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5 4 3 2 1
Model Name: 8I915G-MF Revision 1.0
SHEET TITLE SHEET TITLE
D D
01 COVER SHEET 23 PCI SLOT 1
02 BLOCK DIAGRAM 24 PCI EXPRESS*1 SLOT 1,2
03 BOM & PCB MODIFY HISTORY 25 ITE8712HX
04 P4_LGA775_A 26 HWMO/FAN/FWH BIOS
05 P4_LGA775_B 27 KB_MS/GAME
06 P4_LGA775_C 28 COM/LPT/FDD
C
07 P4_LGA775_D 29 (FRONT+REAR)USB/RING/IDE C
08 VCORE POWER 30 AZALIA CODEC ALC880/CMI9880
09 GMCH-GRANTSDALE_HOST 31 AUDIO JACK
10 GMCH-GARNTSDALE_DDR 32 LAN RTL8110S/8100C
11 GMCH-GRANTSDALE_PCI E, DMI 33 ATX POWER CONN.
12 GMCH-GRANTSDALE_INT VGA 34 ALL POWER
13 GMCH-GRANTSDALE_GND 35 1394 TSB43AB23
14 GMCH-GRANTSDALE_PWR 36 FRONT PANEL/BZ
B B
15 DDR CHANNEL A
16 DDR CHANNEL B
17 DDR TERMINATION
18 PCI EXPRESS*16 SLOT
19 ICH6 PCI, USB, DMI, LAN
20 ICH6 IDE, GPIO, SATA, CTRL
21 ICH6 VCC, GND
A A
22 CLK GEN
PCB VANDER: (TB), (TA),
COMPONENT SIDE GIGABYTE
(1 oz. Copper)
VCC SIDE Title
(1 oz. Copper)
GND SIDE
Cover Sheet
(1 oz. Copper) Size Document Number Rev
SOLDER SIDE Custom 8I915G-MF 1.0
(1 oz. Copper)
Date: , 09, 2004 Sheet 1 of 37
5 4 3 2 1
5 4 3 2 1
BLOCK DIAGRAM
INTEL Pentium4
LGA775
D
CLOCK GENERATOR D
VID0~4
PWM/OTHER POWER
VCORE = 1.75V / SLEEP : 1.3V PAGE 4, 5, 6,7
VCC3 VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3V
CKVDD = 3.3V PAGE 22 5VSB,-12V,+12V,VCC,VCC3,3VDUAL
VTT_DDR,2_5VSTR PAGE 8,33,34
CHANNEL A
DDR SDRAM DIMM X 2
GAD0~31 GMCH 2_5VSTR = 2.5V(MEMORY,SUSPEND POWER)
PAGE 15
ADSTB0,ADSTB0- GRANTSDALE MAA0~14 VTT_DDR = 1.25V
ADSTB1,ADSTB1- MAA_CPC1~5
SBA0~7 MAB_CPC1~5
PCI EXPRESS SBSTB,SBSTB- MDD0~63 CHANNEL B
BY 16 PORTS
VDDQ = 1.5V (AGP POWER 4X) GCBE0~3-
-DQSD0~7
DM0~7
DDR SDRAM DIMM X 2
VCC3 = 3.3V
+12V = 12V ST0~2
3VDUAL = 3.3V 2_5VSTR = 2.5V(MEMORY,SUSPEND POWER)
VCC = 5V PAGE 18 VCORE = 1.75V / SLEEP : 1.3V VTT_DDR = 1.25V PAGE 16
2_5VSTR = 2.5V(MEMORY)
VDDQ = 1.5V (AGP POWER 4X, HUBLINK) PAGE 9,10,11,12,13,14
C C
AGPUSB+ / -
HL0~10
CONTROL BUS HUB LINK
IDE Primary
ICH6
VCC = 5V PAGE 29
USB PORTS 0~7 SERIAL ATA
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
VCC = 5V 3VDUAL = 3.3V(SUSPEND POWER)
5VSB = 5V VCC3 = 3.3V
AMRUSB+ / - 5VUSB = 5V PAGE 29 RTCVDD = 3.3V VCC = 5V PAGE 20
PAGE 19,20,21
PCI BUS
B FWH/HWMO B
PCI SLOT 1
+12 = 12V
