IBM 6648 - Manual (Page 179)

POST Error Code FRU/Action
20104
1. Memory Module DRAM, VRAM
2. Printer/Scanner Option
3. Image Adapter/A
20105 to 20110
1. Printer/Scanner Option
2. Image Adapter/A
3. Memory Module DRAM, VRAM
Image Adapter/A Memory Test failure indicated
by graphic of adapter
1. Replace memory module (shown in graphic)
206XX
1. SCSI-2 Adapter
2. Any SCSI Device
3. System Board
208XX Verify there are no duplicate SCSI ID
settings on the same bus.
1. Any SCSI Device
210XXXX Internal bus, size
unknown210XXX1External bus, size unknown
1. SCSI Hard Disk Drive
2. SCSI Adapter or System Board
3. SCSI Cable
4. SCSI ID Switch (on some models)
Tape Drive amber LED remains on
1. Tape Drive
2. SCSI Cable (internal)
3. SCSI Adapter or System Board
Tape Drive green ″in use″ LED fails to come on
1. Tape Drive
2. SCSI Adapter or System Board
3. SCSI Cable (internal)
4. SCSI Cable (external)
Tape automatically ejected from drive
1. Tape Cassette
Drive
SCSI ID on rotary switch does not match SCSI ID
set in configuration. Verify drive switches inside
cover are set to zero
1. Rotary Switch Circuit Board
2. Circuit Board Cable
3. Tape Drive
Tape sticks or breaks in drive. Verify that the tapes
used meet ANSI standard X3B5
1. Tape Cassette
212XX
1. SCSI Printer
2. Printer Cable
213XX
1. SCSI Processor
Chapter 3. Types 6058/6059/6269/6578/6579 165