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Bernkastel
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HP Vectra 486/33VL PSU

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Vectra 486/33VL
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Hello,

can anyone of You support me with legit power connector scheme for Vectra 486/33VL since it's not a regular p8p9 connector and I don't want to burn my new retro puppy. 

Thanks for any help

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DGroves
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I have no idea what you mean by P8/P9 connector

 

are you asking for the motherboard main 20 pin ATX  and 4 pin CPU pinouts?

 

is your system a HP vectra VL4xx series?

 

http://h10032.www1.hp.com/ctg/Manual/lpv06970  (page 67 for pinouts)

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Bernkastel
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By P8/P9 I mean standard power plug for 486 class PC's. My Vectra from 1995 does not have P8/P9 nor modern 20 or 24 pin ATX plug. That plug is 13 pin one (with one pin locked by plastic cup).

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DGroves
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not to be rude, but you have to be more accurate/specific when asking for help your first post mentions connectors you now say you don't even have......so why even mention them???

 

next what is THE ACTUAL MODEL NUMBER of your system? read/post this information, it's found on the back or on the side or top cover it should look like this:  HP D3025A

 

if possible post a CLEAR picture of the motherboard and of the power connector

 

is your power connector a single row of pins?

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Bernkastel
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I'd give system number if only I had oneIMG_20210211_133849.jpg

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DGroves
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yep,....thought so single row 13 pin been years since i've seen one of these see  link there were two different color codes used so simply match your color to the listed voltage

 

you  also have a 6 pin power header on the board (J2)

 

https://pinouts.ru/Power/hp_vectravl5_power_pinout.shtml

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Bernkastel
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Thanks, that J2 connector was connected to frontpanel LED's and On/OFF button

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