Specifications

Table 7-13

System Memory Map

Size

Memory Address

System Function

 

 

 

 

640 KB

00000000

- 0009FFFF

Base memory

 

 

 

128 KB

000A0000 - 000BFFFF

Video memory

 

 

 

 

128 KB

000C0000

- 000DFFFF

Video BIOS and other Optional ROM

 

 

 

128 KB

000E0000 - 000FFFFF

System BIOS

 

 

 

 

2047 MB

00010000

- 7FFFFFFF

Extended memory

 

 

 

 

1 GB

80000000

- BFFFFFFF

PCI Bus

 

 

 

 

32 MB

C0000000

- C1FFFFFF

Video memory (direct access)

 

 

 

 

991 MB

C2000000

- FFF00000

PCI Bus

 

 

 

1 MB

FFF00000 - FFFFFFFF

System BIOS

 

 

 

 

 

7–18

Maintenance and Service Guide