RE: [WinMac] MACWEEK: G3 upgrade cards unstable?
John Hanks(jbh[at]bioserver.vsb.usu.edu)
Mon, 9 Nov 1998 11:32:47 -0700
We have installed several NewerTech cards in a mix of 7500s and 7100s and
have had very little trouble with them. One card arrived DOA and was
replaced by NewerTech within a week. Can't say anything about other models
though...
jbh
John Hanks
Computer Specialist
USU Dept. of Biology
Logan, Utah
> -----Original Message-----
> From: Dan Schwartz [mailto:expresso@snip.net]
> Sent: Monday, November 09, 1998 10:09 AM
> To: winmac@xerxes.frit.utexas.edu
> Subject: [WinMac] MACWEEK: G3 upgrade cards unstable?
> Importance: High
>
>
>
> Dear friends and colleagues:
>
> I just discovered this tidbit about G3 upgrade cards in
> MacWeek, at:
> <http://macweek.zdnet.com/1998/11/02/g3cards.html>.
>
> I used to recommend Sonnet's cards; and I do NOT
> recommend ANYTHING from
> Newer Tech since they don't honor their warranty. For those of you
> considering upgrading your 604 Mac, I advise standing by for
> the moment.
>
> In addition, here are two salient points to consider
> before upgrading to a
> G3:
>
> 1) The paragraphs about Adaptec jumped out at me: I
> have observed serious
> incompatibilities with Adaptec's "Power Domain" 2940U-series
> cards at two
> locations with PowerMac 8500/180's. The first instance left
> the machine
> unusable until MacOS 8.0 was released; and the second was a newer
> (firmware) version of the card that rendered it unusable even
> with MacOS 8.0.
>
> It's interesting to note that the "Power Domain 2940U
> series PCI cards are
> *NOT* interchangeable with Adaptec's AHA-2940U-series cards:
> Although they
> conform to PCI 2.01 and up, I was informed by an Adaptec engineer that
> there are 3 resistors that have different values for the
> Power Domain (Mac
> PCI) card;
>
> 2) Some of these issues with 604 -> G3 cards *MAY* be
> related to the
> firmware (Mac ROM version) in the PCI Mac, i.e. there *may*
> be differences
> between first, second, and third generation PCI Macs
> (8500/120, 8500/180,
> and 8600, respectively; and their corresponding 7500 and 9500
> generations).
>
> Be careful!
> Dan Schwartz
>
> ORIGINAL ARTICLE:
[snipped]
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