A. memory & i/o maps, A.1 memory mapping – Kontron AT8060 User Manual

Page 130

Text mode
Original mode

A-1

AT8060

www.kontron.com

A. Memory & I/O Maps

A.1

Memory Mapping

Address

Function

00000-9B7FF

0-622 KB DRAM

9B800-9FFFF

622KB - 640 KB XBDA; USB Legacy / BIOS Stack

A0000-BFFFF

Video DRAM

C0000-DBFFF

Optional ROM (Free)
LAN BIOS around 30KB if activated, address may vary
External Fiber Channel BIOS 18KB-64KB , address may vary

E0000-FFFFF

System BIOS

100000-PCI Memory

DRAM available

Note:

Actual memory availability to OS depends on the total amount of DRAM installed and the PCI
resource usage.

1MB to top of DRAM

System BIOS

See detailed map

to the right

0 - 622KB DRAM

Optional ROM (free)

Video DRAM

SAS BIOS

7HW7SDU7HW7

LAN BIOS (if activated) (~30KB)

100000h

A0000h

FFFFFh

E0000h

See Note 1

C0000h

A0000h

Note

:6$6%,26DGGUHVVPD\YDU\

,IQRGULYHFRQQHFWHGWKHQ6L]HLVRQO\.% 6$67

6L]HLVRQO\.% 6$67

Note2:

/$1%,26DGGUHVVPD\YDU\

Optional ROM (Free)

See Note 2

XBDA; USB Legacy / BIOS Stack