Service Manuals, User Guides, Schematic Diagrams or docs for : Gigabyte gigabyte 8GEM800_Rev.1.0
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5 4 3 2 1
GA-8GEM800 Schematics Revision:1.0
SHEET TITLE SHEET TITLE
D D
01 COVER SHEET 24 PS/2 K/B & M/S
02 BOM & PCB MODIFY HISTORY 25 COM & PRT PORT
03 BLOCK DIAGRAM 26 AC97 CODEC
04 P4_478A 27 LINE OUT/IN/MIC/FRONT AUDIO & GAME
05 P4_478B 28 VGA CONNECTOR
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06 P4_478C 29 MISC. PWR & ATX POWER
07 GMCH-BROOKDALE-GE_A 30 VCORE PWM
C C
08 GMCH-BROOKDALE-GE_B 31 DDR POWER
09 GMCH-BROOKDALE-GE_C 32 REALTEK 8100C
10 DDR SERIAL TERMINATION
11 DDR1 & DDR2
12 DDR TERM.
13 AGP SLOT
Digitally signed by dd
14 ICH4_1
B
DN: cn=dd, o=dd, ou=dd, B
15 ICH4_2
[email protected],
16 FWH
c=US
17 ICS950223AF CLOCK GEN
Date: 2009.10.23 06:55:48
18 PCI1 & PCI2 SLOT +07'00'
19 PCI3 SLOT
20 LPC IO ITE 8712 & FLOPPY & FAN
21 FRONT USB2.0
A
22 FRONT PANEL A
23 IDE CONNECTOR GIGABYTE
Title
COVER SHEET
Size Document Number Rev
Custom GA-8GEM800 1.0
Date: , 20, 2004 Sheet 1 of 32
5 4 3 2 1
5 4 3 2 1
Model Name: GA-8GEM800 Circuit or PCB layout change
for next version , ,
Version: 1.0
PAGE Change Item Reason
D 24.3cm X 22.0cm 60+-15% C Type 0.1 Modify from GA-8GEM667 REV1.0 D
Component value change history 1.0 For PVT PCB
PAGE Change Item Reason
Modify from GA-8GEM667
0.1 REV1.0F BOM
First release
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For PVT BOM
1.0A Remove PWM heat sink
Remove Prochot BOM
C Add EMI solution C
Remove CC40:10P/6 Modify EMI issue.
1.0B Modify FUSEVCC
R722:8.2K/6 change to 1K/6. protect issue.
B B
A A
GIGABYTE
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom GA-8GEM800 1.0
Date: , 20, 2004 Sheet 2 of 32
5 4 3 2 1
5 4 3 2 1
BLOCK DIAGRAM
INTEL Pentium4 (478)
D
CLOCK GENERATOR D
VID0~4
PWM/OTHER POWER
VCORE = 1.75V / SLEEP : 1.3V
VCC3 PAGE 4, 5, 6 VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3V
CKVDD = 3.3V PAGE 17 5VSB,-12V,+12V,VCC,VCC3,3VDUAL
VTT_DDR,2_5VSTR PAGE 30,31,32
GAD0~31
ADSTB0,ADSTB0-
GMCH BROOKDALE-GE-DDR MAA0~14
ADSTB1,ADSTB1- MAA_CPC1~5
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SBA0~7 MAB_CPC1~5
AGP SLOT 4X SBSTB,SBSTB- MDD0~63 DDR SDRAM DIMM X 2
-DQSD0~7
VDDQ = 1.5V (AGP POWER 4X) GCBE0~3-
VCC3 = 3.3V DM0~7
+12V = 12V ST0~2 AGP BUS
3VDUAL = 3.3V 2_5VSTR = 2.5V(MEMORY,SUSPEND POWER)
VCC = 5V PAGE 13 VCORE = 1.75V / SLEEP : 1.3V VTT_DDR = 1.25V
2_5VSTR = 2.5V(MEMORY) PAGE 10,11,12
VDDQ = 1.5V (AGP POWER 4X, HUBLINK) PAGE 7 ,8 ,9
C C
AGPUSB+ / -
HL0~10
CONTROL BUS HUB LINK FRONT USB CONN.
