HP Integral PC Manuals

[Rik]

Correction one 36pin row on the underside of the pcb.
Was sleeping I think..

Rik

----- Original Message ----- 
From: "Rik" <dr.emiel at xs4all.nl>
To: "General Discussion: On-Topic and Off-Topic Posts" 
<cctalk at classiccmp.org>
Sent: Sunday, May 04, 2008 11:26 PM
Subject: Re: HP Integral PC Manuals


> 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
>>
>>
>
>
>