电脑主板电路图全.doc

5 5 4 4 3 3 2 2 1 1 DD CC BB AA Revision 1.1 SHEETTITLE COMPONENT SIDE GND SIDE (1 oz. Copper) (1 oz. Copper) (1 oz. Copper) (1 oz. Copper)VCC SIDE SOLDER SIDE 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 SHEETTITLE 23 24 25 26 27 28 29 30 31 BOM PCB MODIFY HISTORY COVER SHEET P4_LGA775_A P4_LGA775_B P4_LGA775_C GMCH-GRANTSDALE_HOST GMCH-GARNTSDALE_DDR DDR CHANNEL B DDR TERMINATION ICH6 PCI, USB, DMI, LAN ICH6 IDE, GPIO, SATA, CTRL ICH6 VCC, GND FWH CK410M CLOCK. PCI SLOT 1, 2 ITE8712HX IDE KB_PS2 COM_LPT CPU_FAN SYS_FAN32 33 34 HWMO BLOCK DIAGRAM GMCH-GRANTSDALE_PWR VCORE POWER 35 36 POLY S/W FRONT PANEL 37 38 REAR USB 39 ONBOARD LAN IR USBFRONT CONNECTOR CONNECTOR PCI EXPRESS*1 SLOT 1,2,3 PCI EXPRESS*16 SLOT RESERVED Model Name: H915G 40 41 42 43 44 RESERVED ALL POWER ATX POWER CONN. AZALIA CODEC ALC880 AUDIO JACK ALC880 / ALC658 DDR CHANNEL A GMCH-GRANTSDALE_GND GMCH-GRANTSDALE_INT VGA GMCH-GRANTSDALE_PCI E, DMI P4_LGA775_D GDDR11.1 Cover Sheet Custom 143Tuesday, December 28, 2004 Page Name SizeProject NameRev Date:SheetofPROPERTY NOTE: this document contains information confidential and property to TOPSTAR and shall not be reproduced or transferred to other documents or disclosedto others or used for any purpose other than that for which it was obtained without the expressed written consent of TOPSTAR ShenZhen Topstar InductorCo.,Ltd PDF created with pdfFactory trial version 5 5 4 4 3 3 2 2 1 1 DD CC BB AA BLOCK DIAGRAM PAGE 4, 5, 6VCC3 INTEL Pentium4 LGA775 VCORE = 1.75V / SLEEP : 1.3V PAGE 7 ,8 ,9,10VCORE = 1.75V / SLEEP : 1.3V GMCH GRANTSDALE 2_5VSTR = 2.5V(MEMORY)VDDQ = 1.5V (AGP POWER 4X, HUBLINK) PAGE 32,33,34 PWM/OTHER POWER VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3VVID0~4 2_5VSTR = 2.5V(MEMORY,SUSPEND POWER)PAGE 12 DDR SDRAM DIMM X 2 VTT_DDR = 1.25V MAA0~14 MDD0~63-DQSD0~7 DM0~7+12V = 12VVDDQ = 1.5V (AGP POWER 4X) PAGE 143VDUAL = 3.3V VCC3 = 3.3V VCC = 5V GAD0~31 AGPUSB+ / - SBA0~7 GCBE0~3-ST0~2 ADSTB0,ADSTB0-ADSTB1,ADSTB1-