HP Integral PC Manuals
dr.emiel at xs4all.nl
Sun May 4 16:26:42 CDT 2008
The V1.0 ROM's have 2 single row connectors on the longside of the print one
up one under.
Checked today, and the floppymotor keeps on running...
Pictures are made and on it's way to you.
----- Original Message -----
From: "Tony Duell" <ard at p850ug1.demon.co.uk>
To: <cctalk at classiccmp.org>
Sent: Sunday, May 04, 2008 10:16 PM
Subject: Re: HP Integral PC Manuals
>> I'll make some pictures one of the next days, and mail them to you.
>> How big is your mailbox ;-)
> No, please don't sent them here. I am on a slow dial-up connection, and I
> have a text-only display anyway...
> If you want to send me pictures, please send them to
> tony_duell at yahoo.co.uk
> I have quite a bit of space there.
>> But as I recall, there are two rows of connectors.
> My V5.0 modules have a 2-row connector mounted vertically at each end
> (narrow side) of the PCB.
>> I'm not sure but ypu 'll see when I made the pictures.
>> I've another Integral on its way (seapost) from downunder, bought it
>> it has the basic rom and serialcard.
> Nice. I bought a second Integral earlier in the year to get a serial
> board... It camew with a couple of HPIB drives, including a version of
> the 9123 I'd never seen before (using the half-helght 34 pin drives, like
> the one in a 9114B), etc.
> I've been looking at my Itegral today, and noticed something rather odd.
> After booting, it turns on the floppy drive motor and keeps it running.
> At first I thought it was a hardware problem with the drive, but a quick
> check showed that the MotorOn line on the disk interface connector was
> being asserted. My ohter Integral (also V5.0 ROMs) does the same thing,
> so I'd be suprised if it was a hardware fault in both machines
> There's a litte switch on the disk drive PCB at the front edge (not the
> drive select switch at the back near the interface connector). As
> supplied it was in position 'A', which means the motor runs all the time
> if MotorOn is asserted. Flipping it to 'B' means the motor onl;y runs if
> there's a disk in (and MotorOn is asserted). It seesm to work correctly
> when set like that, but it's not how HP supplied it.
> Other Integral owners : Do you floppy drives run all the time? How is
> that swithc set?. What version ROMs do you have?
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