🚀 go-pugleaf

The Bakers <mba...@monmouth.com> wrote:

>This has been a great discussion so far!  Brings back lots of memories [no pun
>intended :]

>Dan Yertzell wrote:

>> The first line of the COBOL printouts
>> is:
>>
>> START OF CHECKOUT USING ABAVPA ON 74128 AT 0800 HOURS

>Here the next question:

>Did the H-200 have a built-in clock/calendar hardware (I don't *think* it did, at
>least the one I used) ?  Then where did the date & time come from on the header
>shown above from the COBOL compile ?

>Did you have to input the current date and time somehow, perhaps on the console
>call card ?

>Inquiring minds want to know.....
>M. Baker
>mba...@monmouth.com
It was an Optional peripheral called the Time of Day Clock, three
square feet of transistor logic.  Otherwise the operator entered the
date/time at boot time, or not if he was lazy. 
I only ever saw one (I was a H200 field engineer from 1970) . This one
developed an intermittent fault, but only at around midnight or later,
for about five minutes. It took me three goes to fix it, and it was
always refered to as the Time of Night Clock ever afterwards!

Bob Moffitt            			  	Recycle: Once is never enough
b...@skirrid.demon.co.uk(no-spam-please)		Remove braces to reply.         
http://www.skirrid.demon.co.uk/