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PIO-D144 User’s Manual
Page 20 Version: 2.1 Date: 1999/10
3. I/O Control Register
3.1 How to Find the I/O Address
The plug&play BIOS will assign a proper I/O address to every PIO/PISO series
card in the power-on stage. The fixed IDs of PIO/PISO series card are given as
following:
•
Vendor ID = E159
•
Device ID = 0002
The sub IDs of
PIO-D144
are given as following:
•
Sub-Vendor ID= 80
•
Sub-Device ID = 01
•
Sub-Aux ID
= 00
We provide all necessary functions as following:
1.
PIO_DriverInit(&wBoard, wSubVendor, wSubDevice, wSubAux)
2.
PIO_GetConfigAddressSpace(wBoardNo,*wBase,*wIrq, *wSubVendor,
*wSubDevice, *wSubAux, *wSlotBus, *wSlotDevice)
3.
Show_PIO_PISO(wSubVendor, wSubDevice, wSubAux)
All functions are defined in PIO.H. Refer to Chapter 4 for more information. The
important driver information is given as following:
1. Resource-allocated information:
•
wBase : BASE address mapping in this PC
•
wIrq: IRQ channel number allocated in this PC
2. PIO/PISO identification information:
•
wSubVendor: subVendor ID of this board
•
wSubDevice: subDevice ID of this board
•
wSubAux: subAux ID of this board
3. PC’s physical slot information:
•
wSlotBus: hardware slot ID1 in this PC’s slot position
•
wSlotDevice: hardware slot ID2 in this PC’s slot position
The utility program,
PIO_PISO.EXE
, will detect & show all PIO/PISO cards
installed in this PC.
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