[clug] Any ideas on what to look for to get an old PC running?

[Sam Couter]

jhock <jhock at iinet.net.au> wrote:
> I then found my old analogue multi-meter and started looking at the
> volts coming from the power supply.  The fuse in the power supply looks
> fine.  It has zero resistance with the multi-meter.

Analogue multimeters aren't real good at very low resistances, but what
you've said later indicates it doesn't really matter.

>       |orange|red|white|yellow|blue|purple|black |green |grey |
>       |+3.3v |+5v|-5v  |+12v  |-12v|+5v SB|com   |PS-on |P.G. |
>       |      |   |     |      |    |      |return|remote|PW-OK|
> orange|      |-  |-    |-     |-   |5v    |-     |1v    |-    |
> red   |-     |   |-    |-     |-   |5v    |-     |1v    |-    |
> white |-     |-  |-    |-     |-   |5v    |-     |4v    |-    |
> yellow|-     |-  |-    |      |-   |5v    |-     |1v    |-    |
> blue  |-     |-  |-    |-     |    |5v    |-     |1.5v  |-    |
> purple|5v    |5v |5v   |5v    |5v  |      |5v    |-     |5v   |
> black |-     |-  |-    |-     |-   |5v    |      |1v    |1v   |
> green |1v    |1v |4v   |1v    |1.5v|-     |1v    |      |1.5  |
> grey  |-     |-  |-    |-     |-   |5v    |1v    |1.5v  |     |

Black is ground, zero volts. The other voltages are relative to black.
Or at least, they're supposed to be.

I think your power supply is cactus.

> Thanks to all for your suggestions.  I really felt like I had some good
> leads to work on.

*groan*
-- 
Sam Couter         |  mailto:sam at couter.id.au
OpenPGP fingerprint:  A46B 9BB5 3148 7BEA 1F05  5BD5 8530 03AE DE89 C75C
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