C
10
11
12
13
14
15
COVER SHEET
BLOCK DIAGRAM
BOM & PCB MODIFY HISTORY
P4_LGA775_A
P4_LGA775_B
P4_LGA775_C
P4_LGA775_D
GMCH-GLENWOOD_HOST
GMCH-GLENWOOD_DDRII
GMCH-GLENWOOD_PCI E, DMI
GMCH-GLENWOOD_INT VGA
GMCH-GLENWOOD_GND
GMCH-GLENWOOD_PWR
DDRII CHANNEL A 1
DDRII CHANNEL B 1
Revision 1.0
SHEET TITLE
28
29
30
31
32
33
34
35
36
37
38
39
LED/PWR SW CONN.
PROCHOT & FAN CONTROL
REALTEK ALC260
AUDIO OUTPUT
DISCRETE POWER
VCORE PWM
ATX,OTHER POWER
ITE 8712 IX
COM_LPT
TI TSB43AB23 1394
USB CONN
BROADCOM 5751
40
41
42
16
17
B B
18
19
20
21
22
23
24
A A
25
26
27
DDRII TERMINATION
PCI EXPRESS RISER I/F
ICH7 PCI, USB, DMI, LAN
ICH7 IDE, GPIO, SATA, CTRL
ICH7 VCC, GND
FWH
CLOCK GEN ICS954567
PCI SLOT 1
HARDWARE MONITOR
IDE/FLOPPY
KB_PS2
TPM I/F
5
4
Title
Size Document Number Rev
Custom
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES , INC.
Cover Sheet
GA-8I955P-FJ
140Monday, June 20, 2005
1
1.0
of
5
4
3
2
1
BLOCK DIAGRAM
INTEL Pentium4
LGA775
D D
C C
CLOCK GENERATOR
CKVDD = 3.3V
PCI EXPRESS X16
VDDQ = 1.5V (AGP POWER 4X)
VCC3 = 3.3V
+12V = 12V
3VDUAL = 3.3V
VCC = 5V
BROADCAM BCM5751
PCI EXPRESS X1
SLOT1
VDDQ = 1.5V (AGP POWER 4X)
VCC3 = 3.3V
+12V = 12V
3VDUAL = 3.3V
VCC = 5V
USB PORTS 0~7
VCC = 5V
5VSB = 5V
5VUSB = 5V
VCORE = 1.4V
VCC3
GMCH
GLENWOOD
VCORE = 1.75V / SLEEP : 1.3V
2_5VSTR = 2.5V(MEMORY)
VDDQ = 1.5V (AGP POWER 4X, HUBLINK)
ICH7
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
3VDUAL = 3.3V(SUSPEND POWER)
VCC3 = 3.3V
RTCVDD = 3.3V
MAA0~14
MAA_CPC1~5
MAB_CPC1~5
MDD0~63
-DQSD0~7
DM0~7
CHANNEL A
DDRII DIMM
1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V
CHANNEL B
DDRII DIMM
1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V
IDE Primary
VCC = 5V
SERIAL ATA
VCC = 5V
PAGE 14,15
PAGE 16,17
PAGE 28
PAGE 21
B B
PCI BUS
FWH/HWMO
PCI SLOT 1
+12 = 12V
-12 = -12V
VCC = 5V
VCC3 = 3V
3VDUAL = 3V
AC97/Azalia ALC260
+12V = 12V
VCC = 5V 5VSB = 5V
AVDD = 5V
A A
AUDIO PORTS :
LIN_ OUT
LINE_IN
5
HEAD OUT
MIC
PAGE 33
CD_IN
PAGE 34,35
4
TI 1394
FRONT PANEL /CPU FAN
VCC = 5V
5VSB = 5V
+12 = 12V
PVCC = 5V
3
LPC BUS
VCC = 5V
VCC3 = 3V
LPC I/O ITE8712-IX
VCC = 5VVCC3 = 3.3V
VBAT = 3V
I/O PORTS :
COMB
COMA
LPT
2
PS2
FDD
PAGE 27
PAGE 39
PAGE 29,40
GIGABYTE THCHNOLOGIES , INC.
Title
Size Document Number Rev
Custom
Date: Sheet
BLOCK DIAGRAM
GA-8I955P-FJ
1
of
240Monday, June 20, 2005
1.0
5
4
3
2
1
Model Name: GA-8I955P-FJ
Circuit or PCB layout change
Version: 1.0
D D
Component value change
history
Data Change Item Reason
3/10/2005
4/11/2005
6/14/2005
C C
Ver 0.1
Ver 0.2
Ver 1.0
for next version
DATE Change Item Reason
B B
A A
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES ,
BOM & PCB MODIFY HISTORY
GA-8I955P-FJ
1
340Monday, June 20, 2005
1.0
of
5
N
VCORE
BC5
10U/12/X/6.3V
D D
C C
BC6
10U/12/X/6.3V
BC7
10U/12/X/6.3V
BC8
10U/12/X/6.3V
HA[3..16](8)
HA[17..35](8)
VCORE
100U/2V/SPCAP/X
HA[3..16]
HA[17..35]
EC1
+
EC2
100U/2V/SPCAP/X
-HREQ0(8)
-HREQ1(8)
-HREQ2(8)
-HREQ3(8)
-HREQ4(8)
-HADSTB0(8)
+
SP-CAP X 4PCS
VCORE
B B
+
100U/2V/SPCAP/X
EC5
+
100U/2V/SPCAP/X
EC6
+
EC7
100U/2V/SPCAP/X
-HADSTB1(8)
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
HA17
HA18
HA19
HA20
HA21
HA22
HA23
HA24
HA25
HA26
HA27
HA28
HA29
HA30
HA31
HA32
HA33
HA34
HA35
4
VCORE
+
EC3
100U/2V/SPCAP/X
-HREQ0
-HREQ1
-HREQ2
-HREQ3
-HREQ4
-HADSTB0
-HADSTB1
+
EC4
100U/2V/SPCAP/X
U1A
L5
A03#
P6
A04#
M5
A05#
L4
A06#
M4
A07#
R4
A08#
T5
A09#
U6
A10#
T4
A11#
U5
A12#
U4
A13#
V5
A14#
V4
A15#
W5
A16#
N4
RSVD
P5
RSVD
K4
REQ0#
J5
REQ1#
M6
REQ2#
K6
REQ3#
J6
REQ4#
R6
ADSTB0#
G5
PCREQ#
AB6
A17#
W6
A18#
Y6
A19#
Y4
A20#
AA4
A21#
AD6
A22#
AA5
A23#
AB5
A24#
AC5
A25#
AB4
A26#
AF5
A27#
AF4
A28#
AG6
A29#
AG4
A30#
AG5
A31#
AH4
A32#
AH5
A33#
AJ5
A34#
AJ6
A35#
AC4
RSVD
AE4
RSVD
AD5
ADSTB1#
CPU-SK/775
VCORE
BC1
22u/12/X5R/6.3V
DBSY#
DRDY#
LOCK#
TRDY#
DEFER#
EDRDY#
MCERR#
TESTHI08
TESTHI09
TESTHI10
GTLREF1
GTLREF0
RESET#
ADS#
BNR#
HIT#
RSP#
BPRI#
HITM#
IERR#
INIT#
BINIT#
