Toshiba Infinia 7130 Series Maintenance Manual page 220

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Address (hex)
03F8 - 03FF
04D0 - 04D1
LPT + 400h
0530-0537
0CF8 - 0CFB
0CF9
0CFC-0CFF*
FF00 - FF07
FFA0 - FFA7
FFA8 - FFAF
* Only by DWORD accesses.
Port 79 Definition
Bit
0
Reserved
1
Soft Off capable power supply present
2
Onboard Audio present
3
External Microprocessor clock
4
External Microprocessor clock
5
Setup Disable
6
Clear CMOS
7
Password Clear
Infinia™ 7130, 7160, and 7200 Maintenance Manual -------------------------------------H- I
Table G-2 I/O Map (2/2)
Size
8 bytes
COM1
2 bytes
Edge/level triggered
8 bytes
ECP port, LPT + 400h
8 bytes
Windows Sound System base port
4 bytes
PCI Configuration Address Register
1 byte
Turbo & Reset Control Register
4 bytes
PCI Configuration Data Register
8 bytes
IDE Bus Master Register
8 bytes
Primary Bus Master IDE Register
8 bytes
Secondary Bus Master IDE Register
Table G-3 Port 79 Definition
Description
Description
Bit = 1
N/A
N/A
No
Yes
Yes
No
See Table B-2
See Table B-2
See Table B-2
See Table B-2
Enable access
Disable access
Keep values
Clear values
Keep password
Clear password
Bit = 0
-31

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