Re: [parisc-linux] 735 Tech Reference

["Bryan W. Headley" <bheadley@prismalink.com>]

John David Anglin wrote:

> > Hi, new pa-risc boy, got a 735 that's not booting (it can find the CDROM
> > fine, but xmap diag shows no hard disks, even when I have one plugged in
> > externally, that works fine elsewhere.) No doubt I have things
> > misconfigured. Does anyone know where hardware manual might be found? It
> > might explain why there's a F/W connector, but then two other F/W-like
> > connectors (unmarked) on the left-hand side (looking from front).
>
> There are two SCSI controllers on the 735.  The F/W connector requires
> differential drives which may be why the machine doesn't see your drive.
> The single-ended controller connector is an HD-50.  On my 735, there is
> a short jumper from the CPU module to the module for the internal hard
> drive.  The two HD-50 connectors on the left (top) connect to each other
> and the internal hard drive.  They don't need to be used if you are using
> all external drives.
>

Sounds like I need to open my box and determine if internal hard drive was removed
or not. This also explains that very short HD-50 cable (not meant to reach
anything, really). I have a nice non-differential HD to throw in as internal if
there are none inside. Don't you love eBay auctions :-) ?

>
> --
> J. David Anglin                                  dave.anglin@nrc.ca
> National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)
>
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--
Bryan W. Headley                     Phone: 312/913-9158
Chief Technology Officer             Fax:   312/913-9155
Prisma & Company                     Email: bheadley@prismalink.com