AP0#
AP1#
BR0#
DP0#
DP1#
DP2#
DP3#
RS0#
RS1#
RS2#
3
BC2
22u/12/X5R/6.3V
D2
C2
D4
H4
G8
B2
C1
E4
AB2
P3
C3
E3
AD3
G7
F2
AB3
U2
U3
F3
G3
G4
H5
J16
H15
H16
J17
H2
H1
G23
B3
F5
A3
-HADS
-BNR
-HIT
-BPRI
-DBSY
-DRDY
-HITM
-IERR
-HINIT
-HLOCK
-HTRDY
-DEFER
TP_CPU1
TP_CPU2
-BR0
TESTHI8
TESTHI9
TESTHI10
TP_CPU3
TP_CPU4
TP_CPU5
TP_CPU6
GTLREF1
GTLREF
-CPURST
-RS0
-RS1
-RS2
BC3
10U/12/X/6.3V
-HTRDY (8)
-DEFER (8)
-RS0 (8)
-RS1 (8)
-RS2 (8)
BC4
10U/12/X/6.3V
-HADS (8)
-BNR (8)
-HIT (8)
-BPRI (8)
-DBSY (8)
-DRDY (8)
-HITM (8)
-HLOCK (8)
-BR0 (8)
C5 220P/4/N/25V
GTLREF1
C2 220P/4/N/25V
-HINIT (19)
C4
33P/4/N/50V
-CPURST (8)
C6
22P/4/N/50V
2
R1
VTT_OL
VTT_OR
VTT_GMCH
VTT_OL
VTT_OL
VTT_OR
124/6/1
R4
124/6/1
R3
210/6/1
R6
210/6/1
RN1 62/8P4R
7 8
5 6
3 4
1 2
R1585 62/6
R7 62/6/X
R8 62/6
R9 62/6
R1597 62/6/X
VTT_OR
VTT_OR
R2
10/6
C1
1U/6/Y/10V
R5
10/6
C3
1U/6/Y/10V
TESTHI8
TESTHI9
TESTHI10
-IERR
-IERR
-BR0
-CPURST
-CPURST
1
GTLREF1
R1596
0/6/X
GTLREF
CR1
VCORE
BC9
10U/12/X/6.3V/X
A A
VCORE
BC16
10U/12/X/6.3V/X
BC17
10U/12/X/6.3V/X
5
VCORE
BC12
10U/12/X/6.3V/X
4
BC13
10U/12/X/6.3V/X
BC10
10U/12/X/6.3V/X
BC14
10U/12/X/6.3V/X
BC11
10U/12/X/6.3V/X
BC15
10U/12/X/6.3V/X
3
CPU RETAINTION/X
Title
Size Document Number Rev
Custom
2
Date: Sheet
GIGABYTE THCHNOLOGIES , I
P4_LGA775-A
GA-8I955P-FJ
1
440Monday, June 20, 2005
1.0
of
5
N
D D
4
3
2
1
HD[0..15](8)
C C
HD[16..31](8)
B B
K1
K2
K3
HD[0..15]
HD[16..31]
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
-DBI0(8)
STBN0(8)
STBP0(8)
-DBI1(8)
STBN1(8)
STBP1(8)
-DBI0
STBN0
STBP0
HD16
HD17
HD18
HD19
HD20
HD21
HD22
HD23
HD24
HD25
HD26
HD27
HD28
HD29
HD30
HD31
-DBI1
STBN1
STBP1
U1B
B4
D00#
C5
D01#
A4
D02#
C6
D03#
A5
D04#
B6
D05#
B7
D06#
A7
D07#
A10
D08#
A11
D09#
B10
D10#
C11
D11#
D8
D12#
B12
D13#
C12
D14#
D11
D15#
A8
DBI0#
C8
DSTBN0#
B9
DSTBP0
G9
D16#
F8
D17#
F9
D18#
E9
D19#
D7
D20#
E10
D21#
D10
D22#
F11
D23#
F12
D24#
D13
D25#
E13
D26#
G13
D27#
F14
D28#
G14
D29#
F15
D30#
G15
D31#
G11
DBI1#
G12
DSTBN1#
E12
DSTBP1
CPU-SK/775
D32#
D33#
D34#
D35#
D36#
D37#
D38#
D39#
D40#
D41#
D42#
D43#
D44#
D45#
D46#
D47#
DBI2#
DSTBN2#
DSTBP2
D48#
D49#
D50#
D51#
D52#
D53#
D54#
D55#
D56#
D57#
D58#
D59#
D60#
D61#
D62#
D63#
DBI3#
DSTBN3#
DSTBP3
HD32
G16
HD33
E15
HD34
E16
HD35
G18
HD36
G17
HD37
F17
HD38
F18
HD39
E18
HD40
E19
HD41
F20
HD42
E21
HD43
F21
HD44
G21
HD45
E22
HD46
D22
HD47
G22
-DBI2
D19
G20
G19
D20
D17
A14
C15
C14
B15
C18
B16
A17
B18
C21
B21
B19
A19
A22
B22
C20
A16
C17
STBN2
STBP2
HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63
-DBI3
STBN3
STBP3
-DBI2 (8)
STBN2 (8)
STBP2 (8)
-DBI3 (8)
STBN3 (8)
STBP3 (8)
HD[32..47] (8)
HD[48..63] (8)
K1_ICT
1
K4
A A
K1_ICT
1
K1_ICT
1
K5
K1_ICT
1
5
K1_ICT
1
K6
K1_ICT
1
Title
Size Document Number Rev
Custom
4
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES , I
P4_LGA775-C
GA-8I955P-FJ
1
540Monday, June 20, 2005
1.0
of
5
I
Note:
VCCA & VCOREPLL
VTT_GMCH
D D
VTT_GMCH
C49
0.1U/6/Y/25V/X
C113
C C
0.1U/6/Y/25V
5
6
06/16 R1560 change to 3K,R85 change
to 1K, PROCHOT change to 130C
VCC
B B
R66
R41
1K/6/1
1K/6/1
RS3
10K/1/0603/S
1K/6/1
R85
RS3 close CPU VR Mosfet
VCC_SENSE_1
A A
VSS_SENSE_1
L1
10UH/8/S/[10LI2-12100A-03_10LI2-12100A-02]
L2
10UH/8/S/[10LI2-12100A-03_10LI2-12100A-02]
84
+
-
0.1U/6/Y/25V/X
C106
0.1U/6/Y/25V
C114
1U/6/Y/25V
U22B
7
KA393D/SO8
C104
BC433
22u/12/X5R/6.3V
C107
1U/6/Y/25V
VCOREPLLVCCA
C117
0.1U/6/Y/25V
R1561 680/6
R1560 3K/6/1
Q56
C9
1U/6/Y/10V
C11
1U/6/Y/10V
+12V
3
+
2
-
VTT_GMCH
84
10U/12/X/6.3V/X
C118
1U/6/Y/25V
TMPIN1(24,35)
THERMDC(35)
BC19
1N/4/X/50V
U22A
1
KA393D/SO8
R1555
1K/6/X
2N7002/S/X
BC18
R1565 130/6
R1556 8.2K/6/X
132
BSEL166_2(35)
R1570 0/6/X
FSBSEL1
5
define doesn't same as
old P4 design kit
+
EC8
100U/D/10V/5B
As close as possible to
CPU socket
C12
33P/4/N/50V
C14
1N/4/X/50V
R1558 130/6
2N3904/SOT23/[10IT1-003904-03_10IT1-003904-01_10IT1-003904-05]
Q92
132
BSEL1
BSEL166_1(35)
R1571 0/6/X
VCCA
R18
0/SHT/X
VSSA
VCOREPLL
-STPCLK
