Intel SE440BX Product Guide - Page 56
Motherboard Resources, Memory Map, DMA Channels
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Technical Reference Motherboard Resources Memory Map Table 35. Memory Map Address Range (decimal) 1024 K - 393216 K 928 K - 1024 K 896 K - 928 K 800 K - 896 K 640 K - 800 K 0 K - 640 K Address Range (hex) Size 100000 - 18000000 383 MB E8000 - FFFFF 96 KB E0000 - E7FFF 32 KB C8000 - DFFFF 96 KB A0000 - C7FFF 00000 - 9FFFF 160 KB 640 KB Description Extended memory System BIOS System BIOS (available as UMB) Available high DOS memory (open to ISA and PCI buses) Video memory and BIOS Conventional memory DMA Channels Table 36. DMA Channels DMA Channel Number 0 1 2 3 4 5 6 7 Data Width 8- or 16-bits 8- or 16-bits 8- or 16-bits 8- or 16-bits 16-bits 16-bits 16-bits System Resource Audio Audio/parallel port Diskette drive Parallel port (for ECP)/audio Reserved - cascade channel Open Open Open 56
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