PCI EXPRESS BY VCC = 5V
VCC3 = 3V PAGE 26
AZALIA -12 = -12V
1,2 SLOT
LINK VCC = 5V
VCC3 = 3V
3VDUAL = 3V PAGE 23,24
LAN RTL8110S/8100C LPC BUS
AC97/Azalia ALC880 LPC ITE8712HX
PAGE 32
+12V = 12V
VCC3 = 3.3V VCC = 5V
VCC = 5V 5VSB = 5V
AVDD = 5V PAGE 30 VBAT = 3V PAGE 25
1394 IT TSB43AB23
PAGE 35
A AUDIO PORTS : FRONT AUDIO I/O PORTS : A
LIN_ OUT LINE_IN MIC
TELE CD_IN AUX_IN COMA COMB LPT PS2 IR FDD
PAGE 31 PAGE 27,28,29
FRONT PANEL/BZ
VCC = 5V GIGABYTE
5VSB = 5V
+12 = 12V Title
PVCC = 5V PAGE 36 BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom 8I915G-MF 1.0
Date: , 09, 2004 Sheet 2 of 37
5 4 3 2 1
5 4 3 2 1
Model Name: 8I915G-MF Circuit or PCB layout change
for next version
Version: 1.0
Data Change Item Reason
D 5.DEL DEC13 FOR FAN D
Component value change 6.ATX_12V 11NH4-020004-71/72
history 2004/06/09 7.CBC31/32
PRECISION
4.7UF 10UF FOR AUDIO
05/17 BOM:8I915GMF-00-10C 1. DDRVTT POWER/ON-OFF FF-->C256:100/6
Data Change Item Reason
2.CLK GEN X'TAL CAP:C176,C179-->22P/4/N/50V
12/11 REV 0.1 LAYOUT
05/20 BOM:8I915GMF-00-10C ECN 1.ALC880/E:10HP5-366880-31(0417)
12/23 PM MODIFY SPEC PCIX2,PCIEX1
2.IT8712F/IX4( )IX3( )
12/24 IT8712/IX MODIFY
DEL PCB( ):
05/21 BOM:8I915GMF-00-10C ECN 8MIL-->3.7MIL;15MIL-->12.5MIL=>REJECT
12/25 DEL 1394 SIGNAL CHOKE/8P4R/SHT
06/09 BOM:8I915GMF-00-10D 1.RN61~64,67:8.2K/8P4R-->2.2K/8P4R
12/29 DDR POWER/FUSE FOR KB_MS
2.Q259 P06P03
01/05 ich6 add 1000 p 0402 -ichsync pin for A1
3.PCB ( ):
C , C
01/07 MODIFY RN98~102 -->R0603 TYPE FOR LAYOUT
PWM FAN5019 ADD DIODE/CAP
01/08 -SYS_RST ADD 0/6
1394 SCH NET DVDD-->DVDD1394
01/09 ADD VCC/VCC3 CROSS CAP
01/13 E-BOM :8GDGMF-00-01
02/13 E-BOM :8I915GMF-00-02 1.VCORE PWM LOAD LINE(PH2-->PH4)
2.GRANTSDALE/ICH6(A0/A0)-->(A2/A1)
3.VGA(HSYNC/VSYNC)-->74HCT32
4.BY ITE8212/IX(RESET/PWROK)-->DRIVE BY
74HC14
B
5.PCB MODEL NAME:8GDGMF-->8I915G-MF B
6.CAP COST DOWN BY MEASURE
02/25 1.IDE RESET
03/29 rev 0.3-->modify function 1.FRONT USB PWR(VCC/5VDUAL)
2.AZALIA CODEC FUNCTION
3.VCORE SP-CAP+MOSFET CHOKE/DIP
TOP(X3PHASE)+RIGHT(X1PHASE),PWM RIGHT
04/09 VCORE PWM CHANGE PLACEMENT DOWN
04/13 EMI ADD X12PCS (0402)CAP ON DDR
04/21 AUDIO REARX6PORT+FRONTX2PORT
04/30 BOM:8I915GMF-00-10A 1.MODIFY AUDIO
2.ADD CPU_FAN FOR SMART
A A
05/11 BOM:8I915GMF-00-10B 1.
