An original Compaq "portable"

From: Ethan Dicks <>
Date: Wed Jan 8 17:59:00 2003

--- "Fred Cisin (XenoSoft)" <> wrote:
> On Wed, 8 Jan 2003, Ethan Dicks wrote:
> > I have... 286 Portable II. I was recently attempting to use [it]
> > to drive my UP600A device programmer, but the PSU isn't strong enough
> > to power the CRT, the hard disk *and* a box of linear ICs.

> If that has one of the original hard disks, then a disproportionate
> amount of the power is goingto thehard disk. Replacing it with a more
> "modern" hard disk might free up enough power to dothe job.

It has a 20MB 3.5" ST506/ST412 drive with bolt-on adapter card that
lets it appear to be a native embedded IDE drive. The ISA controller
is an ordinary Compaq-badged WD IDE/floppy card.
> I found that using an ST-4096 was pushing the limits for Compaq portable
> power supplies.

No doubt! That one will put a noticable load on a DEC BA-23 chassis.

> Be aware that the internal CRT is EGA compatible!

Interesting. I had no idea.

> (Compaq video boards are recognizable by the extra dual row header in
> the middle of the board for connecting the internal monitor).

That I did know.


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Received on Wed Jan 08 2003 - 17:59:00 GMT

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