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5 4 3 2 1
Model Name: GA-8VM800PMD-775
Revision :1.0
D SHEET TITLE D
1 BOM & PCB MODIFY HISTORY
2 COVER SHEET
3 BLOCK DIAGRAM
4,5,6,7 INTEL P4_LGA775 CPU
8,9,10,11 P4M800 PRO(NORTH BRIDGE)
12 CLOCK GENERATOR (ICS950952)
13,14,15 VT8237R+/CD (SOUTH BIRDGE)
C C
16,17 DDRII SDRAM DIMMS 1,2 DDR TERMINATION
18 AGP SLOT
19 PCI SLOT 1,2,3
20 BIOS , VGA Connect
21 IDE,USB
22 LPC I/O_W83627EHF
23 COM,PRT,FDD,KB/MS,IR
24 AC 97 CODEC
B B
25 AUDIO JACK
26 PANEL,FANS
27 LAN 8100C & USB CONNECTOR
28 DDR POWER
29 ATX CONN,3VDUAL,VDDQ DC POWER
30 VCORE PHASE PWM FAIRCHILD 5018B
A A
GIGABYTE
Title
COVER SHEET
Size Document Number Rev
Custom 1.0
GA-8VM800PMD-775
Date: Wednesday, November 30, 2005 Sheet 1 of 30
5 4 3 2 1
5 4 3 2 1
Model Name: GA-8VM800PMD-775
Circuit or PCB layout change for next version
Version:1.0 Date Change Item Reason
D 2005.09.20 0.1 Gerber out Modify from GA-8VM800PM 0.1 D
2005.10.27 1.0 Gerber out Add STR fail patch circuit
Component value change history P-code:A94104-2
2005.09.20
Date Change Item Reason
2005.09.22 0.1 BOM ISSUE PCB 0.1 Clock Gen change to 950952BGLF
2005.10.27 1.0A BOM ISSUE PCB 1.0 0.2 Gerber need to change capacitor direction EC40 1.0A still keep BIOS socket
2N7002 change to 10IF1-2A7002-02/-02R/-06/-06R/-05R/-03R
2005.11.01 1.0B BOM ISSUE PCB 1.0 Change STR patch circuit to normal, E13 fix this issue by modify Clock gen register
2005.11.01 1.0C BOM ISSUE PCB 1.0 DR31-->120K/6/1, DR39-->499K/6/1
2005.11.08 1.0D BOM ISSUE PCB 1.0 LU3 remove 94C46 with check sum source, PCB add vendor, BIOS change to 4Mb.
2005.11.26 1.0E BOM ISSUE PCB 1.0 Fix Front Mic Noise CBC61--> 0.1U, AGP change to Brown
C C
2005.11.30 1.0F BOM ISSUE PCB 1.0 AGP change to 11AC1-05R124-62
B B
A A
GIGABYTE
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom 1.0
GA-8VM800PMD-775
Date: Wednesday, November 30, 2005 Sheet 2 of 30
5 4 3 2 1
5 4 3 2 1
BLOCK DIAGRAM
INTEL 775 SOCKET PWM/OTHER POWER
VID0~4
VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3V
5VSB,-12V,+12V,VCC,VCC3,3VDUAL
D
DDRVTT,DDR25V,3VSTR,VCC25 PAGE 28,29,30 D
