Neat! Is the rsx code or source code for the rtc anywhere? It's less necessary 
now that we have ntp from the tcp stack (thank you bqt) but it would still be 
cool

On May 4, 2025 2:08:35 AM EDT, Jerry Weiss via cctalk <cctalk@classiccmp.org> 
wrote:
>My note in the  DEC VCF forum might give you some more background.
>
>https://forum.vcfed.org/index.php?threads/real-time-clock-card-gtsc306a-adding-calender.71542/
>https://bitsavers.trailing-edge.com/pdf/gtsc/979-0021-306_GTSC306_Sep88.pdf
>
>The DEC KWV-11 is designed to support analog and digital acquisition
>boards. See EK-ADV11-OP-002 ADV11-A, KWV11-A, AAV11-A, DRV11 User's
>Manual.pdf.
>
>On Sat, May 3, 2025 at 9:18 PM Ethan Dicks via cctalk <cctalk@classiccmp.org>
>wrote:
>
>> On Sat, May 3, 2025 at 12:08 PM Christopher Zach via cctalk
>> <cctalk@classiccmp.org> wrote:
>> > Interesting. I have one does it emulate a kw11? Can it keep the date and
>> time between reboots?
>>
>> I think it's a KWV11 plus an RTC.  That MicroPDP-11/53 came with
>> MicroRSX-11 and there was a program for reading the RTC. It complains
>> when I boot it up and the board is missing.
>>
>> It shouldn't be impossible to figure out how it all works and write a
>> program for RT-11 or possibly 2BSD to read the time.
>>
>> Oh... there are product variants for how much of the board is
>> populated.  I think mine is "RTC only".
>>
>> -ethan
>>
>
>
>-- 
>j...@ieee.org

Reply via email to