Compaq Presario 5400 Series, Руководство по техническому обслуживанию и ремонту

Страница: 22 / 83

United States December 12, 2002
Maintenance and Service Guide
Compaq Presario 5400 Series Computers
Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications
System
Power supply
Diskette
drive
Hard drives
CD drives
Mouse
Fax/modem
SPECIFICATIONS
System Specifications (continued)
General system specifications
System interrupts
System I-O
System memory
System DMA
System Memory
Size Memory Address System Function
640 K 00000000 - 0009FFFF Base Memory
128 K 000A0000 - 000BFFFF Video RAM
32 K 000C0000 - 000C7FFF Video ROM
32 K 000C8000 - 000CFFFF Legacy USB Device Header (when legacy
support enabled)
64 K 000D000 - 000DFFFF Unused
48 K 000E0000 - 000EBFFF Unused (Not available for option cards. May
use for UMBs.)
16 K 000EC000 - 000EFFFF 16-bit cacheable, shadowable, read-only
memory. Not available for option cards.
64 K 000F0000 - 000FFFFF System BIOS ROM shadow image
15 M 00100000 - 00FFFFFF Standard Extended Memory
64 M 01000000 - 04FFFFFF Rest of Extended Memory
60 M 05000000 - 07FFFFFF Unused
512 K 08000000 - 0807FFFF Standard Direct Video Memory
512 K 08080000 - 080FFFFF Optional Direct Video Memory
1919 M 08100000 - 7FFFFFFF Unused
16 M 80000000 - 80FFFFFF Memory mapped I/O devices
~2000 M 81000000 - FDFDFFFF Unused/System ROM aliases
128 K FDFE0000 - FDFFFFFF System ROM (alias)
~32 M FE000000 - FFFDFFFF Unused
128 K FFFE0000 - FFFFFFFF System BIOS ROM
System DMA
Hardware System Function (Default) Alternate Mappings
DMA 1 ESS SOLO-1 DOS Emulation
DMA 2 Standard Diskette Drive Controller
DMA 3 ECP Printer Port (LPT1)
DMA 4 Direct memory access controller
privacy and legal statement