VSS_SENSE(33)
R1559 0/6
Q70
MMBT2222A/S
SOT23
132
-FORCEPR
4
R31 0/6/X
VCC_SENSE(7,33)
VSS_SENSE(33)
-PROCHOT
VTT_GMCH
Q57
FSBSEL0
4
Trace width doesn't
less than 12 Mil
VID[0..5](33,35)
CPUCLK(22)
-CPUCLK(22)
R28 0/6
R29 0/6
R1564 51/6
R1541
1K/6/X
2N7002/S/X
132
3
VCC3
R13
249/6/1
-SMI(19)
-A20M(19)
-FERR(19)
INTR(19)
NMI(19)
-IGNNE(19)
-STPCLK(19)
VID[0..5]
R30 62/6
-SKTOCC
R34 51/6
R35 51/6
-SYS_RST(19,22)
3
D
GS
SMI#
A20M#
FERR#/PBE#
LINT0
LINT1
IGNNE#
STPCLK#
VCCA
VSSA
RSVD
VCCIOPLL
VID0
VID1
VID2
VID3
VID4
VID5
VID6
VID7
VID_SELECT
BCLK0
BCLK1
SKTOCC#
THERMDA
THERMDC
VCC_SENSE
VSS_SENSE
RSVD
RSVD
VTT_PKGSENSE
IMPSEL
MSID1
MSID0
RSVD
RSVD
AE1
TCK
AD1
TDI
AF1
TDO
AC1
TMS
AG1
TRST#
AJ2
BPM0#
AJ1
BPM1#
AD2
BPM2#
AG2
BPM3#
AF2
BPM4#
AG3
BPM5#
AC2
DBR#
AK3
ITPCLK0
AJ3
ITPCLK1
G29
BSEL0
H30
BSEL1
G30
BSEL2
2
U1C
CPU-SK/775
U1D
GTL_DET(8)
-SMI
-A20M
-FERR
INTR
NMI
-IGNNE
-STPCLK
VCCA
VSSA
VCOREPLL
VID0
VID1
VID2
VID3
VID4 -THRMTRIP
VID5
CPUCLK
-CPUCLK
VCC_SENSE_1
VSS_SENSE_1
TCK
TDI
TDO
TMS
-TRST
-BPM0
-BPM1
-BPM2
-BPM3
-BPM4
-BPM5
MSID1
MSID0
-SYS_RST
FSBSEL0
FSBSEL1
FSBSEL2
AM2
AM3
AM5
AM7
AN7
AN3
AN4
AN5
AN6
AE6
P2
K3
R3
K1
L1
N2
M3
A23
B23
D23
C23
AL5
AL6
AK4
AL4
F28
G28
AE8
AL1
AK1
F29
F6
V1
W1
N5
1
Q1
2N7002/S
SOT23
TESTHI0
VTT_GMCH
VCC3
THERMTRIP#
CS_GTLREF
GTLREF_SEL
BOOTSELECT
VTTPWRGD
R1557 8.2K/6/X R45 1K/6/X
BSEL0
CPU-SK/775
FSBSEL0(22)
FSBSEL1(22)
FSBSEL2(22)
FSBSEL0
FSBSEL1
FSBSEL2
R46 8.2K/6
R47 8.2K/6
R48 8.2K/6
3
TESTHI00
TESTHI01
TESTHI11
TESTHI12
TESTHI02
TESTHI03
TESTHI04
TESTHI05
TESTHII06
TESTHI07
RSVD
RSVD
SLP#
RSVD
PWRGOOD
PROCHOT#
COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
COMP7
RSVD
RSVD
RSVD
RSVD
LL_ID0
LL_ID1
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT_OUT
VTT_OUT
VTT_SEL
BSEL0
BSEL1
BSEL2
N/C
N/C
N/C
N/C
A29
B25
B29
B30
C29
A26
B27
C28
A25
A28
A27
C30
A30
C25
C26
C27
B26
D27
D28
D25
D26
B28
D29
D30
AM6
AA1
J1
F27
F26
W3
P1
W2
F25
G25
G27
G26
G24
F24
AK6
G6
L2
AH2
N1
AL2
M2
A13
T1
G2
R1
J2
T2
Y3
AE3
C9
G10
D16
A20
F23
E23
E7
E24
H29
J3
Y1
V2
AA2
R15
62/6/X
R1562 110/6/1
C1300
0.1U/6/Y/25V/X
TESTHI0
TESTHI1
TESTHI11
TESTHI12
TESTHI2_7
-FORCEPR
RSVD_G6
TESTHI13
CPUPWROK
-PROCHOT
COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
COMP7
TP_CPU9
TP_CPU8
TP_CPU7
BOOTSEL
LL_ID0
VTT_PWRGD
BSEL0 (11)
BSEL1 (11)
BSEL2 (11)
VTT_GMCH
R1563
61.9/6/1
CPUPWROK (19)
-THRMTRIP (19)
MCH_GTLREF (8)
GTL_DET (8)
LL_ID0 (33)
VTT_PWRGD (32,33)
VTT_OR
VTT_OL
VCC3
2
2
TESTHI0
C8
0.1U/6/Y/25V
TESTHI0
03/07 CPU
missing control
-SKTOCC
1
Place outside of CPU socket
COMP6
COMP7
-PROCHOT
FSBSEL0
FSBSEL1
FSBSEL2
TESTHI2_7
-TRST
-THRMTRIP
-FERR
COMP5
COMP4
COMP2
COMP3
COMP0
COMP1
VTT_OL
C7
0.1U/6/Y/25V
VTT_OR
C10 0.1U/6/Y/25V
VTT_OR
VTT_GMCH
R21 130/6
R10 60.4/6/1
R11 60.4/6/1
R12 60.4/6/1
R14 60.4/6/1
R16 60.4/6/1
R17 60.4/6/1
R19 60.4/6/1
R20 60.4/6/1
RN2 470/8P4R
7 8
5 6
3 4
1 2
R22 62/6
R112 62/6/X
R23 62/6
R24 62/6
Locate at ICH7 Side
RSVD_G6
CPUPWROK
C13
1N/4/X/50V
VTT_PWRGD
62/8P4R
680/8P4R
0/6
Q62
MMBT2222A/S
SOT23
132
0/6/X
3VDUAL
R1731
TESTHI12
TESTHI11
TESTHI1
TESTHI13
VID5
VID0
VID2
VID4
VID1
VID3
BOOTSEL
-FORCEPR
-BPM1
-BPM0
-BPM5
-BPM4
-BPM3
-BPM2
TDI
TMS
TDO
-TRST
TCK
7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2
R1599
P4_LGA775-B
GA-8I955P-FJ
1
R27
8.2K/6
640Monday, June 20, 2005
C15
C16
10K/6
R1602
VTT_OR
VTT_OL
R1601
1K/6
3VDUAL
R25 62/6/X
R26 100/6/X
R32 680/6
RN3
RN4 680/8P4R
R36 680/6
R37 680/6
R38 62/6/X
R39 62/6/X
RN5 51/8P4R
RN6
R42 51/6
R43 62/6
R44 51/6
R1600
100K/6
Q63
MMBT2222A/S
SOT23
132
GIGABYTE THCHNOLOGIES ,
VTT_OL
VTT_OR
0.1U/6/Y/25V
0.1U/6/Y/25V
-PWRBTSW(26,28,38)
3VDUAL
R1632
8.2K/6
Title
Size Document Number Rev
Custom
Date: Sheet
R1732
0/6
PWRBTSW (19,35)
PWRBTSW_ITE (35)
of
1.0
5
D D
U1E
VCORE
C C
B B
AC23
AC24
AC25
AC26
AC27
AC28
AC29
AC30
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AE11
AE12
AE14
AE15
AE18
AE19
AE21
AE22
AE23
