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- Newsgroups: comp.sys.acorn.tech
- Subject: Re: adfsbuffers
- Message-ID: <1992Dec22.123319.1@kosmos.wcc.govt.nz>
- From: banks_p@kosmos.wcc.govt.nz
- Date: 22 Dec 92 12:33:19 NZST
- References: <1992Dec18.113330@informatik.uni-kl.de> <1h2up3INNncc@lily.csv.warwick.ac.uk>
- Organization: Welligton City Council, Public Access.
- NNTP-Posting-Host: kosmos.wcc.govt.nz
- Lines: 23
-
- In article <1h2up3INNncc@lily.csv.warwick.ac.uk>, csudp@csv.warwick.ac.uk (Mr R E Broadley) writes:
- > I have an A5000 with R3.0. I was told to set my adfsbuffers to 0K due to a bug
- > in the OS, but this caused floppy disk read/write to be much too slow. What
- > should I have my adfsbuffers set to?
- >
- > Also, writing to a PC format disk is very slow. Might have have something
- > incorrectly configured which is causing this?
-
- Yes the slowness is due to ADFSBuffers not being configured. However if
- your machine has a hard drive (and I have yet to hear of an A5000 without one)
- *DO NOT* configure ADFSBuffers on! There is a bug in the RO3.00 implementation
- of ADFSBuffers that causes hard drive access' to deliver random Address
- Exceptions, errors and occasionally corrupt freespace maps.
-
- Because the errors are random you will have a hard time tracking it down
- if you aren't aware of this problem.
-
- What this means is that you will have to live with slow floppy access' till
- you upgrade to RO3.1 which has that problem cured. (Mind you it has a nice
- new one just for fun. Thankfully it is only a real problem when low 8- buffers
- are configured.)
-
- Philip
-