2.SPDIF/SPDIF-IN BOM CHANGED
3.F_AUDIO BOM CHANGED GIGABYTE
Title
BOM & PCB MODIFY HISTORY
4.PCI EXPRESSX16 ADD PUSH PIN
Size Document Number Rev
Custom 8I915G-MF 1.0
Date: , 09, 2004 Sheet 3 of 37
5 4 3 2 1
5 4 3 2 1
LG775 E-CAP ARRANGED
BOM SP-CPx2+10uFx2,
VCORE VCORE
SP-CAP X 4PCS
+
+
+
+
+
+
BC1 BC2 BC3 BC4 BC5 EC122 EC123 EC1 EC2 SEC1 SEC2
10U/12/X/6.3V 10U/12/X/6.3V 10U/12/X/6.3V 10U/12/X/6.3V 10U/12/X/6.3V
100U/2V/SPCAP/X
100U/2V/SPCAP/X 100U/2V/SPCAP/X 100U/2V/SPCAP/X
D VCORE 100U/2V/SPCAP[10CL3-201000-11]/X 100U/2V/SPCAP[10CL3-201000-11]/X D
rev1.0
BC6 BC7 BC8
10U/12/X/6.3V 10U/12/X/6.3V 10U/12/X/6.3V
U1A
HA[3..16]
[9] HA[3..16]
HA3 L5 D2 -HADS Closed to
A03# ADS# -HADS [9]
HA4 P6 C2 -BNR
HA5 M5
A04# BNR#
D4 -HIT
-BNR [9] REV0.2 R1 Pin-H1
A05# HIT# -HIT [9]
HA6 L4 H4 49.9/6/1
HA7 A06# RSP# -BPRI GTLREF
M4 A07# BPRI# G8 -BPRI [9] VTT_OR
HA8 R4 B2 -DBSY
A08# DBSY# -DBSY [9]
HA9 T5 C1 -DRDY
A09# DRDY# -DRDY [9]
HA10 U6 E4 -HITM BC11 R2 C3
A10# HITM# -HITM [9]
HA11 -IERR 0.01U/6/X/50V 100/6/1 1U/6/Y/10V
HA12
T4
U5
A11# IERR# AB2
P3 -HINIT
*
A12# INIT# -HINIT [20]
HA13 U4 C3 -HLOCK
A13# LOCK# -HLOCK [9]
HA14 V5 E3 -HTRDY C2
A14# TRDY# -HTRDY [9]
HA15 V4 AD3 33P/4/N/50V
HA16 A15# BINIT# -DEFER
W5 A16# DEFER# G7 -DEFER [9]
C N4 F2 -EDRDY C
RSVD EDRDY# -EDRDY [9]
P5 RSVD MCERR# AB3
-HREQ0 K4
[9] -HREQ0 REQ0#
-HREQ1 J5 U2
[9] -HREQ1 REQ1# AP0#
-HREQ2 M6 U3
[9] -HREQ2 REQ2# AP1#
-HREQ3 K6
[9] -HREQ3 REQ3#
-HREQ4 J6 F3 -BR0
[9] -HREQ4 REQ4# BR0# -BR0 [9]
-HADSTB0 R6 G3 TESTHI8
[9] -HADSTB0 ADSTB0# TESTHI08 TESTHI8 [5]
-HPCREQ G5 G4 TESTHI9
[9] -HPCREQ PCREQ# TESTHI09 TESTHI9 [5]
HA[17..31] H5 TESTHI10
[9] HA[17..31] TESTHI10 TESTHI10 [5]
HA17 AB6
HA18 A17#
W6 A18# DP0# J16
HA19 Y6 H15
HA20 A19# DP1# C1
Y4 A20# DP2# H16
HA21 AA4 J17 220P/4/N/50V
HA22 A21# DP3#
AD6 A22#
HA23 AA5 H1 GTLREF
HA24 A23# GTLREF
AB5 A24#