AF11
AF12
AF14
AF15
AF18
AF19
AF21
AF22
AG11
AG12
AG14
AG15
AG18
AG19
AG21
AG22
AG25
AG26
AG27
AG28
AG29
AG30
AA8
AB8
AC8
AD8
AE9
AF8
AF9
AG8
AG9
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
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
CPU-SK/775
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
VCC
VCC
VCC
VCC
VCC
VCC
AH11
AH12
AH14
AH15
AH18
AH19
AH21
AH22
AH25
AH26
AH27
AH28
AH29
AH30
AH8
AH9
AJ11
AJ12
AJ14
AJ15
AJ18
AJ19
AJ21
AJ22
AJ25
AJ26
AJ8
AJ9
AK11
AK12
AK14
AK15
AK18
AK19
AK21
AK22
AK25
AK26
AK8
AK9
AL11
AL12
AL14
AL15
AL18
AL19
AL21
AL22
AL25
AL26
AL29
AL30
AL8
AL9
VCORE
VCC_SENSE(6,33)
VCORE
R33
0/6/X
R122
0/6
4
U1F
AM11
AM12
AM14
AM15
AM18
AM19
AM21
AM22
AM25
AM26
AM29
AM30
AM8
AM9
AN11
AN12
AN14
AN15
AN18
AN19
AN21
AN22
AN25
AN26
AN29
AN30
AN8
AN9
M23
M24
M25
M26
M27
M28
M29
M30
K23
K24
K25
K26
K27
K28
K29
K30
J10
J11
J12
J13
J14
J15
J18
J19
J20
J21
J22
J23
J24
J25
J26
J27
J28
J29
J30
J8
J9
K8
L8
M8
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
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
CPU-SK/775
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
N23
N24
N25
N26
N27
N28
N29
N30
N8
P8
R8
T23
T24
T25
T26
T27
T28
T29
T30
T8
U23
U24
U25
U26
U27
U28
U29
U30
U8
V8
W23
W24
W25
W26
W27
W28
W29
W30
W8
Y23
Y24
Y25
Y26
Y27
Y28
Y29
Y30
Y8
VCORE
3
U1G
A12
AA23
AA24
AA25
AA26
AA27
AA28
AA29
AA30
AB23
AB24
AB25
AB26
AB27
AB28
AB29
AB30
AE10
AE13
AE16
AE17
AE20
AE24
AE25
AE26
AE27
AE28
AE29
AE30
AF10
AF13
AF16
AF17
AF20
AF23
AF24
AF25
AF26
AF27
AF28
AF29
AF30
AC3
AC6
AC7
AD4
AD7
AE2
AE5
AE7
AF3
AF6
AF7
A15
A18
A21
A24
AA3
AA6
AA7
AB1
AB7
A2
A6
A9
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
CPU-SK/775
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
AG10
AG13
AG16
AG17
AG20
AG23
AG24
AG7
AH1
AH10
AH13
AH16
AH17
AH20
AH23
AH24
AH3
AH6
AH7
AJ10
AJ13
AJ16
AJ17
AJ20
AJ23
AJ24
AJ27
AJ28
AJ29
AJ30
AJ4
AJ7
AK10
AK13
AK16
AK17
AK2
AK20
AK23
AK24
AK27
AK28
AK29
AK30
AK5
AK7
AL10
AL13
AL16
AL17
AL20
AL23
AL24
AL27
AL28
AL3
AL7
AM1
AM10
AM13
AM16
AM17
AM20
AM23
AM24
AM27
AM28
AM4
2
U1H
AN1
VSS
AN10
VSS
AN13
VSS
AN16
VSS
AN17
VSS
AN2
VSS
AN20
VSS
AN23
VSS
AN24
VSS
AN27
VSS
AN28
VSS
B1
VSS
B11
VSS
B14
VSS
B17
VSS
B20
VSS
B24
VSS
B5
VSS
B8
VSS
C10
VSS
C13
VSS
C16
VSS
C19
VSS
C22
VSS
C24
VSS
C4
VSS
C7
VSS
D12
VSS
D15
VSS
D18
VSS
D21
VSS
D24
VSS
D3
VSS
D5
VSS
D6
VSS
D9
VSS
E11
VSS
E14
VSS
E17
VSS
E2
VSS
E20
VSS
E25
VSS
E26
VSS
E27
VSS
E28
VSS
E29
VSS
E8
VSS
F10
VSS
F13
VSS
F16
VSS
F19
VSS
F22
VSS
F4
VSS
F7
VSS
G1
VSS
H10
VSS
H11
VSS
H12
VSS
H13
VSS
H14
VSS
H17
VSS
H18
VSS
H19
VSS
H20
VSS
H21
VSS
H22
VSS
H23
VSS
H24
VSS
CPU-SK/775
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
1
H25
H26
H27
H28
H3
H6
H7
H8
H9
J4
J7
K2
K5
K7
L23
L24
L25
L26
L27
L28
L29
L3
L30
L6
L7
M1
M7
N3
N6
N7
P23
P24
P25
P26
P27
P28
P29
P30
P4
P7
R2
R23
R24
R25
R26
R27
R28
R29
R30
R5
R7
T3
T6
T7
U1
U7
V23
V24
V25
V26
V27
V28
V29
V3
V30
V6
V7
W4
W7
Y2
Y5
Y7
A A
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES ,
P4_LGA775-D
GA-8I955P-FJ
1
740Monday, June 20, 2005
1.0
of
5
N
4
3
2
1
R54
301/6/1
R56
84.5/6/1
VTT_GMCH
BC20
0.01U/4/X/16V
+12V
VTT_GMCH
VTT_GMCH
R57
60.4/6/1
C19
2.2P/4/X/16V/X
R49
124/6/1
R53
8.2K/6
HSCOMP
R50
10/6
R51
210/6/1
VCORE
R52
619/6/1
3
D
GS
2
R55 62/6
C18
0.01U/6/X/50V
1
0.1U/6/Y/25V
Q2
2N7002/S
SOT23
MCH_GTLREF
BC21
MCH_GTLREF
HSWNG
R58
16.9/6/1
C17
220P/6/N/50V
HRCOMP
AA37
AA35
AA42
AA34
AA38
W42
W40
W41
AA41
M34
M38
G37
M36
M31
M29
G34
M26
J39
K38
J42
K35
J37
N35
R33
N32
N34
N42
N37
N38
R32
R36
U37
R35
R38
V33
U34
U32
V42
U35
Y36
Y38
V32
Y34
E41
D41
K36
E42
V35
A28
B27
K41
L43
K40
F35
A38
J27
E29
E34
B37
B32
V41
P40
U41
U40
U39
D42
U42
T40
Y43
T43
C30
R27
P27
U2A
HA3*
HA4*
HA5*
HA6*
HA7*
HA8*
HA9*
HA10*
HA11*
HA12*
HA13*
HA14*
HA15*
HA16*
HA17*
HA18*
HA19*
HA20*
HA21*
HA22*
HA23*
HA24*
HA25*
HA26*
HA27*
HA28*
HA29*
HA30*
HA31*
HA32*
HA33*
HA34*
HA35*
HREQ0*
HREQ1*
