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LVD SCSIDE Bridge Manual
Chapter 4 Troubleshooting
4.1 Basic Troubleshooting
After installing AEC-7722, AEC-7726H/Q, ARS-2100/ARS-2100Q, ARS-2120,
ARS-2000LFS or ARS-2000LHS, if it cannot work, check the following things.
1. Check SCSI host adapter
Check if the adapter is firmly inserted into PCI slot on the motherboard.
2. Check all connectors and SCSI cable
Check if the power connector, SCSI connector, IDE connector on the bridge, the
power connector on the IDE device, and the cable are all properly connected. The
cable is easily damaged due to folds. You can use a new cable. Be sure that the pins
inside the connectors are not bent, and the two colored pin 1s on both ends of the
cable are corresponding to the pin 1 on CN1 of the bridge and the pin 1 on SCSI
adapter respectively.
3. Check jumper setting
Configure the bridge to check if the jumper setting is right.
4. SCSI ID Number
If there are many SCSI devices, be sure that ID numbers are not conflicted with one
another. Test every SCSI device so as to reduce the failure of ID switch.
5. External Cable
In daisy chain if the external cable is not a highly dense 68-pin one, the emitted
signal will be weak. Under such circumstances use a better cable.
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