imsai 2

From: Richard Erlacher <edick_at_idcomm.com>
Date: Tue Aug 17 23:53:43 1999

-----Original Message-----
From: jpero_at_cgocable.net <jpero_at_cgocable.net>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Date: Tuesday, August 17, 1999 9:20 PM
Subject: Re: imsai 2


>> Date: Tue, 17 Aug 1999 20:54:21 -0600
>> Reply-to: classiccmp_at_u.washington.edu
>> From: "Richard Erlacher" <edick_at_idcomm.com>
>> To: "Discussion re-collecting of classic computers"
<classiccmp_at_u.washington.edu>
>> Subject: Re: imsai 2
>> X-To: <classiccmp_at_u.washington.edu>
>>
>Ship!
>
>> WHile I've only had about half a dozen motherboards die over the years,
I've
>> got a 55-gal drumful of dead power supplies, on most of which the fan is
>> what failed. In many cases, the fan fails and then the supply gets hot
and
>> dies.
>
>Snip!
>
>The typical peecee PSU that you usually see in consumer stuff is not
>that good. More like it's rated 180W max load constaniuous or so
>for a typical 200W PSU.


>If one have a Astec, SPI any decent quality make with ball bearing
>fan, count on it that it will keep working and working and fewer
>problems, mystery rebootings etc.
>
So what does one of these PSU's with a fan that lasts cost?
>
>We also have seen one or two blow out most of guts in peecee by a bad
>quality PSU made by Evermax model. And few ATX PSUs in row that it
>acted like reset button that resets machine by simply push on that
>bottom pan where circuit board is. Those PSUs were only few months
>old. (!!) This one I think was also by Enermax or one other I
>forgot. Most of old out of warrenty PSUs were caught early with
>gummed or worn out fans and we simply replaced it with sunon ball
>bearing fan type. And on other items we solved this problems by only
>selling ONE BRAND, Aceropen for cases and cdrom drives. Seems that
>two items Acer shines well.
>
>That 55 gal drum of that PSUs, I bet all were sleeve bearing fans and
>low quality overall. Also capacitors all dried up in some, blown
>switchers, diode network. Blown out main transformer is thankfully
>rare.
>
>
Well . . . let's see . . . fan = $40 in q1, power supply including fan = $33
in q1. . . cabinet, including power supply and fan = $22 in q1 . . . not
hard to figure out which they were . . . and they're marked 230 or 250
watts, BTW.
>

>Wizard
Received on Tue Aug 17 1999 - 23:53:43 BST