AXIOMTEK AX5420P, User Manual

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AX5420P & AX5425P User ’ s Manual
Using the Device Driver Command
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C h a p t e r 5
Using the Device Driver Command
The device driver allows user to generate the BASE ADDRESS,
IRQ LEVEL, SLOT NUMBER of the AX5425P(0) plugged in your
system. Before accessing the device driver, open it is needed.
And after access device driver, close it also as required.
To get any information (BASE ADDRESS, IRQ LEVEL, SLOT
NUMBER), first of all, you must W rite Command to device
driver. Then the needed data can be Read from device driver.
There are three commands for user to get base address, IRQ
level and slot number. The number following the command
indicates card number. To get base address, you must write the
command string "B?" to Device driver and then read a word
(two bytes) from device driver. This is the base address you
need. To get IRQ level, you must write the command string "I?"
to device driver and then read a word (two bytes) from device
driver. This is the IRQ level you need.
To get a slot number, you must write the command String "S?"
to device driver and then read a W ORD (two Bytes) from device
driver. This is the slot number you Need.
NOTE:
The question mark '?' must be replace with card
Number. If base address return 0, it means all
information retrieved by that card number are not
available.
NOTE:
It supports programs written in Microsoft QuickBasic,
Microsoft C, Borland Turbo C, and Turbo, Pascal.