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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

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 61 62

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Adlink nanoX-TC Manuel d'utilisateur Page 24