PSUs for older systems (Pentium/K6 era)

[Turbonium]

Are modern-day PSUs compatible with older systems/motherboards?

 

[HOOfan 1]

Most really aren't Some add on cards needed -5V, while most modern PSUs don't have -5V. Also more power on modern PSUs on 12V, while older ATX were on 3.3V and 5V, although you can find some older supplies now that do have more power on the 3.3V adn 5V rails

Also I think some of the original Pentiums were AT instead of ATX

In which case you would need something like this

http://www.atxpowersupplies.co...er-supply-SPI-240G.php

 

[Turbonium]

So I guess I'm stuck with generic PSUs then?

 

[HOOfan 1]

the one I linked is Sparkle/FSP not generic, but I can't attest to the quality

 

[dualsmp]

Newegg has a handful of AT power supplies also. Not a huge selection though.
http://www.newegg.com/Product/...1%201131317198&name=AT

 

[Turbonium]

Originally posted by: dualsmp
Newegg has a handful of AT power supplies also. Not a huge selection though.
http://www.newegg.com/Product/...1%201131317198&name=AT

It's this for me, but thanks.

Not sure I would require an AT PSU though if I am acquiring a mobo specified as being ATX or uATX, such as this one. Would appreciate some clarification.

 

[HOOfan 1]

No, if you are using an ATX motherboard, then something like this would do

http://www.newegg.com/Product/...x?Item=N82E16817103915 It even has the white/-5V wire.

 

[heymrdj]

Originally posted by: Turbonium

Originally posted by: dualsmp
Newegg has a handful of AT power supplies also. Not a huge selection though.
http://www.newegg.com/Product/...1%201131317198&name=AT

It's this for me, but thanks.

Not sure I would require an AT PSU though if I am acquiring a mobo specified as being ATX or uATX, such as this one. Would appreciate some clarification.

A simple ATX power supply with a -5v line will more than cover you. You may or may not need a -5v line on a board of that age.