----- Original Message -----
From: "Pete Turnbull" <pete_at_dunnington.u-net.com>
To: <classiccmp_at_classiccmp.org>
Sent: Wednesday, May 08, 2002 04:38 PM
Subject: Re: IRIX on Personal Iris
> On May 8, 15:24, Robert F Schaefer wrote:
>
> > I'll spend a little more time looking into that. I believe the ealier
> PIs
> > take standard parity SIMMs, but I thought the 4D/35s take a differrent
> SIMM
> > from everything else. Be nice if I could bump them up to 8 MB.
>
> Yes, the early PI's take standard 30-pin SIMMs.
>
> To upgrade Indigo 4MB SIMMs, you need to find eight 514400 (or equivalent)
> 80ns DRAMs in 26/20-pin SOJ package, and eight SMD decoupling capacitors
> (sorry, don't remember the value but such caps are usually about
> 100-200nF). The capacitors are fitted in positions marked C3, C4, C8, C9,
> C12, C13, C17, C18 on the DRAM side, before the DRAMs (which cover them).
Sounds easy enough. Now all I need to do is find someone with an SMD rework
station. ^_^ This'd be a good time to see about upgrading my SPARCBook2 to
64MB too.
>
> I thought I remebered changing a resistor on the other side (ASIC side)
but
> I just compared a 4MB to an 8MB, and they have the same resistors, so I
> must have been thinking of something else.
PS/2 SIMMs?
>
> --
> Pete Peter Turnbull
Bob
Received on Wed May 08 2002 - 16:46:26 BST