>Good points. I'd also add, for those interested in upgrading a Yosemite,
>that testing at www.barefeats.com showed that a good ATA/66 IDE controller
>card in either the Yikes or Yosemite made them faster than Sawtooths in
>sustained Writes (and often a LOT faster, as the Sawtooths had some "design
>flaw", though the problem may have been fixed thru firmware by now; anyone
>got any info on this?): e.g., the Yikes and Yosemite hit around 65MB/sec
>sustained read and 45MB/sec sustained write, while the Sawtooth suffered in
>the sustained write area (35MB/sec) - all figures refer to 2-drive Raid
>arrays. Moral: if you are going to upgrade your Yosemite, an IDE controller
>is a good idea, whether you have a Rev.1 logic board or not.
You're comparing RAID on the Yosemite to nonRAID on the Sawtooth.
Naturally there will be a difference in performance. FWIW ATA RAID
really bites. ATA Striping is fairly unreliable and somewhat
dangerous. Mirroring is okay, but its not really a whole lot faster
and you lose disk space. If you want good performance and RAID you
gotta go SCSI.
>I am thinking of selling my G4/400 Zif upgrade (Metabox) currently installed
>in my Yosemite Rev.1 - I got an offer for it and an XLR8 Carrier card from
>someone interested in upgrading his 8600; the money would cover the cost of
>OWC's Motorola G4/500 Zif. (N.B. and as I've been having problems with Open
>Firmware on the Yosemite, perhaps due to the Metabox card, I wouldn't mind
>selling it; and as the 8600 doesn't need a firmware patch, said problems
>should be avoided on the buyer's Powermac).
Get your logic board tested. I had issues with my open firmware and
it turns out its an error with the PCI bus timing. I had some
seriously bad instability problems as well, and couldnt run OSX or
Linux.
Peace
Aqua
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