PAGE
ICH4 22
IDE Primary and Secondary
REAR USB PORTS
VCC = 5V PAGE 24
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 33 RTCVDD = 3.3V
PAGE 14,15 FWH
PCI BUS
VCC = 5V
B VCC3 = 3V PAGE 16 B
PCI SLOT 1,2,3
LPC BUS
+12 = 12V
-12 = -12V
VCC = 5V
VCC3 = 3V
LPC I/O ITE8712
3VDUAL = 3V PAGE 18,19,20
FDD IR/CIR S_IRQ GAME
VCC = 5V
VCC3 = 3V
PAGE 21
REALTEK 8100C LAN
AC97 CODEC ALC655 +12 = 12V
-12 = -12V
VCC = 5V
VCC3 = 3V
3VDUAL = 3V PAGE 18,19,20 I/O PORTS :
+12V = 12V AC97 LINK
VCC3 = 3.3V
VCC = 5V
AVDD = 5V PAGE 27 COMA COMB LPT PS2
PAGE 26
A AUDIO PORTS : FRONT AUDIO FRONT PANEL /FANS A
LIN_ OUT LINE_IN MIC CD_IN VCC = 5V
5VSB = 5V
+12 = 12V
PVCC = 5V PAGE 23
PAGE 28
GIGABYTE
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom GA-8GEM800 1.0
Date: , 20, 2004 Sheet 3 of 32
5 4 3 2 1
5 4 3 2 1
D D
VCORE
AD11
AD19
AC18
AC16
AC14
AC12
AC10
AD17
AD15
AD13
AE18
AE16
AE14
AE12
AE10
AE20
AB15
AB13
AB11
AB19
AD9
AD7
AC8
AE8
AE6
AB9
AB7
E14
E12
E10
E20
E8
P4A
VCORE1
VCORE2
VCORE3
VCORE4
VCORE5
VCORE6
VCORE7
VCORE8
VCORE9
VCORE10
VCORE11
VCORE12
VCORE13
VCORE14
VCORE15
VCORE16
VCORE17
VCORE18
VCORE19
VCORE20
VCORE21
VCORE22
VCORE23
VCORE24
VCORE25
VCORE26
VCORE27
VCORE28
VCORE29
VCORE30
VCORE31
VCORE32
HA[3..16] VCORE
7 HA[3..16]
HA16 N5
HA15 A16
N4 A15
HA14 N2 G1 HADS-
A14 ADS HADS- 7
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HA13 M1 AC1
HA12 A13 AP0
N1 A12 AP1 V5
HA11 M4 AA3 R1 39/6/X
HA10 A11 BINIT BNR-
M3 A10 BNR G2 BNR- 7
HA9 L2
HA8 A9
M6 A8 DP3 L25
HA7 L3 K26
HA6 A7 DP2
K1 A6 DP1 K25
HA5 L6 J26
HA4 A5 DP0
K4 A4
C HA3 K2 U6 TESTHI8 C
HADSTB0- A3 TESTHI8 TESTHI9
7 HADSTB0- L5 ADSTB0 TESTHI9 W4
HREQ4- H3 Y3 TESTHI10
7 HREQ4- REQ4 TESTHI10
HREQ3- J3 H6 BR0-
7 HREQ3- REQ3 BR0 BR0- 7
HREQ2- J4
7 HREQ2- REQ2
HREQ1- K5 D2 BPRI-
7 HREQ1- REQ1 BPRI BPRI- 7
HREQ0- J1
7 HREQ0- REQ0
H5 DBSY- VCORE
DBSY DBSY- 7
AB1 E2 DEFER-
A35 DEFER DEFER- 7
Y1 H2 DRDY-
A34 DRDY DRDY- 7
W2 F3 HIT-
A33 HIT HIT- 7
HA[17..31] V3 E3 HITM-
