why cant I use external psu to operate my hp 6005 at 350 wat

August 1, 2017 at 18:20:00
Specs: Windows 10
I have a hp 6005 sff which I love especially the case so easy to access. I would like to make future upgrade and want to know why I can't install an external psu much like dell does with some of their
optimum computers any ideas or recommendations would be greatly appreciated

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August 1, 2017 at 20:16:09
You have an old PC with a proprietary BTX PSU. From what I was able to dig up, it also has a special "PS-STAT" connector to the motherboard. See the following:



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August 1, 2017 at 21:22:41
I'll have to do more research but I have the tools to test outputs and ops. I have a oscilloscope and other testing devices so I should be able to read voltage and amp draw and match it up to power supply. I will also open the original psu and see if there are any protection chips related to feed back from mobi. seems like a lot of work so I will wait awhile and see if someone has previously solved problem. I read the links you gave me and appreciate all info. if I solve the problem I will post the solution for someone else's use I wish to dedicate this computer to cnc and cad on linux and to operate my cnc controller board. hp's board is smaller than micro atx but I could remove psu and lower disk drive enclosure and install another micro
atx with amd updated chip and that would hook up to a standard psu either way it a lot of work. could really
use a simpler fix

message edited by datarat

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August 2, 2017 at 13:29:30
"could really use a simpler fix"

How about just leaving it as-is & using it for "whatever" & then buy or build a decent computer to use for "cnc and cad on linux"? Electronic expertise or not, you have 3 strikes against you - it's a SFF system, it's proprietary to HP, & it's based on the short lived BTX standard that was abandoned about 10 years ago.

The microtower versions uses the same crappy BTX setup but uses a different style PSU.


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August 2, 2017 at 14:33:06
You are probably right maybe use an itx board with 2.5 hardrive which would allow for corsai small footprint 400 watt psu don't need a lot of power but could use cpu with 4 or 6 to 6 cores for cad and cnc. I could probably use it as is but would like to add an additional monitor . Well more to think about

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