IBM 86807RY Hardware Maintenance Manual - Page 211
SCSI LEDs, SCSI Error Codes, I/O Function card .
UPC - 087944491972
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SCSI LEDs Check the status LED. If on, do the following: 1. Check the internal SCSI cable. 2. Replace the failing hard disk drive. 3. Replace the SCSI backplane. 4. Replace the hard disk drive controller (PCI adapter or I/O Function card . SCSI Error Codes Error Code All SCSI Errors One or more of the following might be causing the problem: A failing SCSI device (adapter, hard drive, controller) An improper SCSI configuration or SCSI termination jumper setting Duplicate SCSI IDs in the same SCSI chain A missing or improperly installed SCSI terminator A defective SCSI terminator An improperly installed cable A defective cable FRU/Action 1. External SCSI devices must be powered-on before you power-on the server. 2. The cables for all external SCSI devices are connected correctly. 3. If you have attached an external SCSI device to the server, make sure the external SCSI termination is set to automatic. 4. The last device in each SCSI chain is terminated correctly. 5. The SCSI devices are configured correctly. Netfinity 7000-M10 - Type 8680 203