CLOCK GEN
VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3V
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I) VCCA = 2.5V ; 2_5V = 2.5V PAGE 4,5,6,7
VCC3 = 3.3V PAGE 12
MAA0~15
VIA P4M800 PRO NORTH MDD0~63
-DQSD0~7
DDRII SDRAM DIMM X
BRIDGE 2 DQM0~7
DDR25V = 2.5V(SUSPEND POWER)
DDRVTT = 1.25V
PAGE 16,17
AGP SLOT 4X/8X
VDDQ = 1.5V (AGP POWER 4X)
VCC3 = 3.3V VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3V
+12V = 12V DDR25V = 2.5V(SUSPEND POWER)
3VDUAL = 3.3V VDDQ = 1.5V (AGP POWER 4X)
VCC = 5V PAGE 18 VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
C
PAGE 8,9,10,11 C
VLAD0~7
CONTROL BUS V LINK
USB CON
PAGE 21
USB PORTS 0~3 VIA VT8237R+ SOUTH BRIDGE
VCC = 5V
5VSB = 5V
IDE Primary and Secondary
5VUSB = 5V PAGE 21
VCC = 5V PAGE 21
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
3VDUAL = 3.3V(SUSPEND POWER)
VCC3 = 3.3V
AC97 CODEC ALC 655 "D" RTCVDD = 3.3V
PAGE 13,14,15
B B
+12V = 12V
VCC3 = 3.3V
VCC = 5V
AVDD = 5V PAGE 24 PCI BUS
LPC BUS BIOS & VGA
VCC = 5V
PAGE 20
VCC3 = 3V
PCI SLOT 1,2,3
PCI BUS
AUDIO PORTS :
+12 = 12V
-12 = -12V
VCC = 5V
LPC I/O W83627EHF
VCC3 = 3V VCC = 5V 5VSB = 5V VBAT = 3V PAGE 22
3VDUAL = 3V PAGE 19
LIN_OUT LINE_IN MIC FRONT AUDIO
CD_IN AUX_IN
PAGE 25
LAN 8100C, USB CON I/O PORTS :
VDDTXRX = 3.3V
VDDC = 3.3V COMA COMB LPT PS2 FDD PAGE 23
PAGE 27
FRONT PANEL /FANS
VCC = 5V 5VSB = 5V
A +12 = 12V PVCC = 5V PAGE 26 A
GIGABYTE
Title
BLOCK DIAGRAM
Size Document Number Rev
Custom 1.0
GA-8VM800PMD-775
Date: Wednesday, November 30, 2005 Sheet 3 of 30
5 4 3 2 1
5 4 3 2 1
Closed to Pin-H1
R2 124/6/1 R1872 10/6 GTLREF
VTT_OR
BC10 R3 C2 C5
0.01u/6/X7R/50V/K 210/6/1 1U/6/Y5V/10V/Z 220p/4/NPO/50V/J
COUPON2 COUPON1 1 2 COUPON/X VCC
D COUPON1 COUPON2 1 2 COUPON/X D
Closed to Pin-H2
R31 49.9/6/1/X R1873 10/6/X GTLREF1
VTT_OR
R29 C22 C21
LGA775A 100/6/1/X 1U/6/Y/10V/X 220P/4/N/25V/X
HA[3..16]
<8> HA[3..16]
HA3 L5 D2 -HADS
A03# ADS# -HADS <8>
HA4 P6 C2 -BNR
A04# BNR# -BNR <8>
HA5 M5 D4 -HIT
A05# HIT# -HIT <8>
HA6 L4 H4
HA7 A06# RSP# -BPRI
M4 A07# BPRI# G8 -BPRI <8>
HA8 R4 B2 -DBSY
A08# DBSY# -DBSY <8>
HA9 T5 C1 -DRDY
A09# DRDY# -DRDY <8>
