Ok, these are the numbers on the current PROM:

+B8620
DM74S287AN

This a ID77 board part # U402

Thanks,
Tim





--- In Repeater-Builder@yahoogroups.com, Ron Wright <[EMAIL PROTECTED]> 
wrote:
>
> Comm Spec sells a programmable CW ID for about $60.
> 
> However, what is the PROM...part number.  I might have a programmer 
for it.  Might even have the PROM.
> 
> 73, ron, n9ee/r
> 
> 
> 
> >From: skipp025 <[EMAIL PROTECTED]>
> >Date: 2007/08/24 Fri PM 12:53:33 CDT
> >To: Repeater-Builder@yahoogroups.com
> >Subject: [Repeater-Builder] Spectrum Repeater CW ID 'er Bipolar 
Prom
> 
> >                  
> >Spectrum Repeater CW ID'er Bipolar Prom 
> >
> >> If the IDer has a PROM then little can and should be done 
> >> to go another way...a new PROM.
> >
> >Spectrum sells a replacement prom from about $55, which is kind 
> >of out of line for a price... but at least it's available.
> >
> >You can find/ask someone with a bipolar prom burner to make a new 
> >chip for you. But you have to find the chip and figure out how 
> >to map your call sign into the new part. 
> >
> >One can also replace a Prom with an Eprom using a small adapter 
> >daughterboard, which is a path I've used many times. You need 
> >only have the eprom, programmer and set up the programming. 
> >
> >Prom daughter/adapter boards run under $20 each...  
> >
> >Another option would be to disable the factory ID'er and 
> >install an ID-O-Matic or similar ID unit.
> >
> >cheers, 
> >skipp 
> >
> >            
> 
> 
> Ron Wright, N9EE
> 727-376-6575
> MICRO COMPUTER CONCEPTS
> Owner 146.64 repeater Tampa Bay, FL
> No tone, all are welcome.
>


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