SCSI Card with AM53C974 Chip; Devices Are Not Detected

Support knowledgebase (hoe_AM53C974_1)
Applies to

SuSE Linux: Versions since 6.1
Kernel: Version 2.2.xx

Symptom:

The SCSI controller does not detect the connected devices (e.g. scanner, CDR).

The following article is based on "Kurt Garloff's DC390 page" and "kwown problems".

This page presents some solutions for the chips "AM53C974 / AM79C974" included in the SCSI controllers listed below.

Although the kernel also includes another driver for AM53C974, please use the driver tmscsim (Linux DC390/AM53C974 (tmscsim) SCSI driver) only!

Note: The SCSI card "Tekram DC390W/U/F" is based on the "NCR/Sym53C825/875"-chip and is supported by the driver "ncr53c8xx".

Additional problems

The author also deals with problems concerning In this case, please refer to the original documentation.