Using Your NEC Versa 4-27
To remove a DIMM, press the locking tabs away from
the sides of the module until the module pops up. Then,
remove the DIMM.
7.
Replace the memory socket cover.
8.
Run the Setup program to register the new memory
installed.
Reviewing the Memory Map
The system supports system and video shadowing, both
controlled through complementary metal oxide semiconduc-
tor (CMOS). The system supports BIOS as a cacheable
area with write protection. The following table shows the
system's memory map.
Memory Map
MEMORY SPACE
SIZE
FUNCTION
00000000h-0009FFFFh
640 KB
DOS Applications & Optional Memory
Space Gap
000A0000h-000A7FFFh
96 KB
Video (VGA) Graphics Memory
000B0000h-000BFFFFh
32 KB
Text Mode Memory (SMM Space)
000C0000h-000CC7FFh
40 KB
Video (VGA) BIOS
000CA000h-000CFFFFh
24 KB
PnP BIOS / PCI BIOS
000D0000h-000DFFFFh
64 KB
Setup / PCMCIA Window (Extended
Memory or Upper Memory Block)
000E0000h-000FFFFFh
128 KB
System BIOS ROM
To -00FFFFFFh
16 MB
Total Base Memory
To -FFFEFFFFh
80 MB
Total Expansion Memory
Summary of Contents for 2600
Page 11: ...viii Setting Up Your Computer ...