HREQ2*
HREQ3*
HREQ4*
HADSTB0*
HADSTB1*
HCLKP
HCLKN
HRCOMP
HSWING
HDSTBP0*
HDSTBN0*
HDINV0*
HDSTBP1*
HDSTBN1*
HDINV1*
HDSTBP2*
HDSTBN2*
HDINV2*
HDSTBP3*
HDSTBN3*
HDINV3*
HADS*
HTRDY*
HDRDY*
HDEFER*
HHITM*
HHIT*
HLOCK*
HBREQ0*
HBNR*
HBPRI*
HDBSY*
HRS0*
HRS1*
HRS2
HCPURST*
RSVD
RSVD
CPU INTERFACE
HD0*
HD1*
HD2*
HD3*
HD4*
HD5*
HD6*
HD7*
HD8*
HD9*
HD10*
HD11*
HD12*
HD13*
HD14*
HD15*
HD16*
HD17*
HD18*
HD19*
HD20*
HD21*
HD22*
HD23*
HD24*
HD25*
HD26*
HD27*
HD28*
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*
HDVREF
HACCVREF
HSCOMP
HPCREQ
HEDRDY*
P41
M39
P42
M42
N41
M40
L40
M41
K42
G39
J41
G42
G40
G41
F40
F43
F37
E37
J35
D39
C41
B39
B40
H34
C37
J32
B35
J34
B34
F32
L32
J31
H31
M33
K31
M27
K29
F31
H29
F29
L27
M24
J26
K26
G26
H24
K24
F24
E31
A33
E40
D37
C39
D38
D33
C35
D34
C34
B31
C31
C32
D32
B30
D30
D27
D28
C27
F38
Y40
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
HD16
HD17
HD18
HD19
HD20
HD21
HD22
HD23
HD24
HD25
HD26
HD27
HD28
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
MCH_GTLREF
HSCOMP
HD[0..63]
MCH_GTLREF (6)
HD[0..63] (5)
GTL_DET(6)
HA[3..35](4)
D D
C C
B B
HA[3..35]
MCHCLK(22)
-MCHCLK(22)
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
HA17
HA18
HA19
HA20
HA21
HA22
HA23
HA24
HA25
HA26
HA27
HA28
HA29
HA30
HA31
HA32
HA33
HA34
HA35
-HREQ0(4)
-HREQ1(4)
-HREQ2(4)
-HREQ3(4)
-HREQ4(4)
-HADSTB0(4)
-HADSTB1(4)
-HTRDY(4)
-DEFER(4)
-HLOCK(4)
-BNR(4)
-DBSY(4)
-CPURST(4)
-HREQ0
-HREQ1
-HREQ2
-HREQ3
-HREQ4
-HADSTB0
-HADSTB1
MCHCLK
-MCHCLK
HRCOMP
HSWNG
STBP0
STBP0(5)
STBN0
STBN0(5)
-DBI0
-DBI0(5)
STBP1
STBP1(5)
STBN1
STBN1(5)
-DBI1
-DBI1(5)
STBP2
STBP2(5)
STBN2
STBN2(5)
-DBI2
-DBI2(5)
STBP3
STBP3(5)
STBN3
STBN3(5)
-DBI3
-DBI3(5)
-HADS
-HADS(4)
-HTRDY
-DRDY
-DRDY(4)
-DEFER
-HITM
-HITM(4)
-HIT
-HIT(4)
-HLOCK
-BR0
-BR0(4)
-BNR
-BPRI
-BPRI(4)
-DBSY
-RS0
-RS0(4)
-RS1
-RS1(4)
-RS2
-RS2(4)
-CPURST
Glenwood/[10HB1-032965-20R]
A A
5
4
COUPON1
COUPON2
COUPON1 COUPON
COUPON2 COUPON
21
21
VCC
Title
Size Document Number Rev
Custom
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES , I
GMCH-HOST
GA-8I955P-FJ
1
840Monday, June 20, 2005
1.0
of
5
MODT_A[0..1]
MAAA0
MAAA1
MAAA2
MAAA3
MAAA4
MAAA5
D D
-SWEA(14,16)
-SCASA(14,16)
-SRASA(14,16)
SBAA0(14,16)
SBAA1(14,16)
SBAA2(14,16)
CKEA0(14,16)
CKEA1(14,16)
C C
B B
A A
DCLKA0(14)
-DCLKA0(14)
DCLKA1(14)
-DCLKA1(14)
DCLKA2(14)
-DCLKA2(14)
0.1U/6/Y/25V/X
MAAA6
MAAA7
MAAA8
MAAA9
MAAA10
MAAA11
MAAA12
MAAA13
-SWEA
-SCASA
-SRASA
SBAA0
SBAA1
SBAA2
-CSA0
-CSA0(14,16)
-CSA1
-CSA1(14,16)
CKEA0
CKEA1
MODT_A0
MODT_A1
DCLKA0
-DCLKA0
DCLKA1
-DCLKA1
DCLKA2
-DCLKA2
DDRVREFA
C20
TP1
TP2
SACB0
SACB1
SACB2
SACB3
SACB4
SACB5
SACB6
SACB7
DQSA8
-DQSA8
MODT_A[0..1] (14,16)
U2F
BB32
SAMA0
BA30
SAMA1
BB30
SAMA2
AY30
SAMA3
BC28
SAMA4
BA27
SAMA5
AY28
SAMA6
AY27
SAMA7
BB27
SAMA8
AW27
SAMA9
AY33
SAMA10
BB26
SAMA11
BA26
SAMA12
AW37
SAMA13
BA35
SAWE*
AY37
SACAS*
AY34
SARAS*
BC33
SABA_0
BA32
SABA_1
BB25
SABA_2
BB35
SACS_0*
BC38
SACS_1*
BA34
SACS_2*
BA39
SACS_3*
AY25
SACKE0
BC24
SACKE1
BA25
SACKE2
AY24
SACKE3
BA37
SAODT0
AY38
SAODT1
BB37
SAODT2
AY39
SAODT3
AY32
SACK0
AW32
SACK0*
BA5
SACK1
AY6
SACK1*
AK42
SACK2
AK41
SACK2*
BB31
SACK3
BA31
SACK3*
AY7
SACK4
BC6
SACK4*
AH43
SACK5
AH40
SACK5*
AH1
SMVREF0
AL15
RSV_TP(1)
AK15
RSV_TP(0)
AP18
SACB0
AR18
SACB1
AR21
SACB2
AP21
SACB3
AM18
SACB4
AM20
SACB5
AT20
SACB6
AV20
SACB7
AU18
SADQS8
AV18
SADQS8*
Glenwood/[10HB1-032965-20R]
SADQS0
SADQS0*
SADM0
SADQ0
SADQ1
SADQ2
SADQ3
SADQ4
SADQ5
SADQ6
SADQ7
SADQS1
SADQS1*
SADM1
SADQ8
SADQ9
SADQ10
SADQ11
SADQ12
SADQ13
SADQ14
SADQ15
SADQS2
SADQS2*
SADM2
SADQ16
SADQ17
SADQ18
SADQ19
SADQ20
SADQ21
SADQ22
SADQ23
SADQS3
SADQS3*
SADM3
SADQ24
SADQ25
SADQ26
SADQ27
SADQ28
SADQ29
SADQ30
SADQ31
SADQS4
SADQS4*
SADM4
SADQ32
SADQ33
SADQ34
SADQ35
SADQ36
SADQ37
SADQ38
SADQ39
SADQS5
SADQS5*
SADM5
SADQ40
SADQ41
SADQ42
SADQ43
SADQ44
SADQ45
SADQ46
SADQ47
SADQS6
SADQS6*
SADM6
SADQ48
SADQ49
SADQ50
SADQ51
SADQ52
SADQ53
SADQ54
SADQ55
SADQS7
SADQS7*
