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
0000 0000h-0009 FFFFh
640K
System/Application Memory
000A 0000h-000B FFFFh
128K
Video Buffer RAM
000C 000h-000D FFFFh
128K
Available for applications
000E 0000h-000F FFFFh
128K
Upper ROM, System and Video
BIOS
0010 0000h-09FF FFFFh
up to 160MB
Extended Memory
000A 0000h-FFEF FFFFh
128K
Video RAM Frame Buffer
FFF0 0000h-FFF7 FFFFh
512K
1MB Extended BIOS
FFF8 0000h-FFF9 FFFFh
256K
New Extended BIOS
FFFA 0000h-FFFBFFFFh
128K
Lower ROM, Power Management
BIOS
FFFE 0000h-FFFF FFFFh
128K
System BIOS (alias)
Summary of Contents for VERSA TXI
Page 99: ...6 Communicating with Your NEC Versa PC Cards Mini PCI LAN Modem Card Internet Connections ...
Page 120: ...9 Using Multimedia Audio Video Multimedia Applications ...
Page 125: ...10 Solving System Problems Problem Checklist Start Up Problems If You Need Assistance ...
Page 142: ...B Specifications System Components Memory Map Interrupt Controllers ...