Gateway 920 Manuale Utente
91
Electronic specifications
www.gateway.com
Memory map
03F0h - 03F5h
Diskette Controller
03F6h - 03F7h
Primary IDE - Sec. Diskette
03F8h - 03FFh
Serial Port A (Primary)
0400h - 043Fh
DMA Controller 1, Extended Mode Registers
04D0h - 04D1h
Interrupt Controllers 1 and 2 Control Register
0678h - 067Ah
Parallel Port (ECP)
0778h - 077Ah
Parallel Port (ECP)
07BCh - 07BEh
Parallel Port (ECP)
0CA0 - CA3h
BMC Registers
0CF8h
PCI CONFIG_ADDRESS Register
0CF9h
NBX Turbo and Reset control
0CFCh
PCI CONFIG_DATA Register
46E8h
Video Display Controller
Address Range (hex)
Amount
Function
0 to 07FFFFh
640 KB
DOS region, base system memory
0A0000h to 0BFFFFh
128 KB
Video or SMM memory
0C0000h and 0DFFFFh
128 KB
Expansion card BIOS and buffer
area
area
0E0000h to 0FFFFFh
128 KB
System BIOS
0E0000h to 0EFFFFh
2 MB
Extended system BIOS
FC000000h to FFFFFFFFh
64 MB
PCI memory space
Address
Resource