Manual for the BusLogic BT-646S

This is an MCA 32-bit Fast SCSI card. I couldn't get it to work on the 20MHz planar in my PS/2 Model 80-111, but after upgrading to the 25MHz planar it works fine. I suspect this was caused by the well-known DMA bugs in the 20MHz planar. I am no longer mirroring the manual here because Google now indexes PDFs.

Edward Avis

Last modified: Fri May 17 18:11:12 BST 2002