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From: Maurice Hilarius (mauriceharddata.com)
Date: Sat Sep 22 2001 - 10:06:21 CDT
With regards to your message at 05:58 PM 9/21/01, M. Osten. Where you stated:
> > >Question: Anybody seen this? Can this be the result of the power supply
> > >being too weak? Do I really need a 400+ Watt power supply for a UP2000 ?
> > >
> > >Thanks // Tom
> > 300W is too small. Minimum of a GOOD 430W supply is needed, you also
> > make sure you get one that provide the extra 3.3 and 5V connections to the
> > 6 pin connector next to the SlotB modules. With dual CPUs 500W is
>Does this also apply to a UP1100? I'm seeing the same symtoms.
UP1100 can get by with a good quality 300W, but stress on the word "good"
350W or 400W is more advisable.
Things to consider:
Motherboard, CPU, RAM, needs at least 250W
PCI cards - add 5 to 15W each
AGP card - add 10 to 20W
Each hard disk add 12W-15W for write, and 25W-30W for startup power
A lot of people have problems with power not because the power is too
"weak" in current output, but because voltage regulation in some is poor.
For fun, hook up a multimeter to a drive connector on your system, set for
DC volts to measure the 5V and 12V lines, and run the system.
If it drops the 12V line (yellow) below 12.05 and/or the 5V line (red)
below 4.95, you most likely have problems.
With our best regards,
Maurice W. Hilarius Telephone: 01-780-456-9771
Hard Data Ltd. FAX: 01-780-456-9772
11060 - 166 Avenue mailto:mauriceharddata.com
Edmonton, AB, Canada http://www.harddata.com/
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