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Appendix A
55
KEM
X
-
2030
User’s Manua
l
44h – 47h (PS/2)
60h – 64h KeyBoard Controller
90h – 96h PS/2 P OS
F0h – FFh Math Co-Processor, X87 Unit
170h – 177h Secondary IDE
1F0h – 1F7h Primary IDE
200h – 22Fh GAME I/O
220h – 22Fh Sound Blaster / AD Lib
279h, A79h Plug and Play Configuration
Register
A15h, A16h HW Monitor Access Port
2E8h – 2EFh COM4
2F8h – 2FFh COM2
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
3E8h – 3EFh COM3
3F8h – 3FFh COM1
0CF8h PCI Configuration Register/address
0CFCh PCI Configuration Register/data
Hardware Monitor Parameters
IT8781F Pin Name Voltage/Temperature Function/Comments
VIN0 +VCORE Processor core
voltage
VIN1 +1.05V +/- 5%
VIN2 +3.3V +/- 5%
VIN3 +5V +/- 5%
VIN4 +12V +/- 5%
VIN5 Chip core 1.5V +/- 5%
VIN6 DDR 1.8V +/- 5%
5VSB 5VSB +/- 5%
SYS_TEMP System Temperature
CPU_TEMP CPU Temperature
PRDCHOT# CPU over
temperature
shutdown output
BEEP Beep function for
hardware monitor