User Guide
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...MB 4080 MB 128 KB Description Conventional Extended conventional Extended BIOS data Dynamic video memory display cache Video ROM BIOS (shadowed) PCI space, available to PCI bus Keyboard controller byte, reset IRQ System port B Keyboard controller, CMD/ATAT byte Enable NMI Real-time clock, address Real-time clock, data © Copyright IBM.... A 256-byte area and a 1 KB area of system board RAM is mapped starting at address hex 00000000. Appendix C. Table 1. DFFFF 896 K - 1 MB E0000 - FFFFF 1 MB - 16 MB 1000000 - System memory map The first 640 KB of this RAM are approximate...
...MB 4080 MB 128 KB Description Conventional Extended conventional Extended BIOS data Dynamic video memory display cache Video ROM BIOS (shadowed) PCI space, available to PCI bus Keyboard controller byte, reset IRQ System port B Keyboard controller, CMD/ATAT byte Enable NMI Real-time clock, address Real-time clock, data © Copyright IBM.... A 256-byte area and a 1 KB area of system board RAM is mapped starting at address hex 00000000. Appendix C. Table 1. DFFFF 896 K - 1 MB E0000 - FFFFF 1 MB - 16 MB 1000000 - System memory map The first 640 KB of this RAM are approximate...