Online User Manual and Guide for NEC Versa LX PC Notebook by FixYa, Page #182

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Specifications B-9 Memory Map The system supports system and video shadowing, both controlled through complementary metal oxide semiconductor (CMOS). The system supports BIOS as a cacheable area with write protection. The following table shows the system's memory map. System Memory Map Memory Space Size Function 000000-0002FFh 768 bytes BIOS Interrupt Vector Table 000300-0003FFh 256 bytes BIOS Stack Area 000400-0004FFh 256 bytes BIOS Data Area 000500-09FFFFh 639 KB Applications Memory (used by the OS, device drivers, TSRs, and all DOS applications 0A0000-0AFFFFh 64 KB Video Buffer (EGA and VGA) 0B0000-0B7FFFh 32 KB Video Buffer (monochrome, CGA color, VGA monochrome) 0B8000-0BFFFFh 32 KB Video Buffer (CGA, EGA color, and VGA color) 0C0000-0CBFFFh 64 KB Video ROM (EGA and VGA) 0D0000-0DFFFFh 64 KB Used by Adapter ROMs (i.e., network controllers, hard disk controllers, SCSI host adapters) 0E0000-0EFFFFh 64 KB Used by System ROM adapters (i.e., network controllers with boot capability) 0F0000h-0FFFFFh 64 KB System AMIBIOS (includes Setup and hard disk drive utilities) 100000h-1FFFFFF 32 MB Built-In Extended Memory 2000000-5FFFFFF up to 256 MB Extended Memory

Online User Manual and Guide for NEC Versa LX PC Notebook

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