Intel D845EPI Intel Desktop Board D845EPI Product Guide English - Page 77
Desktop Board Resources, Memory Map, DMA Channels
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5 Desktop Board Resources Memory Map Table 34. System Memory Map Address Range (decimal) Address Range (hex) 1024 K - 2097152 K 100000 - 7FFFFFFF 960 K - 1024 K F0000 - FFFFF 896 K - 960 K E0000 - EFFFF 800 K - 896 K C8000 - DFFFF 640 K - 800 K 639 K - 640 K A0000 - C7FFF 9FC00 - 9FFFF 512 K - 639 K 0 K - 512 K DMA Channels 80000 - 9FBFF 00000 - 7FFFF Table 35. DMA Channels DMA Channel Number Data Width 0 8 or 16 bits 1 8 or 16 bits 2 8 or 16 bits 3 8 or 16 bits 4 8 or 16 bits 5 16 bits 6 16 bits 7 16 bits Size 2047 MB 64 KB 64 KB 96 KB 160 KB 1 KB 127 KB 512 KB Description Extended Memory Runtime BIOS Reserved Available high DOS memory (open to the PCI bus) Video memory and BIOS Extended BIOS data (movable by memory manager software) Extended conventional memory Conventional memory System Resource Open Parallel port Diskette drive Parallel port (for ECP or EPP) DMA controller Open Open Open 77