Jeff Walther wrote:

> At 14:22 -0600 01/09/2003, Robyn J. Lyons wrote:
>
> >While it is okay in a native G3/G4 machine, you DO NOT want to turn
> >speculative access on if you are using a g3 upgrade in a 601/3/4
> >machine. I forget what the reason is exactly but it has something to do
> >with the firmware not knowing how to handle spec acc. correctly and
> >causing errors and possibly crashing.
>
> It can also lead to data corruption on your hard drives.
>
> >Of an interesting note, OSX does
> >know how to handle spec acc correctly on our machines and should be
> >turned on if you are using OSX.
>
> Also, the Kansas machines (8600 Enhanced, 9600 Enhanced) have ROMs
> which handle speculative processing properly.  And the ROMs from
> those machines work fine in the S900 and J700.  However, getting them
> into the J700 and S900 requires some soldering as there's no ROM slot
> in those machines.  They wouldn't work (I assume) in the C series
> machines, though.
>
> Jeff Walther
>
> --
>

Hi all,

Thanks for all your info'. I'm now running with 'speculative access' off to
be on the safe side.

Just to note that the C500 is still running quicker now. It's definitely
faster on restart and opening programs.

Could this be down to the running of the Powerlogix software instead of the
Mactell software that came with the upgrade card?

If this is so, I definitely recommend the Powerlogix software.

regards, Ian B (UK)

C500, G3 P-Jolt320, 112mbRAM, OS8.6,  2GbHD, 2 x 9GbExtHD,
Zip250SCSI, Astra610S, StyleWriter2500, PACE56KModem

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