B-6 Specifications
Storage
Temperature
–4°F to 104°F (–20°C to 40°C)
Relative Humidity
20% to 80% (Noncondensing)
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.
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
640 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
48 KB
Video ROM (EGA and VGA)
0CC000-0CFFFFh
16 KB
Unused. (Reserved for Adapter
ROMs and other devices requiring
ROMs)
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)