Intel D845PEBT2 Product Guide - Page 79
Desktop Board Resources, Memory Map, DMA Channels
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Technical Reference Desktop Board Resources Memory Map Table 32. System Memory Map Address Range (decimal) Address Range (hex) 1024 K - 2097152 K 100000 - 7FFFFFF 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 80000 - 9FBFF 00000 - 7FFFF 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 DMA Channels Table 33. 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 8 or 16 bits 16 bits 16 bits 16 bits System Resource Parallel port Floppy drive Parallel port (for ECP or EPP) DMA controller Open Open Open 79
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