imsai 2

From: Richard Erlacher <>
Date: Wed Aug 18 21:24:54 1999

I've had plenty of PSU's fail, but the price is not as good an indicator of
the probability as you might believe. I've got two machines of about the
same age and content, yet one has had three PSU's over the 10 years it's
been in use, while the other has the one it had when I got it. I realize
that's unusual, but it can happen.

The unfortunate fact, Tony, is that here in the U.S, because people are
accustomed to paying <$25 for a case with power supply (250 Watts is the
rating) including shipping, it's hard to get vendors to stock replacement
fans of any sort, let alone good and quiet ones.

-----Original Message-----
From: Tony Duell <>
To: Discussion re-collecting of classic computers
Date: Wednesday, August 18, 1999 2:51 PM
Subject: Re: imsai 2

>> Well . . . let's see . . . fan = $40 in q1, power supply including fan =
>In the UK, a decent (==ball bearings. Papst, Etri, somebody like that)
>fan is under \pounds 20.00 in 1-off. PC PSUs are a little more, so it is
>often worth replacing the fan.
>> in q1. . . cabinet, including power supply and fan = $22 in q1 . . . not
>Yes, but that's a PSU with a cheap fan that will fail in a few months.
>When it does, doesn't it make sense to buy a better fan and replace just
>the fan (which will then last many years) than put in another PSU that will
>fail in another couple of months?
Received on Wed Aug 18 1999 - 21:24:54 BST

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