HA25 AC5 G23 -CPURST REV0.3 R6 62/6 -IERR
A25# RESET# -CPURST [9] VTT_OL
HA26 AB4
HA27 A26# -RS0
AF5 A27# RS0# B3 -RS0 [9]
HA28 AF4 F5 -RS1 C4 R7 62/6 -BR0
A28# RS1# -RS1 [9] VTT_OL
HA29 AG6 A3 -RS2 22P/4/N/50V
A29# RS2# -RS2 [9]
HA30 AG4
HA31 A30# R8 62/6 -CPURST
AG5 A31# VTT_OL
AH4 A32#
AH5 REV0.2
A33#
AJ5 A34#
AJ6 A35#
AC4 RSVD
AE4 RSVD
B -HADSTB1 B
[9] -HADSTB1 AD5 ADSTB1#
LGA775
CR
CPU RETAINTION/X
VCORE VCORE
BC30 BC20 BC21 BC22 BC24
10U/12/X/6.3V/X 10U/12/X/6.3V/X 10U/12/X/6.3V/X 10U/12/X/6.3V/X 10U/12/X/6.3V/X
A A
VCORE
BC25 BC26 BC27
10U/12/X/6.3V/X 10U/12/X/6.3V/X 10U/12/X/6.3V/X
GIGABYTE
Title
P4_LGA775-A
Size Document Number Rev
Custom 8I915G-MF 1.0
Date: , 09, 2004 Sheet 4 of 37
5 4 3 2 1
5 4 3 2 1
REV0.2
R1528 110/6/1 TESTHI0
VCC3
Note:
Place outside of CPU socket
VCCA & VCOREPLL R1529 C1269
61.9/6/1 0.1U/6/Y/25V R10 100/6/1 COMP2
define doesn't same as VTT_OL
R11 100/6/1 COMP3
VTT_GMCH L1 old P4 design kit
10UH/8/S C5 R14 60.4/6/1 COMP0
VCCA 0.1U/6/Y/25V R15 60.4/6/1 COMP1
R1535 249/6/1
VCC3
3
D C6 BC213 R17 Q258 D
1U/6/Y/10V 4.7U/8/Y/10V 0/SHT/X D
2N7002/SOT23
VSSA G S
Trace width doesn't SOT23 TESTHI0
less than 12 Mil [7,9] GTL_DET
2
1
L2 C7 BC214 RN103
10UH/8/S 1U/6/Y/10V 4.7U/8/Y/10V 470/8P4R
VCOREPLL 7 8 FSBSEL0
VTT_GMCH
U1C 5 6 FSBSEL2
As close as possible to 3 4 FSBSEL1
1 2
CPU socket -SMI P2 F26 TESTHI0
[20] -SMI SMI# TESTHI00
-A20M K3 W3 TESTHI1 R22 62/6 TESTHI2_7
[20] -A20M A20M# TESTHI01
-FERR R3 P1 TESTHI11
[20] -FERR FERR#/PBE# TESTHI11
INTR K1 W2 TESTHI12
[20] INTR LINT0 TESTHI12
NMI L1 F25
[20] NMI LINT1 TESTHI02
-IGNNE N2 G25 R24 62/6 -THRMTRIP
[20] -IGNNE IGNNE# TESTHI03
-STPCLK M3 G27 Locate at ICH6 Side
[20] -STPCLK STPCLK# TESTHI04
G26 R25 62/6 -FERR
VCCA TESTHI05
A23 VCCA TESTHII06 G24
VSSA B23 F24 TESTHI2_7
VSSA TESTHI07 RSVD_AK6
D23 RSVD RSVD AK6
VCOREPLL C23 G6 RSVD_G6