SADM7
SADQ56
SADQ57
SADQ58
SADQ59
SADQ60
SADQ61
SADQ62
SADQ63
DDR INTERFACE
AU3
AU2
AU5
AR2
AU4
AW4
AW3
AP2
AR3
AV4
AV1
BB5
BB4
AY5
AY2
BA3
BA9
BB9
AW2
AY3
BA7
BB7
BA12
BC11
AY11
BB10
BA10
BB13
BA13
AW10
AY10
AY12
BB12
AT15
AP15
AV13
AM13
AT13
AP17
AR17
AM15
AP13
AV15
AM17
AU35
AW35
AT34
AP32
AV34
AU37
AU39
AV32
AT32
AR34
AV38
AN40
AP41
AP42
AP39
AP40
AM41
AM42
AR41
AR42
AN43
AM40
AG42
AG41
AG40
AL39
AK40
AF39
AE40
AL41
AL42
AF41
AF42
AC42
AC41
AC40
AD40
AD43
AA39
AA40
AE42
AE41
AB41
AB42
DQSA0
-DQSA0
DMA0
MDA0
MDA1
MDA2
MDA3
MDA4
MDA5
MDA6
MDA7
DQSA1
-DQSA1
DMA1
MDA8
MDA9
MDA10
MDA11
MDA12
MDA13
MDA14
MDA15
DQSA2
-DQSA2
DMA2
MDA16
MDA17
MDA18
MDA19
MDA20
MDA21
MDA22
MDA23
DQSA3
-DQSA3
DMA3
MDA24
MDA25
MDA26
MDA27
MDA28
MDA29
MDA30
MDA31
DQSA4
-DQSA4
DMA4
MDA32
MDA33
MDA34
MDA35
MDA36
MDA37
MDA38
MDA39
DQSA5
-DQSA5
DMA5
MDA40
MDA41
MDA42
MDA43
MDA44
MDA45
MDA46
MDA47
DQSA6
-DQSA6
DMA6
MDA48
MDA49
MDA50
MDA51
MDA52
MDA53
MDA54
MDA55
DQSA7
-DQSA7
DMA7
MDA56
MDA57
MDA58
MDA59
MDA60
MDA61
MDA62
MDA63
4
MAAB0
MAAB1
MAAB2
MAAB3
MAAB4
MAAB5
MAAB6
MAAB7
MAAB8
MAAB9
MAAB10
MAAB11
MAAB12
MAAB13
-SWEB
-SWEB(15,16)
SBAB0(15,16)
SBAB1(15,16)
SBAB2(15,16)
-CSB0(15,16)
-CSB1(15,16)
CKEB0(15,16)
CKEB1(15,16)
DDRVREFB
-SCASB
-SRASB
SBAB0
SBAB1
SBAB2
-CSB0
-CSB1
CKEB0
CKEB1
MODT_B0
MODT_B1
DCLKB0
-DCLKB0
DCLKB1
-DCLKB1
DCLKB2
-DCLKB2
SBCB0
SBCB1
SBCB2
SBCB3
SBCB4
SBCB5
SBCB6
SBCB7
DQSB8
-DQSB8
TP3
SMRCOMPP
SMRCOMPN
SC1
0.1U/6/Y/25V/X
-SCASB(15,16)
-SRASB(15,16)
DCLKB0(15)
-DCLKB0(15)
DCLKB1(15)
-DCLKB1(15)
DCLKB2(15)
-DCLKB2(15)
3
U2G
AW23
SBMA0
BA22
SBMA1
BB22
SBMA2
BB21
SBMA3
BA21
SBMA4
AY21
SBMA5
BC20
SBMA6
BA19
SBMA7
AY20
SBMA8
AY19
SBMA9
BB23
SBMA10
BB18
SBMA11
BA18
SBMA12
AV40
SBMA13
BA41
SBWE*
AW42
SBCAS*
BB40
SBRAS*
BA23
SBBA0
AY23
SBBA1
BB17
SBBA2
BA40
SBCS0*
AU40
SBCS1*
AW40
SBCS2*
AU41
SBCS3*
AY16
SBCKE0
BA17
SBCKE1
AY17
SBCKE2
BA14
SBCKE3
AY42
SBODT0
AV43
SBODT1
AW41
SBODT2
AU42
SBODT3
AM29
SBCK0
AM27
SBCK0*
AJ9
SBCK1
AJ11
SBCK1*
AL38
SBCK2
AL36
SBCK2*
AP26
SBCK3
AR26
SBLK3*
AJ7
SBCK4
AJ6
SBCK4*
AJ38
SBCK5
AJ36
SBCK5*
AM24
SBCB0
AM23
SBCB1
AV24
SBCB2
AM26
SBCB3
AM21
SBCB4
AN23
SBCB5
AP24
SBCB6
AT24
SBCB7
AR23
SBDQS8
AP23
SBDQS8*
AG3
SMVREF1
AL17
RSV_TP(3)
AK17
RSV_TP(2)
AE2
SM_OCDCOMP_1
AF3
SM_OCDCOMP_0
AG2
SM_RCOMP1
AF1
SM_RCOMP0
Glenwood/[10HB1-032965-20R]
SBDQS0
SBDQS0*
SBDM0
SBDQ0
SBDQ1
SBDQ2
SBDQ3
SBDQ4
SBDQ5
SBDQ6
SBDQ7
SBDQS1
SBDQS1*
SBDM1
SBDQ8
SBDQ9
SBDQ10
SBDQ11
SBDQ12
SBDQ13
SBDQ14
SBDQ15
SBDQS2
SBDQS2*
SBDM2
SBDQ16
SBDQ17
SBDQ18
SBDQ19
SBDQ20
SBDQ21
SBDQ22
SBDQ23
SBDQS3
SBDQS3*
SBDM3
SBDQ24
SBDQ25
SBDQ26
SBDQ27
SBDQ28
SBDQ29
SBDQ30
SBDQ31
SBDQS4
SBDQS4*
SBDM4
SBDQ32
SBDQ33
SBDQ34
SBDQ35
SBDQ36
SBDQ37
SBDQ38
SBDQ39
SBDQS5
SBDQS5*
SBDM5
SBDQ40
SBDQ41
SBDQ42
SBDQ43
SBDQ44
SBDQ45
SBDQ46
SBDQ47
SBDQS6
SBDQS6*
SBDM6
SBDQ48
SBDQ49
SBDQ50
SBDQ51
SBDQ52
SBDQ53
SBDQ54
SBDQ55
SBDQS7
SBDQS7*
SBDM7
SBDQ56
SBDQ57
SBDQ58
SBDQ59
SBDQ60
SBDQ61
SBDQ62
SBDQ63
AM2
AM3
AM5
AK2
AL3
AN1
AP3
AK3
AL2
AM4
AP4
AG6
AG8
AG9
AF9
AG11
AL10
AL12
AF11
AJ12
AL9
AL7
AR6
AR7
AP8
AM10
AP6
AW7
AU7
AM6
AM8
AP9
AV6
AR10
AR12
AV9
AT10
AU10
AN12
AR13
AR9
AV7
AV12
AM11
AT29
AV29
AR29
AR27
AN29
AR31
AM31
AP27
AU27
AP31
AU31
AP35
AM35
AR38
AP36
AP37
AM33
AJ31
AR35
AU38
AM38
AN32
AG34
AG32
AJ39
AJ32
AJ34
AF32
AF34
AL32
AL34
AG35
AD32
AD36
AD39
AD37
AC32
AD34
Y32
AA32
AF35
AF37
AC34
AC35
DQSB0
-DQSB0
DMB0
MDB0
MDB1
MDB2
MDB3
MDB4
MDB5
MDB6
MDB7
DQSB1
-DQSB1
DMB1
MDB8
MDB9
MDB10
MDB11
MDB12
MDB13
MDB14
MDB15
DQSB2
-DQSB2
DMB2
MDB16
MDB17
MDB18
MDB19
MDB20
MDB21
MDB22
MDB23
DQSB3
-DQSB3
DMB3
MDB24
MDB25
MDB26
MDB27
MDB28
MDB29
MDB30
MDB31
DQSB4
-DQSB4
DMB4
MDB32
MDB33
MDB34
MDB35
MDB36
MDB37
MDB38
MDB39
DQSB5
-DQSB5
DMB5
MDB40
MDB41
MDB42
MDB43
MDB44
MDB45
MDB46
MDB47
DQSB6
-DQSB6
DMB6
MDB48
MDB49
MDB50
MDB51
MDB52
MDB53
MDB54
MDB55
DQSB7
-DQSB7
DMB7
MDB56
MDB57
MDB58
MDB59
MDB60
MDB61
MDB62
MDB63
2
MODT_B[0..1]
NB_HEATSIN
2
8
1
NB_HEATSI/[12SP2-04F003-61]/X
