Gateway ALR 8300 Manual De Usuario

Reference Data     97

The following table gives descriptions of what the memory is used for at 
each address location.

0-KB–640-KB

0000:0000–
0009:FFFF

640-KB

Main memory for 
applications.

640-KB–
768-KB

000A:0000–
000B:FFFF

128-KB

Video graphics dis-
play buffer

768-KB–
896-KB

000C:0000–
000D:FFFF

128-KB

Reserved for ROM on 
I/O adapters

896-KB–
1024-KB 
(1-MB)

000E:0000–
000F:FFFF

128-KB

System BIOS ROM

Above 1-MB

1-MB–16-MB

0010:0000–
00FF:FFFF

15-MB

Extended Memory

15-MB–16-MB

00FE:0000–
00FF:FFFF

64-KB

Mapped RAM or ROM

Above 16-MB

16MB–
1024-MB 
(1-GB)

0100:0000–
3FFF:FFFF

1-GB 
(minus 
16-MB)

Total accessible 
extended memory 
above 16-MB

128-MB–
4084-MB 
(4GB minus 
2MB)

0800:0000–
FFFD:FFFF

3966-M
B

Mapped to ISA slots

4-GB minus 
64KB–4-GB

FFFF:0000–
FFFF:FFFF

64-KB

System BIOS ROM

4081TL.book  Page 97  Tuesday, December 22, 1998  1:27 PM