NEC VERSA UltraLite Service And Reference Manual page 81

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
FFFE 0000H-FFFF FFFFH
FFFC 0000H-FFFD FFFFH
FFFA 0000H-FFFB FFFFH
FFF8 0000H-FFF9 FFFFH
FFF0 0000H-FFF7 FFFFH
0A00 0000H-0BFF FFFFH
000F 0000H-000F FFFFH
000E 0000H-000E FFFFH
000A 0000H-000B FFFFH
000C 0000H-000D FFFFH
0000 0000H-0009 FFFFH
9-6 Specifications
System Memory Map
Size Function
128K Upper ROM, System and Video
BIOS
128K Lower ROM, Power Management
BIOS
128K New Extended Area
128K
512K 1MB Extended, BIOS 512KB
Up to 176MB Extended Memory
64K System BIOS, 128K
64K
128K Video Buffer Ram
128K Available for Applications
640K System/Application Memory