[Techtoolslist] leland off road pal dump needed u85

Gary M. McTaggart gary.mctaggart at gmail.com
Tue Mar 17 10:10:48 EDT 2015


I'll forward to Aaron Giles and see if he has the correct stuff to dump these too. I could bring the chip to him. 

> On Mar 17, 2015, at 7:08 AM, Gary M. McTaggart <gary.mctaggart at gmail.com> wrote:
> 
> If you have your adapter, I can get a chip to you for the track pack Clay. I was in Portland yesterday. Wish I would had known then. :)
> 
> I can mail you the chip for the track pack. 
> 
> Otherwise I can use my rom burner to read it, but that may take longer for me to get to. 
> 
> 
> 
>> On Mar 17, 2015, at 12:32 AM, Clay Cowgill <c.cowgill at comcast.net> wrote:
>> 
>> I might still have the exact adapter.  I'll look for it Tuesday and report
>> back here... I can take a few pictures of it. (I might even have a Track
>> Pack boardset and could just read the PROM in here. I don't remember what's
>> our machine in storage. I'll look. If nothing else, if our PCB is the
>> original one just reading and duplicating that would serve as a proof of
>> concept.)
>> 
>> OE&CE can just be disconnected. Looking at the schematics all the outputs
>> are going to be push/pull (no tristate), so nothing 'special' required to
>> brute-force the dump.  (Also, two outputs are not even used.)
>> 
>> -Clay
>> 
>> -----Original Message-----
>> From: Techtoolslist [mailto:techtoolslist-bounces at flippers.com] On Behalf Of
>> tonyhtbsusa
>> Sent: Monday, March 16, 2015 6:17 PM
>> To: 'Technical Tools Mail List'
>> Subject: Re: [Techtoolslist] leland off road pal dump needed u85
>> 
>> Do you have a pinout of how you did it
>> Did you go from pin one to pin one
>> Did it matter what address line or data line went to what pin on eprom The
>> 2716 starts at address 7 on pin 1 And data lines are split From side to side
>> What did you do with /oe or /ce Thanks tony
>> 
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