Specifications 9-7
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 0000h-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
1 MB Extended BIOS
FFF8 0000h-FFF9 FFFFh
256K
New Extended BIOS
FFFA 0000h-FFFB FFFFh
128K
Lower ROM, Power Management
BIOS
FFFE 0000h-FFFF FFFFh
128K
System BIOS (alias)
Содержание VERSA FX
Страница 1: ...NEC Versa Notebook Computer NEC VERSA FX S E R V I C E A N D R E F E R E N C E M A N U A L...
Страница 45: ...3 Disassembly and Reassembly Required Tools and Equipment Disassembly Reassembly...
Страница 62: ...4 System Board Layout LED Status Board IR Sound Board Connector Board Video USB Board Main Board...
Страница 65: ...5 Illustrated Parts Breakdown Illustrated Parts Breakdown Parts List...
Страница 66: ...5 2 Illustrated Parts Breakdown Illustrated Parts Breakdown...
Страница 73: ...7 Troubleshooting Quick Troubleshooting Helpful Questions...
Страница 82: ...9 Specifications System Components Connector Locations Memory Map Interrupt Controllers...