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Mainboard Intel 845 eiclient schem

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Tài liệu tham khảo về Mainboard Intel 845eiclient schem. | Intel R 845E Interactive Client Reference Design Revision X2 Last Change 2002-09-26 Schematic Page 1 COVER SHEET 2 BLOCK DIAGRAM 3 BLOCK-POWER 4 MECH-ROUTE 5 NOTES 6 CPU-P4 BUS 7 CPU-P4 POWER 8 CPU-ITP 9 MCH-SYSBUS CLOCK 10 MCH-AGP DDR 11 MCH-POWER 12 CLK-ICS950201 13 DDR-DIMM 0 14 DDR-DIMM 1 15 ICH4-SYSBUS PCI 16 ICH4-LPC IDE USB 17 ICH4-POWER 18 GLUE LOGIC 19 SIO0-LPC47M107 20 SIO1-LPC47N227 21 CONN-COM1 COM2 LPT 22 CONN-COM3 COM4 KBC 23 AC97-AD1885 24 LAN-10 100 1000 BUS 25 LAN-10 100 1000 CONN 26 VGA-COUGAR-01 27 VGA-COUGAR-02 28 VGA-COUGAR-03 29 CONN-PCI 30 CONN-01 IDE-FLOPPY 31 USB0-USB1-LAN0 32 USB2-USB5 33 SYSTEM CONTROL 34 DDR-POWER 35 POWER Prefix Netobject A CRITICAL ANALOG TRACES AC AC97 SIGNAL APIC APIC SIGNAL AUD_ ANALOG AUDIO SIGNAL CK_ CLOCK SIGNAL EEn_ SERIAL EEPROM LANn EN_ ENABLE FOR POWER SOURCES F FLOPPY DISK SIGNAL FWH_ FIRMWARE HUB SIGNAL G AGP BUS SIGNAL GND GND SIGNAL DERIVED GND GND POWER H_ P4 HOSTBUS SIGNAL I2C_ I2C BUS SIGNAL IDE_ IDE SIGNAL INT_ INTERRUPT SIGNAL KB_ KEYBOARD SIGNAL L LPC BUS SIGNAL LANn_ LAN CONTROLLER n SIGNAL LP_ LPT1284 SIGNAL M MEMORY BUS SIGNAL MIDI MIDI SIGNAL MS_ MOUSE SIGNAL P_ PCI BUS SIGNAL SPn_ SERIAL PORT n SIGNAL USB_ USB PORT SIGNAL V_ POWER ZV_ ZV VIDEO PORT SIGNAL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Changes from X1 to X2 All BAT54A 0-0031-1261 changed to BAT54 0-0031-1104 due to wrong polarity R712 changed from 10k to 15k to adjust voltage PU R756 and R757 added @ U38.15 PG_VDDR and U38.16 PG_V1V5 Net on pins U3.54 and U3.55 separated PU R758 added at CN34.7 SYS_RESET PU R759 added at U39.4 VIDPWRGD BSEL 0.1 due to naming error C717 changed from 4u7 to 1u R607 R571 not populated and R572 not populated FWH Test Pins R585 and R586 not populated for LVDS 18 Bit R760 and C741 added to U7.50 to generate a V_3V3SB input delay R501 and R494 not populated due to PCI config of LAN 82540 for resume reset U36 FWH symbol changed due