Sparc5 bits wanted

Witchy witchy at
Fri Apr 1 14:47:25 CST 2005

> Service manual* is dated August 1994. Downloading it from the web would be
> a good start.

I found it after posting the original message :) Normally I look for stuff
first but I just happened to be sitting here reading CC mail and saw the
machine sitting there on the floor...

> has some differences that can cause problems with some versions of BSD or
> Linux
> (not that I've had any such problem)

The odd thing with this one is the CPU speed selector jumpers, according
to the legend on the board mine is jumpered at 125mhz whereas the part
number points to it being a 70mhz plain old model.

> but I think it needs EDO or even FP RAM rather than SDRAM.
> Doesn't need floppy, CD or HD to get into console monitor.


> have a display board - if all 3 SBUS slots are empty then you cannot use
> the
> keyboard and screen).

There's a framebuffer in there with a huge LSI chip on it.

> cheapest way to get one is to get a complete SS5 or SS20
> for a fiver - or less - on eBay :-( ).

I saw that this afternoon and it made me wonder if it was worth pursuing
getting it running! Average price was about 15 quid (uk pounds) or less
for a complete machine.

> The thin SCSI CD drives are harder to come by - usually easier to use an
> external one - likely to need one that will work with 512 byte sectors ...
> for some OSes this will be vital.

I saw a picture of the CD and it's the same Toshiba model that DEC used as
the RRD43 (I think....RRD4x anyway). The only difference I can see is the
DEC model has an extra filling plate at the front to make it fit 5 1/4"

> you use the default installation procedure that will take all day; the
> alternative one is _much_ quicker.

Cool. I was thinking of playing with solaris 'cos it's the one computing
platform I always came up against at work in the past and never got a
chance to really look at it.


Binary Dinosaurs creator/curator - the UKs biggest home computer collection?

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