SOHARD SH-ARC PCI, Руководство пользователя

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SH-ARC PCI Manual Version 01.00
6 Troubleshooting
•
Adapter is not mapped into the PC Address Range.
Possible Cause: The computer BIOS does not support the required
hardware mechanism (The PCIBIOS program, shipped with the
adapter, reports for "Hardware Mechanism" a value unequal 1 or 11).
Solution: Update the BIOS
•
Adapter is accessible, but no Interrupts are generated.
Possible cause: An insufficient number of interrupt lines is reserved for
PCI in the computers BIOS setup. (The PCIBIOS program, shipped
with the adapter, reports for "Interrupt" the value 0) Solution: Configure
more interrupts for PCI in the BIOS setup.
•
Transmission Activity LED indicates Reconfigurations.
Possible causes:
- Only one node is present in the network
- The network is not properly terminated
- At RS485 connections DATA-A and DATA-B are exchanged
•
Green LED does not light
Possible causes:
- The COM2002x is operated at an invalid Bit rate
- The COM2002x is in backplane mode
- The COM2002x is not acitvated on the transmitter side
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