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GIGABYTE 8VM800M Schematics Revision 1.01
SHEET TITLE SHEET TITLE
D D
01 COVER SHEET 24 FRONT PANEL
02 BOM & PCB MODIFY HISTORY 25 ALC653 CODEC
03 BLOCK DIAGRAM 26 AUDIO JACK
04 P4_478A 27 CLOCK GEN. RTM862-520
05 P4_478B 28 ATX & StandBy Power
06 P4_478C 29 VCORE PWM (FAN5018B)
C
07 P4M800_1_CPU 30 Discrete Power C
08 P4M800_2_DDR 31 RTL8201CL & USB_LAN
09 P4M800_3_AGP_VLINK 32 GPIO LIST
10 P4M800_4_VGA
11 DDR1 & DDR2
12 VTT_DDR TERMMINATOR
13 VT8237R+_ PCI, USB
14 VT8237R+_IDE_SATA_GPIO
B B
15 VT8237R+_VLINK_LPC_MII
16 AGP SLOT
17 PCI1 & PCI2 SLOT
18 PCI3 SLOT
19 LPC I/O (IT8705)
20 IDE CONNECTOR
COMPONENT SIDE
(1 oz. Copper)
21 PS/2 KB & MS F_USB VCC SIDE
(1 oz. Copper)
GND SIDE
A (1 oz. Copper) A
22 BIOS, FDD, COM, LPT SOLDER SIDE
(1 oz. Copper)
23 FAN & H/W MONITOR GIGABYTE
Title
COVER SHEET
Size Document Number Rev
Custom 8VM800M 1.01
Date: Thursday, November 03, 2005 Sheet 1 of 32
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Model Name: 8VM800M 1.01 Circuit or PCB layout change for next version
243.84mm* 209.98mm,60+/-15%,C Type,Blue Date Change Item Reason
Component value change history 94.08.31_0.3 Modify from 8VM533MRZ 1.03
D
Date Change Item Reason 94.10.18_1.0 NB & SB P4M800 & VT8237
D
94.09.02_0.3 1'st BOM for pilot run Add Clock pin 7 external pull-up
94.10.18_1.0A IT8705 add second source (10HP1-058705-15) Q101.2 add pull-down
BIOS need to disable Clock Turbo function. (byte 0 / bit 7 = 1) BSEL[0..1] don't connect to 8237R+ BSEL[0..1] don't connect to 8237R+
DDR25V & DDRVTT add bypass caps. For DDR burn-in fail. VCC add 3pcs 8P4R as dummy load For 2 types PSU can not boot issue.
8237R+ Strapping resistor change DDR25V cap location re-place. For EMI issue.
Bottom of DDR change from DDR25V to
ATX change to 2*10 GND. For EMI issue.
CLR_CMOS add "insert 1-2" 94.10.24_1.01 add 6pcs DDRVTT bypass caps. For memtest fail issue.
94.10.31_1.0B DDR termination change to 47 ohm Improve memory compatibility
Add 0.1uF: BC459, BC460, BC463, BC466 Improve memory compatibility
BC104,BC435,BC436,BC491,BC492,BC493,
94.11.03_1.0B_ECN 10CM0-161002-31
C C
CR 12KRC-040003-3A,3AR
B B
A A
GIGABYTE
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom 8VM800M 1.01
Date: Thursday, November 03, 2005 Sheet 2 of 32
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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 16 5VSB,-12V,+12V,VCC,VCC3,3VDUAL
VTT_DDR,2_5VSTR PAGE28,29,30
GMCH
P4M800-DDR
MAA0~14
MAB0~14
MDD0~63
-DQSD0~8
DDR SDRAM DIMM X 2
DM0~7
2_5VSTR = 2.5V(MEMORY,SUSPEND POWER)
VCORE = 1.75V / SLEEP : 1.3V VTT_DDR = 1.25V
2_5VSTR = 2.5V(MEMORY) PAGE 10,11,12
VDDQ = 1.5V (AGP POWER, VIALINK) PAGE 7 ,8 ,9
C C
HL0~10
CONTROL BUS HUB LINK
RTL8201
VT8237R+ PAGE 31
IDE Primary and Secondary
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
