tailieunhanh - Mainboard via 645_650EM

Mainboard via 645_650EM | 8 D 7 6 5 4 JET WAY INFORMATION 645EM SiS-645 650 for Pentium 4 Desktop PC Uniprocessor Reference Design Schematics 3 2 1 D C B PAG Content 1 Cover Page 2 System Block Diagram 3 SOCKET 478 - 1 DIP 4 SOCKET 478 -2 DIP 5 SOCKET 478 BY-PASS CAP. 6 SIS 645 650-1 HOST AGP 7 SIS 645 650-2 MEMORY 8 SIS 645 650-3 VGA 9 SIS 645 650-4 POWER 10 SIS 961-1 PCI IDE 11 SIS 961-2 MISC. 12 SIS 961-3 USB 13 SIS 961-4 POWER 14 Main Clock Generator 15 SDR Clock Buffer 16 AGP SLOT VB 645 650 17 VGA CONNECTOR 18 SDR 1 2 19 SDR BY-PASS CAP. 20 RESERVED 21 PCI Slot 1 2 22 PCI Slot 3 23 IDE Connectors 24 USB Connectors 25 AC97 CODEC 26 CNR SLOT 27 ICS 1893 PHY 28 RESERVED 29 ITE 8705 30 FDC COM1 2 IR CONN. 31 GAME PARALLEL CONN. 32 FAN1 2 VOLTAGE TEMP. 33 BIOS FRONT PANNEL 34 RTC 35 LINEAR REGULATORS 36 CPU POWER 37 ACPI POWER 38 ATX POWER CONNECTOR A 8 7 6 5 4 3 C B A JET WAY INFORMATION Title Cover Page Size B Document Number 645EM Rev Date Thursday January 03 2002 Sheet 1 of 38 2 1 8 7 6 5 4 3 2 1 D C B A 8 7 6 5 4 3 2 1 HD-0 B21c HD-1 B22 HD-2 A23 HD-3 A25 HD-4 C21 HD-5 D22 HD-6 B24 HD-7 C23 HD-8 C24 HD-9 B25 HD-10 G22 HD-11 H21 HD-12 C26 HD-13 D23 HD-14 J21 HD-15 D25 HD-16 H22 HD-17 E24 HD-18 G23 HD-19 F23 HD-20 F24 HD-21 E25 HD-22 F26 HD-23 D26 HD-24 121 HD-25 G26 HD-26 H24 HD-27 M21 HD-28 122 HD-29 J24 HD-30 K23 HD-31 H25 HD-32 M23 HD-33 N22 HD-34 P21 HD-35 M24 HD-36 N23 HD-37 M26 HD-38 N26 HD-39 N25 HD-40 R21 HD-41 P24 HD-42 R25 HD-43 R24 HD-44 T26 HD-45 T25 HD-46 T22 HD-47 T23 HD-48 U26 HD-49 U24 HD-50 U23 HD-51 V25 HD-52 U21 HD-53 V22 HD-54 V24 HD-55 W26 HD-56 Y26 HD-57 W25 HD-58 Y23 HD-59 Y24 HD-60 Y21 HD-61 AA25 HD-62 AA22 HD-63 AA24 RS-0 RS-1 G5 RS-2 F4 HD0 HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9 HD10 HD11 HD12 HD13 HD14 HD15 HD16 HD17 HD18 HD19 HD20 HD21 HD22 HD23 HD24 HD25 HD26 HD27 HD28 HD29 HD30 HD31 HD32 HD33 HD34 HD35 HD36 HD37 HD38 HD39 HD40 HD41 HD42 HD43 HD44 HD45 HD46 HD47 HD48 HD49 HD50 HD51 HD52 HD53 HD54 HD55 HD56 HD57 HD58 HD59 HD60 HD61 HD62 HD63 RS0 RS1 RS2 6 .