Kontron ETX-LX - Manual (Page 30)

10 Appendix B: System Resources
Kontron User's Guide ETX®-LX 30
10.3 Memory Area
Upper Memory Used for Available Comment
C0000h – C7FFFh VGA BIOS No
C8000h – E7FFFh
User Area (128k max)
SATA Controller
PXE OPROM
Yes
If enabled SATA Controller needs 64k
and PXE OPROM 40k
E8000h - FFFFFh System BIOS No
10.4 I/O Address Map
The I/O-port addresses of the ETX®-LX are functionally identical with a standard PC/AT.
The following I/O ports are used:
I/O Address Used for Comment
00h – 0Fh
C0h – DFh
8237DMA Controller
20h, 21h 8259A PIC
2Eh, 2Fh SuperIO Access Port
40h – 43h(XT/AT)
44h – 47h(PS/2)
8254PIT
4Eh, 4Fh 85226 LPC to ISA
60h – 64h KeyBoard Controller
90h – 96h PS/2 P OS
A0h, A1h 8259A PIC
F0h – FFh Math Co-Processor,X87 Unit
1F0h – 1F7h Primary IDE
200h – 22Fh GAME I/O
220h – 22Fh Sound Blaster / AD Lib
295h, 296h HW Monitor Access Port
279h, A79h Plus and Play Configuration Register
2F8h – 2FFh COM2
330h, 331h MIDI Port
378h – 37Ah Parallel Printer Port
3B0h – 3BFh MDA / MGA
3C0h – 3CFh EGA / VGA
3D4h – 3D9h CGA/CRT Register, Controller and Palette Register
3F0h – 3F7h Floppy Diskette
3F6h, 3F7h Enhanced IDE
3F8h – 3FFh COM1
0CF8h PCI Configuration Register/Address
0CFCh PCI Configuration Register/data