Sharp PC-9300 Especificaciones Pagina 92

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D-1
Appendix D: System Mapping
The tables below indicate the memory mapping and the system interrupt and
DMA channel assignments.
Memory Map
Memory Address Description Size
0000H-9FFFH Base Memory 640 KB
A000H-BFFFH Video Memory 128 KB
C000H-C9FFH VGA BIOS Code 40 KB
CA00H-CFFFH Reserved 12 KB
D000H-D7FFH PCMCIA Driver 32 KB
D800H-DFFFH Power Management Data
Buffer
32 KB
E000H-E7FFH Power Management Data
Buffer
32 KB
E800H-EFFFH Power Management Code 32 KB
F000H-FFFFH System BIOS Code 64 KB
DMA Channels
DMA Channel Assignment
Channel 0 Reserved for Audio
Channel 1 Reserved for FIR
Channel 2 FDD Drive
Channel 3 ESS ES1888
Channel 4 Cascade
Channel 5 Audio, fixed by hardware
Channel 6 Spare
Channel 7 Spare
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