ATX to AT power adapter converter review with -5V

In this video I am reviewing two ATX to AT power adapters. One is cheaper, but does not supply -5V, the other one is more expensive, but has a converter that adds -5V. Some sound cards, like the Roland LAPC-I, Sound Blaster 2 or Pro Audio Spectrum 16 require -5 V.

In the video I’m also showing you what these sound cards sound like if the -5V is missing.

Link to ATX to AT adapter: http://www.ebay.com.au/itm/ATX-to-AT-PSU-Converter-Adapter-Cable-With-Push-And-Lock-Switch-NEW-0306-/161716390713?pt=LH_DefaultDomain_3&hash=item25a70c4b39

and

http://www.ebay.com.au/itm/NEW-ATX-20-PIN-to-AT-P8-P9-CONVERTOR-WITH-A-DUMMY-LOAD-ON-OFF-SWITCH-/251312860753

Link to one ATX to AT adapter with -5V support:
http://www.ebay.com.au/itm/ATX-20-PIN-to-AT-P8-P9-CONVERTER-WITH-5V-ON-OFF-SWITCH-DUMMY-LOAD-USA-MADE-/251025150787

Link to four ATX to AT adapters with -5V support: http://www.ebay.com.au/itm/4-PCS-ATX-20-PIN-to-AT-P8-P9-CONVERTER-W-5V-ON-OFF-SW-DUMMY-LOAD-USA-MADE-/261635278711?pt=LH_DefaultDomain_0&hash=item3ceaad8777

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Comments

armorgeddon says:

Why are people actually afraid of using AT-PSUs? Because of their age or are they supposed to be of lower quality generally? In my 20+ years experience with PC hardware I never personally had an AT-PSU fail on me while I did with ATX-PSUs (powering ATX-hardware only).

Two_Heads_Talking says:

An ATX PSU needs a load, the first adapter doesnt need to dummy load because the PSU is off until you press the button, the 2nd the PSU is live all the time its putting out power to the ATX 20 connector pins at all times so it needs a load.

There are a lot of videos on here about it all, please dont try and do this on the cheap it will kill your PSU and might take some of your old hardware with it… Just for the sake of a few extra pounds.
If you cant afford to buy these wait until you can afford them they are the best way to do it guys

Tim Tong says:

I decided to build one myself, by using a $1.5 chip…

scroeffie says:

sometimes -5 is also needed for old ram /videocards hardrives etc can give errors because of the lack of -5

Tim Tong says:

Does a normal Sound Blaster 16 require -5V from the power supply?

blackblob500 says:

I have a se-i440bx-2 with some kind of ISA modem with a speaker in it. Can I use a corsair CX500 on it?

Retro PC User says:

I remember using that type of adapter for my old 486/Pentium MMX PC when my AT PSU died on me, and I had a spare 520W ATX PSU on me, and the adapter was the key for me (saved a trip and money getting a new AT PSU). My Pentium PC has both an ATX and AT connections, and still powers on with the ATX PSU connected to it since the board detects the type of PSU without manually setting jumpers.

SpaceMarineITA says:

how do you choose ur atx powersupply instead?
old motherboards are +5v heavy while newer ones are +12v heavy. is it safe to use a 12v one with older boards? its just about the maximum amperage on each line?

Richard Peter Thompson says:

Hi I have a broken packard Bell Pentium 1 power suply no longer working if i used a corsair 450 watt modular power supply with one of those adaptors would it fix the computer, thanks

pc_enthusiast eng says:

Good video Phil wanted to know how safely power these old boards cheers. Some old dell motherboards have ATX power connectors which are proprietary and don’t work with normal power supplies and the PSU blows up which I found out earlier this year!

Lvlaukwitz says:

If I use an older ATX PSU (one that provides -5v) I guess I can just use the cheaper adapter, right?? And it will still provide the proper -5v to the motherboard for ISA cards??

SpaceMarineITA says:

how do you choose ur atx powersupply instead?
old motherboards are +5v heavy while newer ones are +12v heavy. is it safe to use a 12v one with older boards? its just about the maximum amperage on each line?

SpaceMarineITA says:

how do you choose ur atx powersupply instead?
old motherboards are +5v heavy while newer ones are +12v heavy. is it safe to use a 12v one with older boards? its just about the maximum amperage on each line?

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