What is a BC01-R

[Chris Zach]

No, it's a single width full height M series board from the early 
1970's. As mentioned it was probably from a DP11 or some other RS232 
sync serial device.

C


On 1/2/2022 12:44 PM, Noel Chiappa via cctalk wrote:
>      > From: Chris Zach
> 
>      > a M857 board with a RS232 cable on it and BC01R-25 on it.
> 
> Anyone know what an M857 is? I guess it might be a DF11 async answer mode? I
> found this:
> 
>    https://www.computerhistory.org/collections/catalog/102731577
> 
> but I think the number there is wrong; I'm not sure exactly which KL10 board
> is an 'MBOX Control 3' - it might be the M9537.
> 
> 
>      > From:Ethan Dicks
> 
>      > Sounds like it was a generic cable that probably worked with several
>      > devices.
> 
> Yeah, the BC01-R was used with an M957/M970 header card (not sure what the
> difference between them is) in the DF11:
> 
>    https://gunkies.org/wiki/DF11_Communications_Line_Adapter
> 
> Not sure where else.
> 
>      Noel