Compaq Presario 5700 Series - System DMA

32 KB 000C8000 000CFFFF unused
64 KB 000D0000 000DFFFF unused
48 KB 000E0000 000EBFFF unused
Not available for option cards
Can use for UMBs
16 KB 000EC000 000EFFFF 16-bit cacheable, shadowable, read
only memory
Not available for option cards
64 KB 000F0000 000FFFFF System BIOS ROM shadow image
15 MB 00100000 00FFFFFF Standard Extended Memory
64 MB 01000000 04FFFFFF Rest of Extended Memory
60 MB 05000000 07FFFFFF unused
512 KB 08000000 0807FFFF Standard Direct Video Memory
512 KB 08080000 080FFFFF Optional Direct Video Memory
1919 MB 08100000 7FFFFFFF unused
16 MB 80000000 80FFFFFF Memory mapped I/O devices
~2000 MB 81000000 FDFDFFFF unused/System ROM aliases
128 KB FDFE0000 FDFFFFFF System ROM (alias)
~32 MB FE000000 FFFDFFFF unused
128 KB FFFE0000 FFFFFFFF System BIOS ROM
Top
System DMA
Default
DMA
ISA Bus
Pin
Function Alternative Mapping
DMA0 D09/D08 ECP Printer Port
DMA1 B18/B17 ESS Solo Dos Emulation 0, 1
DMA2 B06/B26 Floppy N/A
Compaq.com - Compaq Presario Maintenance and Service Guide - 5700 Series
http://www.compaq.com/athome/support/msgs/5700/spcifc3.html (2 of 8) [1/10/2002 11:55:57 AM]