Re: [ILUG] [OT] SCSI Speed

From: Paul Jakma (paulj at domain itg.ie)
Date: Fri 06 Oct 2000 - 18:48:40 IST


On Fri, 6 Oct 2000, Keith Hyland wrote:

> what would cause SCSI disk(s) to apparently have a slow transfer speed?

see next line...

> I have a ST3600N and a Micropolis, into an AHA-1542 neither of which
                                              ^^^^^^^^
there's your answer...

> appear to transfer data above 900k/s
> I've tried changing the termination, setting "synchronous" on the adapter,

synch is what you want.

> re-formating, using a different ribbon cable and no improvement. AFAIK the
> micropolis is rated at 5mb/s - (10mb/s synchronous)

that's what its SCSI interface can do. The disk itself will probably
be slower.

but your real problem is the host adapter. if you're willing to spend
some cash, buy a PCI tekram card from scan.co.uk. (they start at 70
quid or so for Fast/wide).

> keith

regards,

--paulj



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