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From: den@hpfinote.HP.COM (Don Novy)
Newsgroups: comp.sys.hp
Subject: Re: Upgrading HP9133D to 40 meg
Message-ID: <15480010@hpfinote.HP.COM>
Date: 1 Feb 90 22:20:44 GMT
References: <49188@sgi.sgi.com>
Organization: Hewlett Packard CICD
Lines: 17


  To upgrade a 9133D to a 9133L (40 Mbytes), you replace the disk mechanism
with a ST-4051 and change the jumpers. You do not need a ROM upgrade. For
rev B controller board, change the jumpers to EBCH. For rev C controller
board, change the jumpers to EBCD. The third jumper (C) flags whether the
internal floppy is present and may be different. The C setting flags that the
floppy IS present.

  I have done this on 2 9133Ds with good success. One of them died when my
scrap ST-4051 died, but that's the breaks. Spare ST-4051s are hard to find. If
you find any, please email me the specifics as I need to replace a dead one.

This information is provided solely for hackers. No liability or warranty from
HP is expressed or implied.

Don Novy
den@hpfitst2.hp.com