HA10 U6 E4 -HITM
A10# HITM# -HITM <8>
HA11 T4 AB2 -IERR
HA12 A11# IERR# -HINIT
U5 A12# INIT# P3 -HINIT <6,15>
HA13 U4 C3 -HLOCK
A13# LOCK# -HLOCK <8>
HA14 V5 E3 -HTRDY
A14# TRDY# -HTRDY <8>
HA15 V4 AD3 C3
HA16 A15# BINIT# -DEFER 22p/4/NPO/50V/J
W5 A16# DEFER# G7 -DEFER <8>
C N4 F2 -EDRDY C
RSVD EDRDY# TP33
P5 RSVD MCERR# AB3
-HREQ0 K4
<8> -HREQ0 REQ0# VTT_OL
-HREQ1 J5 U2 AP0 <8>
<8> -HREQ1 REQ1# AP0#
-HREQ2 M6 U3 AP1 <8>
<8> -HREQ2 REQ2# AP1#
-HREQ3 K6
<8> -HREQ3 REQ3#
-HREQ4 J6 F3 -BR0 RN9
<8> -HREQ4 REQ4# BR0# -BR0 <8>
-HADSTB0 R6 G3 TESTHI8 7 8
<8> -HADSTB0 ADSTB0# TESTHI08 TESTHI8 <6>
-HPCREQ G5 G4 TESTHI9 -BR0 5 6
TP34 PCREQ# TESTHI09 TESTHI9 <6>
HA[17..33] H5 TESTHI10 -EDRDY 3 4
<8> HA[17..33] TESTHI10 TESTHI10 <6>
HA17 AB6 -HPCREQ 1 2
HA18 A17#
W6 A18# DP0# J16
HA19 Y6 H15 62/8P4R/6
HA20 A19# DP1#
Y4 A20# DP2# H16
HA21 AA4 J17
HA22 A21# DP3# GTLREF1 R55 0/6
AD6 A22# GTLREF1 H2
HA23 AA5 H1 GTLREF
HA24 A23# GTLREF0 R4 62/6 -IERR
AB5 A24# VTT_OL
HA25 AC5 G23 -CPURST
A25# RESET# CPURST- <28,29>
HA26 AB4
HA27 A26# -RS0 R6 62/6/X CPURST-
AF5 A27# RS0# B3 -RS0 <8> VTT_OL
HA28 AF4 F5 -RS1 C4
A28# RS1# -RS1 <8>
HA29 AG6 A3 -RS2 22p/4/NPO/50V/J/X
A29# RS2# -RS2 <8>
HA30 AG4
VCORE HA31 A30#
AG5 A31#
HA32 AH4
HA33 A32#
AH5 A33#
AJ5 A34#
AJ6 A35#
C426 C427 C428 C429 AC4
10U/8/X5R/6.3V/M
0.1u/6/Y5V/25V/Z 0.1u/6/Y5V/25V/Z 0.1u/6/Y5V/25V/Z RSVD
AE4 RSVD
B -HADSTB1 B
<8> -HADSTB1 AD5 ADSTB1#
CPU-SK/775/S/15
VCORE SP-CAP X 4PCS
100U/2V/SPCAP 10U/12/X/6.3V X2
+
+
+
+
EC10 EC11 EC12 EC13
100U/2V/SPCAP/X 100U/2V/SPCAP/X 100U/2V/SPCAP/X 100U/2V/SPCAP/X
EC12
BC5/6
VCORE
+
EC10 +
BC2 BC3 BC4 BC5 BC6 BC8/7
10U/12/X5R/6.3V/M 10U/12/X5R/6.3V/M 10U/12/X5R/6.3V/M
10U/12/X5R/6.3V/M 10U/12/X5R/6.3V/M
-
A EC13 A
BC3/4
VCORE
+ 100U/2V/SPCAP
+ GIGABYTE
BC7 BC8 BC9 10U/12/X/6.3V X2 EC11 Title
10U/12/X5R/6.3V/M 10U/12/X5R/6.3V/M
BC2/9 P4_LGA775-A
10U/12/X5R/6.3V/M
Size Document Number Rev
Custom GA-8VM800PMD-775 1.0
Date: Wednesday, November 30, 2005 Sheet 4 of 30
5 4 3 2 1
5 4 3 2 1
D D
LGA775B
HD[0..15]
<8> HD[0..15] HD[32..47] <8>
HD0 B4 G16 HD32
HD1 D00# D32# HD33
C5 D01# D33# E15
HD2 A4 E16 HD34