HS1
7
6
P/N:12SP2-040004-91+4CLIP[12SP4-010001-03]
MODT_B[0..1] (15,16)
R61
0/SHT/X
1
2
3
45
DDR18V
DDR18V
DDR18V
MAAB[0..13](15,16)
MAAA[0..13](14,16)
SBCB[0..7](15)
-DQSB[0..8](15)
DMB[0..7](15)
MDB[0..63](15)
DQSB[0..8](15)
DMA[0..7](14)
MDA[0..63](14)
DQSA[0..8](14)
-DQSA[0..8](14)
SACB[0..7](14)
R59
1K/6/1
R60
1K/6/1
BC22
1U/6/Y/10V
R62
1K/6/1/X
R63
1K/6/1/X
BC24
1U/6/Y/16V
R64 80.6/6/1
BC26
0.1U/6/Y/25V
R65 80.6/6/1
1
DDRVREFA
BC23
0.1U/6/Y/25V
DDRVREFB
BC25
0.1U/6/Y/25V
SMRCOMPN
SMRCOMPP
SBCB[0..7]
-DQSB[0..8]
MAAB[0..13]
DMB[0..7]
MDB[0..63]
DQSB[0..7]
MAAA[0..13]
DMA[0..7]
MDA[0..63]
DQSA[0..7]
-DQSA[0..8]
SACB[0..7]
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES ,
GMCH-DDRII
GA-8I955P-FJ
1
940Monday, June 20, 2005
1.0
of
5
N
D D
4
3
2
1
U2B
EXP_A_RXP0
EXP_A_RXN0
EXP_A_RXP1
EXP_A_RXN1
EXP_A_RXP2
EXP_A_RXN2
EXP_A_RXP3
EXP_A_RXN3
EXP_A_RXP4
EXP_A_RXN4
EXP_A_RXP5
EXP_A_RXN5
EXP_A_RXP6
EXP_A_RXN6
C C
SRCCLK_MCH(22)
-SRCCLK_MCH(22)
B B
EXP_A_RXP7
EXP_A_RXN7
EXP_A_RXP8
EXP_A_RXN8
EXP_A_RXP9
EXP_A_RXN9
EXP_A_RXP10
EXP_A_RXN10
EXP_A_RXP11
EXP_A_RXN11
EXP_A_RXP12
EXP_A_RXN12
EXP_A_RXP13
EXP_A_RXN13
EXP_A_RXP14
EXP_A_RXN14
EXP_A_RXP15
EXP_A_RXN15
GRCOMP
G12
EXPARXP0
F12
EXPARXN0
A11
EXPARXP1
B10
EXPARXN1
J13
EXPARXP2
H13
EXPARXN2
E10
EXPARXP3
F10
EXPARXN3
J9
EXPARXP4
H10
EXPARXN4
F7
EXPARXP5
F9
EXPARXN5
C4
EXPARXP6
D3
EXPARXN6
G6
EXPARXP7
J6
EXPARXN7
E2
EXPARXP8
F1
EXPARXN8
K9
EXPARXP9
K8
EXPARXN9
M6
EXPARXP10
M7
EXPARXN10
K2
EXPARXP11
L1
EXPARXN11
R11
EXPARXP12
R10
EXPARXN12
R8
EXPARXP13
R7
EXPARXN13
P2
EXPARXP14
T1
EXPARXN14
V9
EXPARXP15
V10
EXPARXN15
AC12
EXPCOMPO
AC11
EXPCOMPI
B14
GCLKP
B16
GCLKN
Glenwood/[10HB1-032965-20R]
EXPATXP0
EXPATXN0
EXPATXP1
EXPATXN1
EXPATXP2
EXPATXN2
EXPATXP3
EXPATXN3
EXPATXP4
EXPATXN4
EXPATXP5
EXPATXN5
EXPATXP6
EXPATXN6
EXPATXP7
EXPATXN7
EXPATXP8
EXPATXN8
EXPATXP9
EXPATXN9
EXPATXP10
EXPATXN10
EXPATXP11
EXPATXN11
EXPATXP12
EXPATXN12
EXPATXP13
EXPATXN13
EXPATXP14
EXPATXN14
EXPATXP15
EXPATXN15
DMITXP0
DMITXN0
DMITXP1
DMITXN1
DMITXP2
DMITXN2
DMITXP3
DMITXN3
DMIRXP0
DMIRXN0
DMIRXP1
DMIRXN1
DMIRXP2
DMIRXN2
DMIRXP3
DMIRXN3
D14
C13
B13
B12
D12
D11
C10
C9
A9
B7
D7
D6
A6
B5
F4
G4
G2
J1
J3
K4
L4
M4
M2
N2
N3
P4
T4
U4
U2
V2
V3
W4
W2
Y1
AA2
AB1
AA7
AA6
AB3
AC4
V6
V7
AA9
AA10
AA4
Y4
AC9
AC8
EXP_A_TXP0
EXP_A_TXN0
EXP_A_TXP1
EXP_A_TXN1
EXP_A_TXP2
EXP_A_TXN2
EXP_A_TXP3
EXP_A_TXN3
EXP_A_TXP4
EXP_A_TXN4
EXP_A_TXP5
EXP_A_TXN5
EXP_A_TXP6
EXP_A_TXN6
EXP_A_TXP7
EXP_A_TXN7
EXP_A_TXP8
EXP_A_TXN8
EXP_A_TXP9
EXP_A_TXN9
EXP_A_TXP10
EXP_A_TXN10
EXP_A_TXP11
EXP_A_TXN11
EXP_A_TXP12
EXP_A_TXN12
EXP_A_TXP13
EXP_A_TXN13
EXP_A_TXP14
EXP_A_TXN14
EXP_A_TXP15
EXP_A_TXN15
DMI_0TXP
DMI_0TXN
DMI_1TXP
DMI_1TXN
DMI_2TXP
DMI_2TXN
DMI_3TXP
DMI_3TXN
DMI_0RXP
DMI_0RXN
DMI_1RXP
DMI_1RXN
DMI_2RXP
DMI_2RXN
DMI_3RXP
DMI_3RXN
DMI_0TXP (18)
DMI_0TXN (18)
DMI_1TXP (18)
DMI_1TXN (18)
DMI_2TXP (18)
DMI_2TXN (18)
DMI_3TXP (18)
DMI_3TXN (18)
DMI_0RXP (18)
DMI_0RXN (18)
DMI_1RXP (18)
DMI_1RXN (18)
DMI_2RXP (18)
DMI_2RXN (18)
DMI_3RXP (18)
DMI_3RXN (18)
VCC1_5
90nH/0805/1.5A/S[10LI2-15900D-10]
EXP_A_TXP[0..15]
EXP_A_TXN[0..15]
EXP_A_RXP[0..15]
EXP_A_RXN[0..15]
L9 100NH/1.4a/S/[10LC3-01100C-01]/X
SPEC:1.5A
L3
+
1
EC9
100U/D/10V/5B
VCC1_5PCIEX
R67
24.9/6/1
GRCOMP
EXP_A_TXP[0..15] (17)
EXP_A_TXN[0..15] (17)
EXP_A_RXP[0..15] (17)
EXP_A_RXN[0..15] (17)
VCC1_5PCIEX
BC27
10U/12/X5/6.3V
BC28
10U/12/X5/6.3V
VCC1_5PCIEX (13)
A A
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet
GIGABYTE THCHNOLOGIES , I
GMCH-PCI E & DMI
GA-8I955P-FJ
1
10 40Monday, June 20, 2005
1.0
of
5
N
U2H
EXP_SLR
-EXTTS
M20
EXTTS*
D19
RSVD
N21
RSV_TP(9)
F20
RSV_TP(8)
L21
RSV_TP(7)
K21
EXP_SLR
C19
RSV_TP(5)
H20
XORTEST
J20
ALLZTEST
L20
BSEL2
H21
BSEL1
F21
BSEL0
Glenwood/[10HB1-032965-20R]
D D
DDR25V_MCH(13)
R68 10K/6
BSEL2(6)
BSEL1(6)
BSEL0(6)
4
RSV
PWROK
RSTIN#
ICH_SYNC#
V31
AD1
AE3
N23
-PFMRST
PWROK1
C21
10P/4/N/50V
-ICHSYNC
R77
8.2K/6
3
PWROK1 (19,35)
