ADLINK nanoX-TC - Manual (Page 24)

nanoX-TC User’s Manual Page 24
7 System Resources
7.1 System Memory Map
Address Range (decimal) Address Range (hex) Size Description
(4GB- 512KB) FFF80000 – FFFFFFFF 512 KB High BIOS area
(4GB-16MB) – (4GB-16MB-48KB) FEFD4000 –FED4BFFF 48 KB TPM 1.2
(4GB-19MB) – (4GB-18MB-1KB) FED00000 – FED003FF 1 KB HPET
(4GB-20MB) – (4GB-19MB-64Byte) FEC00000 – FEC00040 64 Byte APIC configuration space
960 K – 1024 K F0000 – FFFFF 64 KB System BIOS area
896 K – 960 K E0000 – EFFFF 64 KB Extended System BIOS area
768 K – 896 K C0000 – DFFFF 128 KB PCI expansion ROM area
C0000-CEFFF: Onboard VGA BIOS
D0000 – D33FF: PXE option ROM
when onboard LAN boot ROM is
enabled."
640 K – 768 K A0000 – BFFFF 128 KB Video Buffer & SMM space
0 K – 640 K 00000 – 9FFFF 640 KB DOS area
7.2 Direct Memory Access Channels
Channel Number Data Width System Resource Comment
0 8-bits Open
1 8-bits Open
2 8-bits Open
3 8-bits Open
4 Reserved - cascade channel
5 16-bits Open
6 16-bits Open
7 16-bits Open