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- Newsgroups: comp.sys.sun.hardware
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!att!dptg!ulysses!allegra!princeton!siemens!aad
- From: aad@siemens.com (Anthony A. Datri)
- Subject: Re: Memory Problems
- Message-ID: <C1FFDK.6MJ@siemens.com>
- Sender: news@siemens.com (NeTnEwS)
- Nntp-Posting-Host: lovecraft.siemens.com
- Organization: Siemens Corporate Research, Princeton (Plainsboro), NJ
- References: <1993Jan22.194519.12265@galileo.cc.rochester.edu>
- Distribution: usa
- Date: Mon, 25 Jan 1993 20:24:56 GMT
- Lines: 23
-
-
- >We have a Sun3 that has given us the following memory error:
-
- What model?
-
- >Memory Error! Status D2 DVMA-Brt 1, context 0,
- > Vaddr: FFDE41C, Paddr: 0000041C Type 0 at 00000001
- ^^^^^^^^^^^^^^^
- This tells you where it is. On a 3/60, for example, this tells you that the
- problem is most likely in the first bank of four simms, since the address
- is < 0x100000. The last digit should specify the simm within the bank, but
- I've forgotten how those machines interleave.
-
- >fine if they have been cooled down, and we all know how
- >well SUN3s are ventilated!
-
- 3/50's and 60's are badly ventilated -- the screen over the fan clogs easily.
- Keep the cpu box on-edge so that the fan is unobstructed, and keep the screen
- squeaky clean. I've seen a number of spurious memory and cpu problems that
- were caused by clogged fans.
- --
-
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