7 HA[17..31] A32 HITM HITM- 7
HA31 U4
HA30 A31 R2 39/6/X
T5 A30 IERR AC3
HA29 W1
HA28 A29 HINIT-
R6 A28 INIT W5 HINIT- 15,16
HA27 V2
HA26 A27 HLOCK-
T4 A26 LOCK G4 HLOCK- 7
HA25 U3
HA24 A25
P6 A24 MCERR V6
HA23 U1
HA22 A23 CPURST-
T2 A22 RESET# AB25 CPURST- 7
HA21 R3 F4 RS2-
A21 RS2 RS2- 7
HA20 P4 G5 RS1-
A20 RS1 RS1- 7
HA19 P3 F1 RS0- C1
A19 RS0 RS0- 7
HA18 R2 AB2 10000P/6/X/50V/X
HA17 A18 RSP HTRDY-
T1 A17 TRDY J6 HTRDY- 7
HADSTB1- R5
7 HADSTB1- ADSTB1
AD1 GND10
AD23GND11
AD21GND12
AE17GND13
AE15GND14
AE13GND15
AE11GND16
AE9 GND17
AE26GND18
AB20GND19
AC17GND20
AC15GND21
AC13GND22
AC11GND23
AC9 GND24
AC7 GND25
AC5 GND26
AC2 GND27
AC25GND28
AC22GND29
AC19GND30
AD18GND31
AD16GND32
AA4 GND33
AA1 GND34
AA23GND35
AA19GND36
AB18GND37
AB16GND38
AB14GND39
AB12GND40
AB10GND41
AB8 GND42
AB6 GND43
AB3 GND44
AB24GND45
AB21GND46
V4 GND47
V1 GND48
V23 GND49
W6 GND50
W3 GND51
W24 GND52
W21 GND53
Y5 GND54
Y2 GND55
Y25 GND56
Y22 GND57
AA17GND58
AA15GND59
AA13GND60
AE7 GND1
AE24GND2
AE22GND3
AE19GND4
AD14GND5
AD12GND6
AD10GND7
AD8 GND8
AD4 GND9
B B
SK478/GD/W
VCORE
100U/SP/6.3V/X 10U/12/X5R/6.3V/X 10U/12/X5R/6.3V/X
R770 62/6/X
BC10 BC11 BC12 BC13 BC14 BC15 BC16 BC17
10U/12/X5R/6.3V/X BOOTSEL BOOTSEL 30
100U/SP/6.3V/X 10U/12/X5R/6.3V 10U/12/X5R/6.3V/X 10U/12/X5R/6.3V
VCORE
VCORE
100U/SP/6.3V/X 10U/12/X5R/6.3V 10U/12/X5R/6.3V/X
RN128 2 1 68/8P4R TESTHI10
4 3 TESTHI8
BC18 BC19 BC20 BC21 BC22 BC23 BC24 BC25 6 5 TESTHI9
10U/12/X5R/6.3V 8 7
A
R4 220/6 BR0- A
100U/SP/6.3V/X 10U/12/X5R/6.3V 10U/12/X5R/6.3V 10U/12/X5R/6.3V/X
R5 68/6 CPURST-
Title
P4 478A
Size Document Number Rev
Custom GA-8GEM800 1.0
Date: , 20, 2004 Sheet 4 of 32
5 4 3 2 1
5 4 3 2 1
VCORE
R6 75/6/1 GTLREF
COMP0 R7 61.9/6/1
BC39 R8 BC40 BC41 COMP1 R9 61.9/6/1
10000P/6/X/50V/X 150/6/1 0.1U/6/Y/25V 10000P/6/X/50V
D Closed to D
Pin-F20
VCORE
VCC3 VCC3
AA18
AA16
AA14
AA12
AA10
AB17
AA8
C18
C16
C14
C12
C10
C20
D17
D15
D13
D11
D19
B13
B11
B19
F17
F15
F13
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