3VDUAL = 3.3V(SUSPEND POWER)
VCC3 = 3.3V
RTCVDD = 3.3V VCC = 5V PAGE 20
PAGE 13,14,15
PCI BUS
B B
PCI SLOT 1,2,3 BIOS
+12 = 12V
-12 = -12V
VCC = 5V
VCC3 = 3V VCC = 5V
3VDUAL = 3V PAGE 17,18 VCC3 = 3V PAGE 22
LPC BUS
AC97 CODEC LPC I/O ITE8705
+12V = 12V AC97 LINK
VCC3 = 3.3V VCC = 5V
VCC = 5V 5VSB = 5V
AVDD = 5V PAGE 25 VBAT = 3V PAGE 19
A AUDIO PORTS : FRONT AUDIO FRONT PANEL /FANS I/O PORTS : A
LIN_ OUT LINE_IN MIC
VCC = 5V
FLOPPY,COM &PLT CONNECTOR
CD_IN AUX_IN 5VSB = 5V
PAGE 26,27 +12 = 12V
PVCC = 5V PAGE 23,24 PS/2 KB & MOUSE , F_USB PAGE 21,22
GIGABYTE
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom 8VM800M 1.01
Date: Thursday, November 03, 2005 Sheet 3 of 32
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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
R1045 1K/6/X
E8
VCCVID
SOCKET_478A
AD1 BOOTSEL
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] BOOTSEL
7 HA[3..16]
HA16 N5 AE26 R950 62/6
HA15 A16 OPTIM/COMPAT
N4 A15
HA14 N2 G1 -HADS
A14 ADS -HADS 7
HA13 M1 AC1
A13 AP0 AP0 7
HA12 N1 V5
A12 AP1 AP1 7
HA11 M4 AA3
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
A3 TESTHI8 TESTHI8 5
-HADSTB0 L5 W4 TESTHI9
7 -HADSTB0 ADSTB0 TESTHI9
-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
DBSY -DBSY 7
AB1 E2 -DEFER
A35 DEFER -DEFER 7
HA[17..33] Y1 H2 -DRDY
7 HA[17..33] A34 DRDY -DRDY 7
HA33 W2 F3 -HIT
A33 HIT -HIT 7
HA32 V3 E3 -HITM
A32 HITM -HITM 7
HA31 U4
HA30 A31
T5 A30 IERR AC3
HA29 W1
HA28 A29 HINIT-
R6 A28 INIT W5 HINIT- 15
HA27 V2 A27 VCORE
HA26 T4 G4 -HLOCK
A26 LOCK -HLOCK 7
HA25 U3 R5
HA24 A25 62/6
P6 A24 MCERR V6
HA23 U1
HA22 A23 -CPURST
T2 A22 RESET# AB25 -CPURST 5,7
HA21 R3 F4 -RS2
A21 RS2 -RS2 7
VCORE HA20 P4 G5 -RS1
A20 RS1 -RS1 7
HA19 P3 F1 -RS0 C1
A19 RS0 -RS0 7
HA18 R2 AB2 1N/4/X7R/50V/K/X
HA17 A18 RSP -HTRDY
T1 A17 TRDY J6 -HTRDY 7
BC12 BC13 -HADSTB1 R5
7 -HADSTB1 ADSTB1 AD23GND11
AD21GND12
AE17GND13
AE15GND14
AE13GND15
AE11GND16
AE9 GND17
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
100U/SP/2V/V/X 100U/SP/2V/V/X
B B
CPU-SK/478/D/GF
SP-CAP
VCORE
10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X
BC10 BC11 BC14 BC15 BC16 BC17
10U/12/X5R/6.3V/K 10U/12/X5R/6.3V/K
10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X
VCORE VCORE
10U/12/X5R/6.3V/K
RN161 62/8P4R/6
2 1 TESTHI10
BC23 BC27 4 3 HINIT-
10U/12/X5R/6.3V/K/X 6 5 STPCLK-
STPCLK- 5,15
8 7 TESTHI9 COUPON2 1 2 COUPON VCC
COUPON1 1 2 COUPON
A A
R4 62/6 -BR0
VCORE
10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X
BC28 BC29 BC30 BC31 BC32 BC33 BC34 BC35
10U/12/X5R/6.3V/K/X
GIGABYTE
Title
10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X 10U/12/X5R/6.3V/K/X P4 478A
Size Document Number Rev
Custom 8VM800M 1.01
Date: Thursday, November 03, 2005 Sheet 4 of 32
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5VSB
R119 4.7K/6