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HP Vectra VL 6/450 - How to Power it up ?

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First post, by Aui

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Hi everyone,

I recently picked up HP Vectra from the Dump. Apart from the HDD the Computer seems to be working fine, but has a broken power switch. This switch is a proprietary design and houses green / yellow LED's for power / hdd access respectively. Above these LED's sits a small plastic switch that has fallen apart and is beyond repair. The switch was a sophisticated design and metal as well as plastic parts are broken and have come off, so I dont think its possible to fix it(pictures attached). What to do? I had no luck finding a replacement switch (or entire I/O assamblage) to buy (there are similar ones for the desktop line, but they look different) but Im also not sure where to look. I also have no idea what model this switch is is exactly. Poking some metal into the remainder of the switch does turn the computer on, but Im not sure what exactly does it and it also often switches off randomly. Any idea would be appreciated - thanks already in advance.
Aui

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Reply 1 of 6, by nuno14272

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The power switch is a soft touch.. witch mens, it conects two wires (or two solder points) and thats starts the power supply.
see within the broken power switch wtich solder points it conncts and you can TEST the startup witha a metal clip, for example.
Then you can buy a reset button, square or rectangular, the one that fits better, glue it, connct the solder points in the back and adapt your system.

1| 386DX40
2| P200mmx, Voodoo 1
3| PIII-450, Voodoo 3 3000

Reply 2 of 6, by bogdanpaulb

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This should help you , the circuit is rudimentary . Just short point A to point B . 😀

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Reply 3 of 6, by pentiumspeed

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This is standard switch with 6 pin layout. Is it a push on, push off or momentary switch?

Like this:

https://www.ebay.ca/itm/191674369075?hash=ite … ABk9SR_TJm9LZYQ

Cheers,

Great Northern aka Canada.

Reply 4 of 6, by Aui

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Hi again - just have to say "Thank You"
I learned something about PCB layout, found the right switch, soldered it in - and it just works.
This PC is a beauty...

cheers

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Reply 6 of 6, by Aui

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Yes - I had not thought about the possibility that the switch in that assamblage is a standard piece which is easily available (if only in large numbers - the minimum I could buy was 20 - so I have 19 left now - just in case someone encounters a similar problem 😀 and could be replaced with no problems.

The computer also houses some incredible ISA cards - I have no idea what its purpose was, but it looks like it may have powered a space station or some prehistoric AI in the past...

Thanks again for the support !

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