Re: Q: Installing Debian on a Performa 475?
On 21 Jul 2001 11:25:51 +0200, Alexander Klein wrote:
> On my search for a stable C++ programming environment running on my old
> Performa 475 I tried the debian potato distribution.
> Installing the base system worked fine, but the real trouble began with the
> dselect sessions:
> When the system load increases, using the kernel that comes with the base
> install will result in many freezes, The 2.2.19-Kernel freezes less
> frequently, but still often enough to make installing impossible.
> As for the 2.4-kernels from the sourceforge page:
> - the 2.4.1 kernel panics before SCSI-Devices are detected
> - the 2.4.0 kernel has incredibly many 'Unexpected Interrupts 03 from
> device 0000000'. Judging from the noise the HDs make, the interrupts seem
> to be mysteriously related to SCSI activity, and the kernel resets the
> SCSI-bus every so often, because commands time out.
> My machine has the following configuration:
> Performa 475, real 68040/33MHz model, clockchipped to run at 33MHz, 20MB
> rel RAM, 160MB swap at SCSI-ID 0, 2GB root at ID 1, Mac-volume at ID 2, 40x
> NEC-CD-R at ID 4, no ethernet
> Oddly enough, everything seemed to crash less frequently before my old
> Double-Speed-CD-R died.
> The whole configuration works with no problems under MacOS, though.
> Has anyone any idea what else I could try to get the machine to a usable state?
> Best regards
Try using the 2.2.19 kernel with the following added to the command options in Penguin: ncr53c9x=1,0
This will disallow SCSI disconnects which sometimes cause problems with
more than one device on the SCSI bus.