Timout errors

Phil Ronzone phil at Apple.COM
Tue May 16 03:48:45 AEST 1989


In article <9178 at polya.Stanford.EDU> shaff at Sesame.Stanford.EDU (Mike Shaff) writes:
>I am currently using the following setup:
>Mac II w/ 8Mb.
>A/UX 1.0
>Internal 80 Mb. Quatum
>External 80 Mb. Apple
>
>More often then is desirable I get SCSI Timeout errors on the external (Apple)
>drive.  Is this considered normal on an A/UX system running 1.0?  If it is 
>associated with 1.0 has it been corrected for 1.1?  Does anyone know a method
>for atleast decreasing the freq. of this annoying event?
>
>On a side question why does A/UX tell me that I have about half of my physical
>memory available?
>-- 

Since you mention Quantum specifically as the internal drive, older Quantum
drives (up to drive ROM level F) do have bugs/discrepancies that can cause
this kind of problem. If that is the case, only a ROM upgrade to the drive
will fix it. (Only Quantum can do that)

Physical memory - is it telling you have half LEFT, or only half to start with?
Many full ethernet/tcp/ip/NFS configuartions along with lots of NBUFs (see
kconfig(1)) will eat up 3-4MB.
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