PROJECTS: E3 Hardware: Sun SparcStation 20
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Sun SparcStation 10->20: Utu
``Utu'' was a Sun SparcStation 10 that became a SparcStation 20. It has 128MiB of RAM, dual ROSS HyperSparc 125s, and an 18GiB IBM SCA SCSI drive running NetBSD 2.0. Along with a SunSwift card and a 7-bay DEC JBOD (with 718GB drives), it acts as an NFS fileserver.
The SparcStation 10 case doesn't normally use SCA SCSI (it uses 50-pin SCSI), and so I had to use an adapter on the drive. The adapter made the drive too "long" ... the case would no longer close properly. That causes heat problems, vaguely fixed by the little fans set next to the hard drive that I added. I eventually swapped the case for a SparcStation 20 one that originally belonged to Ares, which has native SCA. The mbus and sbus modules moved over easily.
I took some pictures of the box back when it was a SparcStation 10 and had
the dual HyperSparc 90s instead of the 125s:
As well as the color Sun monitor that I use for all my Sun gear:
There are more pictures and hardware details on a SS20 at this hobbyists site.
