NOTE: On some models with SCSI on the system board, slot number 0 or 1 designates the logical position for the SCSI controller. Diagnostics might instruct you to replace the SCSI adapter in slot 0, or 1, leading you to believe that the SCSI adapter is missing. In that situation, replace the system board (The SCSI controller is built into the board).
If a SCSI device is missing from the list, determine if the missing device is connected to the SCSI controller on the system board, or a SCSI adapter. Either the system board or the SCSI adapter might be defective. Continue with the following procedure.
SCSI - Errorcode format
A A A B C D E F F F
----+ | | | | +----
| | | | | Error code (see table)
| | | | Unit capacity (always 0)
| | | Defective Adapter (primary = 0)
| | Logical Unit number (Adapter = 0)
| SCSI - ID of Unit (Adapter = 7)
|
Unit-type
Unit-type Codes:
104 IBM PS/2 SCSI-2 Adapter/2
209 DASD-Unit type 0 (not 512 bytes / sector not replaceable)
210 Hard Disk (512 byte / sector)
211 Unit with sequ. access (Tape)
212 Printer
213 Processor
214 WORM-Unit (Write Once Read Many)
215 CD-ROM
216 Scanner
217 Optical Storage
Error code Example for EC 1047000 107
104 Unit is IMB PS/2 SCSI-2 Adapter/A
7000 SCSI - ID is 7 .... Primary Adapter
107 Error Code 107
SCSI - Error Code table
Please see the LEGAL - Trademark notice.
Error Code:
FRU/Action.
107
1. SCSI chain not correct terminated
2. Cable not correct installed
3. defective SCSI cable
4. defective SCSI terminator
5. defective SCSI device
6. defective SCSI-2 Adapter/A
220
1. Configuration Error
2. SCSI - ROM system-memory conflict
3. SCSI-2 Adapter/A
221
1. No SCSI Device found
2. SCSI cable defect
3. SCSI - Device Power missing
4. SCSI - termination
6. SCSI-2 Adapter/A
402
1. SCSI Device Error
XXX
1. Unknown SCSI Device
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