andrew mcarthur writes
Dear AndrewI've lost my Guru temporarily. But if you have 8 slots like the 8500/8600 then you need to add RAM in pairs slots A1/B1 A2/B2 etc. You can add odd ones but it slows the whole thing down. Something to do with interleaves I believe.
Thanks for your assistance. Also thanks to Nick Tresidder for the URL...very useful! I am trying to work out exactly why this 9600 Mac is playing up and if you or someone else on Prodig could add some thoughts I would be most grateful.
With just one SCSI H drive correctly jumpered for 0 no other drive connected, just the video card inserted in the PCI slots. Ram as supplied 353Mb. What surprises me and, I am not normally a Mac user, is that on start-up there is two seconds of H disk activity, with nothing more for about one minute, then the drive starts again and the screen bursts into life and we are on our way. This has not always been the case it has normally been very temperamental. Very little software is installed BTW. As many extensions as possible are off.
An ongoing problem has been the SCSI CD drive. It is not very happy to recognise CD's. Well it seems happy with the OS 9.1 disk, will sometimes tolerate a CD written on another Mac containing scanner software, but keeps throwing out CD's written on Win2K machines. The writers in these are what are used for our scanning service and no failures have been reported to date, so I think it's fair to say the CD's should be OK. As a test tonight I have swapped a SCSI CD drive from a Win2K machine and jumpered it as the Mac one. It is correctly recognised by the Apple System Profiler but it says no mounted media inserted (when a CD has been inserted) and of course no drive is showing on the desktop! The Win2K CD has been written in closed session in ISO 9660 format as per normal.
Any ideas anyone?
Cheers
Richard
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