电脑主板电路图(全).pdf

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Model Name: H915G Revision
SHEETTITLE SHEETTITLE
DD
01 COVER SHEET 23 CK410M CLOCK.
02 BLOCK DIAGRAM 24 PCI SLOT 1, 2
03 BOM & PCB MODIFY HISTORY 25 PCI EXPRESS*1 SLOT 1,2,3
04 P4_LGA775_A 26 ITE8712HX
05 P4_LGA775_B 27 HWMO
06 P4_LGA775_C 28 IDE
07 P4_LGA775_D 29 KB_PS2 & IR
CC
08 VCORE POWER _LPT
09 GMCH-GRANTSDALE_HOST 31 FRONT USB CONNECTOR
10 GMCH-GARNTSDALE_DDR 32 CPU_FAN & SYS_FAN
11 GMCH-GRANTSDALE_PCI E, DMI 33 ALC880 / ALC658
12 GMCH-GRANTSDALE_INT VGA 34 AUDIO JACK
13 GMCH-GRANTSDALE_GND 35 AZALIA CODEC ALC880
14 GMCH-GRANTSDALE_PWR 36 ATX POWER CONN.
BB
15 DDR CHANNEL A 37 ALL POWER
16 DDR CHANNEL B 38 POLY S/W
17 DDR TERMINATION 39 FRONT PANEL
18 PCI EXPRESS*16 SLOT 40 REAR USBCONNECTOR
19 ICH6 PCI, USB, DMI, LAN 41 ONBOARD LAN
20 ICH6 IDE, GPIO, SATA, CTRL 42 RESERVED
21 ICH6 VCC, GND 43 RESERVED
AA
ShenZhen Topstar Inductor
22 FWH 44 Co.,Ltd
Page Name
Cover Sheet
COMPONENT SIDE Size Project NameRev
(1 oz. Copper)
VCC SIDE Custom GDDR1
(1 oz. Copper) Date:Sheet of
GND SIDE PROPERTTuesday,Y NOT E:Dece thism docuber 28,ment 2004 contains information confidential1 and property43 to
(1 oz. Copper)
TOPSTAR and shall not be reproduced or transferred to other documents or disclosed
SOLDER SIDE
(1 oz. Copper) to others or used for any purpose other than that for which it was obtained without
the expressed written consent of TOPSTAR
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PDF created with pdfFactory trial version
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BLOCK DIAGRAM
INTEL Pentium4
LGA775
DDCLOCK GENERATOR
PWM/OTHER POWER
VID0~4
VCORE = / SLEEP :
VCC3 PAGE 4, 5, 6 VCORE = (650-1100MHZ) / SLEEP :
CKVDD = PAGE 19 5VSB,-12V,+12V,VCC,VCC3,3VDUAL
VTT_DDR,2_5VSTR PAGE 32,33,34
CHANNEL A
DDR SDRAM DIMM X 2
GMCH
GAD0~31 2_5VSTR = (MEMORY,SUSPEND POWER)
ADSTB0,ADSTB0- GRANTSDALE MAA0~14 VTT_DDR = PAGE 11
ADSTB1,ADSTB1- MAA_CPC1~5
SBA0~7 MAB_CPC1~5
PCI EXPRESS