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
Содержание COM Express nanoX-TC
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