[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: SYSTEM MONITOR BOARD



Thanks John,

I will study the schematic and see about that...

:)

Douglas


On Sep 17, 2011, at 6:00 PM, John Monahan wrote:

> Any of those below Douglas. It's a crude timer to slice time between
> different users on Concurrent CMP86 etc.  For a decent clock to time stamp
> disks (CPM3/MSDOS etc) you really need a proper clock as on the PIC/RTC
> board or a timer as on the PC motherboard.
> 
> John
> 
> -----Original Message-----
> From: Douglas Goodall [mailto:douglas...@mac.com] 
> Sent: Saturday, September 17, 2011 4:57 PM
> To: John Monahan
> Subject: SYSTEM MONITOR BOARD
> 
> On the system monitor board, there is a cap C57 which his simply marked as
> "trimmer" on the schematic. Since there is no parts list for this board, I
> need to ask what you had in mind for this part.
> 
> Please which of these would suit the purpose the best?
> 
> 3 - 10pF
> 
> 4,2 to 20pF
> 
> 6.2 to 30pF
> 
> 9.8 to 50pF
> 
> Thanks
> 
> Douglas
> 
>