-ICHSYNC (19)
2
1
EXP_SLR
C C
C22
22P/4/N/50V
B B
VCC
R72
8.2K/6/X
A A
FANPWM3(35)
R73 0/6S/X
5
R69 1K/6
-PFMRST
3
D
GS
2
1
-PFMRST (19,25,35)
Q4
2N7002/S/X
SOT23
R70
8.2K/6/X
1 2
3 4
5 6
7 8
RN7
8.2K/8P4R/X
+12V
132
22U/D/25V/57/X
Q3
CE1
4
2907/S/X
1
+
0.1U/6/Y/25V/X
BC29
R71
0/6/X
NB_FAN
POH/1*2/WHITE/X
NB HEAT SINK FAN
Title
Size Document Number Rev
Custom
3
2
Date: Sheet
GMCH-INTERNAL VGA
GA-8I955P-FJ
1
11 40Monday, June 20, 2005
1.0
of
GIGABYTE THCHNOLOGIES , I
5
U2C
AA31
VSS
AA30
VSS
AA22
VSS
AA11
VSS
AA8
VSS
AA5
VSS
AA3
VSS
Y42
VSS
Y39
VSS
Y37
VSS
Y35
D D
C C
B B
A A
5
VSS
Y33
VSS
Y31
VSS
Y11
VSS
Y8
VSS
Y5
VSS
Y2
VSS
W3
VSS
V43
VSS
V39
VSS
V38
VSS
V37
VSS
AC37
VSS
AC36
VSS
AC33
VSS
AC31
VSS
AC22
VSS
AC14
VSS
AC13
VSS
AC10
VSS
AC7
VSS
AC6
VSS
AC5
VSS
AC3
VSS
AC2
VSS
AB43
VSS
AB23
VSS
AB21
VSS
AB2
VSS
AA36
VSS
AA33
VSS
AG7
VSS
AG5
VSS
AG4
VSS
AF43
VSS
AF38
VSS
AF36
VSS
AF33
VSS
AF31
VSS
AF14
VSS
AF13
VSS
AF12
VSS
AF10
VSS
AF8
VSS
AF7
VSS
AF6
VSS
AF5
VSS
AF2
VSS
AE4
VSS
AD42
VSS
AJ14
VSS
AJ13
VSS
AJ10
VSS
AJ8
VSS
AJ5
VSS
AH42
VSS
AH4
VSS
AH2
VSS
AG39
VSS
AG38
VSS
AG37
VSS
AG36
VSS
AG33
VSS
AG31
VSS
AG14
VSS
AG13
VSS
AG12
VSS
AG10
VSS
AL21
VSS
AL20
VSS
AL18
VSS
AL13
VSS
AL11
VSS
AL8
VSS
AL6
VSS
AL5
VSS
AL1
VSS
AK30
VSS
AK29
VSS
AK18
VSS
AK4
VSS
AJ37
VSS
AJ35
VSS
AJ33
VSS
AJ30
VSS
AP34
VSS
AP29
VSS
AP20
VSS
AP12
VSS
AP10
VSS
AP7
VSS
AP5
VSS
AN42
VSS
AN31
VSS
AN27
VSS
AN26
VSS
AN24
VSS
AN21
VSS
AN20
VSS
AN18
VSS
AN17
VSS
Glenwood/[10HB1-032965-20R]
4
AN15
VSS
AN13
VSS
AT31
VSS
AT27
VSS
AT26
VSS
AT23
VSS
AT21
VSS
AT18
VSS
AT17
VSS
AT12
VSS
AR43
VSS
AR39
VSS
AR37
VSS
AR32
VSS
AR24
VSS
AR20
VSS
AR15
VSS
AN4
VSS
AN2
VSS
AM39
VSS
AM37
VSS
AM34
VSS
AM9
VSS
AM7
VSS
AL43
VSS
AL35
VSS
AL33
VSS
AL31
VSS
AL27
VSS
AL26
VSS
AM36
VSS
AL24
VSS
AL23
VSS
AL37
VSS
AL29
VSS
AR5
VSS
AR1
VSS
AP38
VSS
AV21
VSS
AV17
VSS
AV10
VSS
AV2
VSS
AU34
VSS
AU32
VSS
AU29
VSS
AU26
VSS
AU24
VSS
AU23
VSS
AU21
VSS
AU20
VSS
AU17
VSS
AU15
VSS
AU13
VSS
AU12
VSS
AU9
VSS
AU6
VSS
BC9
VSS
BB41
VSS
BB39
VSS
BB34
VSS
BB19
VSS
BB14
VSS
BB11
VSS
BB6
VSS
BA42
VSS
BA4
VSS
AW21
VSS
AW13
VSS
AW12
VSS
AW9
VSS
AV37
VSS
AV35
VSS
AV27
VSS
AV26
VSS
AD38
VSS
AD35
VSS
AD33
VSS
AD31
VSS
AD30
VSS
AD14
VSS
AD13
VSS
AD12
VSS
AD11
VSS
AD10
VSS
AD9
VSS
AD8
VSS
AD7
VSS
AD6
VSS
AD5
VSS
AD4
VSS
AD2
VSS
AC39
VSS
AC38
VSS
AK14
VSS
4
3
U2E
D20
D10
D5
D2
C40
C22
C14
C12
C7
C5
C3
B38
B33
B28
B23
B22
B21
B9
B6
B4
A35
A31
A13
G24
G21
G20
G13
G10
G9
G7
G5
G3
F42
F34
F26
F6
F2
E35
E32
E21
E20
E12
E9
E7
E4
E3
D21
K7
K6
K5
K3
J43
J38
J29
J24
J21
J12
J10
J7
J5
J2
H32
H27
H26
H12
G38
G35
G32
G31
G29
G27
R6
R5
P30
P26
P24
P23
P21
P20
P3
N43
N39
N36
N33
N31
N29
N27
N26
N24
N20
N5
N1
M37
M35
V36
V34
V30
V11
V8
V5
V1
U38
U36
U33
U31
U11
U8
U5
U3
T42
T2
R39
R37
R34
R31
R30
R12
R9
B11
3
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
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
Glenwood/[10HB1-032965-20R]
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
2
BC4
VSS
AY1
VSS
AJ18
VSS
AJ17
VSS
AJ15
VSS
AG29
VSS
AG18
VSS
AG17
VSS
AG15
VSS
AF25
VSS
AF23
VSS
AF21
VSS
AF19
VSS
AE24
VSS
AE22
VSS
AE20
VSS
AE18
VSS
AD25
VSS
AD23
VSS
AD21
VSS
AD19
VSS
AC24
VSS
AC20
VSS
AC18
VSS
AB25
VSS
AB19
VSS
AA24
VSS
AA20
VSS
AA18
VSS
Y29
VSS
Y25
VSS
Y23
VSS
Y21
VSS
W26
VSS
W22
VSS
W20
VSS
V25
VSS
U29
VSS
R29
VSS
D43
VSS
D1
VSS
A40
VSS
A4
VSS
W24
VSS
A42
NC
B2
NC
B3
NC
B41
NC
B42
NC
B43
NC
C2
NC
C42
NC
P29
NC
BA2
NC
BB1
NC
BB2
NC
BB3
NC
BB43
NC
BC1
NC
BC2
NC
BC42
NC
BC43
NC
A43
AJ27
AJ26
AJ24
AJ23
AJ21
AG27
AG26
AG25
AG24
AG23
AG22
AG21
M21
VSS
M11
VSS
M10
VSS
M9
VSS
M8
VSS
M5
VSS
M3
VSS
L42
VSS
L31
VSS
L29
VSS
L26
VSS
L24
VSS
L12
VSS
L2
VSS
K39
VSS
K37
VSS
K34
VSS
K32
VSS
K27
VSS
K20
VSS
K13
VSS
K12
VSS
K10
VSS
Title
Size Document Number Rev
Custom
2
Date: Sheet
1
GIGABYTE THCHNOLOGIES , INC.
GMCH-GND
GA-8I955P-FJ
1
12 40Monday, June 20, 2005
1.0
of
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