Changing wire-wrap configurations on DEC circuit boards

Randy Dawson rdawson16 at
Mon Feb 13 21:33:21 CST 2017

You can use the solderless board prototype board jumpers, sold at Frys and elsewhere.  They come in male and female, I assume (not being a dec guy) that these are standard square wire wrap posts...

From: cctech <cctech-bounces at> on behalf of william degnan <billdegnan at>
Sent: Monday, February 13, 2017 3:59 PM
To: General Discussion: On-Topic Posts
Subject: Re: Changing wire-wrap configurations on DEC circuit boards

On Mon, Feb 13, 2017 at 6:45 PM, Earl Evans <earl at> wrote:

> Hi there,
> I've got a couple of DEC QBUS boards (including a quad SLU) for which
> configuration is set by wire-wrap jumpers. I don't have a wire-wrap tool,
> and have found that trying this by hand without one is not workable.
> Has anyone come up with a clever way to permit reconfiguration of these
> boards without semi-permanent changes? Or, alternatively, what wire-wrap
> tool would you recommend?
> Thanks!
> - Earl

alligator clips?

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