Compaq 470007-802 Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 79
System Memory Map, Register Name, Memory Address, System Function
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ICH Fixed I/O Registers cont Port Register Name 3F6h PIO Mode Control Block Offset for Primary Drive 4D0h Master PIC Edge/Level Triggered Register 3F6h PIO Mode Control Block Offset for Primary Drive 4D0h Master PIC Edge/Level Triggered Register 4D1h Slave PIC Edge/Level Triggered Register 400-47F Super I/O F800-F87F Reserved (power management) FA00-FA3F Reserved (GPIO management) FC00-FC0F Reserved (SMBUS controller) NOTE: When the POS_DEC_EN bit is set, additional I/O ports get positively decoded by the ICH. 6.1.5 System Memory Map Size 512 KB 3839 MB 511 MB 128KB 96 KB 32 KB 128 KB 640 KB Memory Address FFFFFFFFh to FFF80000 FFFBFFFFh to 10000000h 0FFFFFFFh to 00100000h 000FFFFFh to 000E0000h 000DFFFFh to 000C8000h 000C7FFFh to 000C0000h 000BFFFFh to 000A0000h 0009FFFFh to 00000000h System Function System ROM PCI Memory Expansion HOST or PCI Memory Expansion System ROM PCI Option ROMs Video ROM Video RAM Base Memory Compaq Deskpro EN Series of Personal Computers 6-5
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