Troubleshooting •• 29
6
Troubleshooting
If your PCI-7250 can not work properly, use the information in this
chapter to isolated the problem. You can use the DOS debug program
to verify the functionality of your PCI-7250 card. The verification
procedures are as follows.
Note : Before doing the following procedures, please inspect your PCI-
7250 is not damaged and your computer system is proper
operation.
1. Plug your PCI-7250 into your PCI slot, and turn the power on.
2. Make sure the base address, which is assigned by system BIOS, is
shown when the system is booted up, such as base address is Hex
6000
3. In DOS environment, execute DOS DEBUG utility
C> DEBUG <cr>
4. Using the following instructions to evaluate PCI-7250‘s I/O
functions.
- O 6000 FF ‘ All relay are energized and all LEDs will be ‘turn on
- O 6000 00 ‘ All relay are OFF and all LEDs will be turn off
Prepare some input signals and connection with your PCI-7250 card,
and check its input status.
- I 6000 ‘ the input status will be read
If you get any incorrect results, such as the LEDs does not turn on or
off, or the input status does not match with your input signals. Please
contact your agent for service.
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