HP Integral PC Manuals

[Rik]

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.

Rik

----- 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 
>> because
>> 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?
>
> -tony
>
>