HD3 D02# D34# HD35
C6 D03# D35# G18
HD4 A5 G17 HD36
HD5 D04# D36# HD37
B6 D05# D37# F17
HD6 B7 F18 HD38
HD7 D06# D38# HD39
A7 D07# D39# E18
HD8 A10 E19 HD40
HD9 D08# D40# HD41
A11 D09# D41# F20
C HD10 B10 E21 HD42 C
HD11 D10# D42# HD43
C11 D11# D43# F21
HD12 D8 G21 HD44
HD13 D12# D44# HD45
B12 D13# D45# E22
HD14 C12 D22 HD46
HD15 D14# D46# HD47
D11 D15# D47# G22
-DBI0 A8 D19 -DBI2
<8> -DBI0 DBI0# DBI2# -DBI2 <8>
STBN0 C8 G20 STBN2
<8> STBN0 DSTBN0# DSTBN2# STBN2 <8>
STBP0 B9 G19 STBP2
<8> STBP0 DSTBP0 DSTBP2 STBP2 <8>
HD[16..31]
<8> HD[16..31] HD[48..63] <8>
HD16 G9 D20 HD48
HD17 D16# D48# HD49
F8 D17# D49# D17
HD18 F9 A14 HD50
HD19 D18# D50# HD51
E9 D19# D51# C15
HD20 D7 C14 HD52
HD21 D20# D52# HD53
E10 D21# D53# B15
HD22 D10 C18 HD54
HD23 D22# D54# HD55
F11 D23# D55# B16
HD24 F12 A17 HD56
HD25 D24# D56# HD57
D13 D25# D57# B18
HD26 E13 C21 HD58
HD27 D26# D58# HD59
G13 D27# D59# B21
HD28 F14 B19 HD60
HD29 D28# D60# HD61
G14 D29# D61# A19
HD30 F15 A22 HD62
HD31 D30# D62# HD63
G15 D31# D63# B22
-DBI1 G11 C20 -DBI3
<8> -DBI1 DBI1# DBI3# -DBI3 <8>
STBN1 G12 A16 STBN3
<8> STBN1 DSTBN1# DSTBN3# STBN3 <8>
STBP1 E12 C17 STBP3
<8> STBP1 DSTBP1 DSTBP3 STBP3 <8>
B CPU-SK/775/S/15 B
A A
GIGABYTE
Title
P4_LGA775-B
Size Document Number Rev
Custom GA-8VM800PMD-775 1.0
Date: Wednesday, November 30, 2005 Sheet 5 of 30
5 4 3 2 1
5 4 3 2 1
R12 110/6/1 TESTHI0
VCC3
Place outside of CPU socket
Note: R13
61.9/6/1 C8 COMP2 R60 60.4/6/1
VCCA & VCOREPLL 0.1u/4/Y5V/16V/Z COMP3 R59 60.4/6/1
define doesn't same as R36 60.4/6/1 COMP0
VTT_GMCH old P4 design kit R37 60.4/6/1 COMP1
L2
VCCA R14 249/6/1
VCC3
3
10uH/8/100mA/0.50/S R63 60.4/6/1 COMP4
VTT_OL
R62 60.4/6/1 COMP5
C6 BC11 R9 D Q2
D D
1U/6/Y5V/10V/Z 4.7U/8/Y5V/10V/Z 0/SHT/X 2N7002/SOT23 C52
G S 0.1u/6/Y5V/25V/Z
VSSA SOT23 TESTHI0
Trace width doesn't <8> GTL_DET
2
1
less than 12 Mil R65 60.4/6/1 COMP6
VTT_OR
C7 BC12 R64 60.4/6/1 COMP7
L3 1U/6/Y5V/10V/Z 4.7U/8/Y5V/10V/Z
VCOREPLL C53
10uH/8/100mA/0.50/S LGA775C 0.1u/6/Y5V/25V/Z
As close as possible to
CPU socket -SMI P2 F26 TESTHI0
<15> -SMI SMI# TESTHI00
-A20M K3 W3 TESTHI1 RN6
<15> -A20M A20M# TESTHI01