RE: SCSI Support for Miata (PWS500a)

[Rob Byrnes <robbyrnes ozemail com au>]

At 18:04 1/05/2002, Collin Baillie sent this up the stick:
> Would this work in my PWS500a?
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2020379839
>
> It's differential, so I guess I'd have to buy an LVD drive right?
>
> BTW It turns out that this PWS has the 2MB cache already plugged in. Yay!

It should work fine - I have a 500au and they use the QLogic 1020 
interface.  Since you have SRM, you can see what is loaded by the command:

>>> show conf | more

Cheers,
Rob

> > Subject: SCSI Support for Miata (PWS500a)
> >
> >
> > Hey,
> >
> > I have a friend's PWS500a. It currently has an 850MB IDE disk
> > and AlphaBIOS. I'd like to run Linux on it, and have confirmed
> > it switches to SRM ok.
> >
> > I'd like to install a SCSI disk, but it seems not to have SCSI
> > anywhere on the m/board and only has 1 PCI card - a Matrox II
> >
> > So I'd like to know which SCSI cards will work with SRM as a
> > bootable controller. (I've been told Qlogic 1020/1040b and
> > 53c8xx should work, but have read that 53c895 don't [under Tru64
> > anyway]). I have an Adaptec 3940, which boots perfectly for
> > WinNT on the box, but I have confirmed that SRM doesn't even
> > see it. Also I saw mention of an a-series -> au-series upgrade
> > which contained a 2MB cache module. Am I correct to assume
> > this would be for the CPU (L2/3 cache)? Would it effect
> > performance seriously by *not* having it?