Re: Fluke 9100a X2444 question

Now you know which hex bytes you're looking for for the serial numbers,
can't you change the serial id in the ram files to match those in your
eeprom rather than trying to change the serial number of your eeprom to
match John's?

Just a thought, maybe a dumb one :)

Martin.

On Tue, April 26, 2005 7:33, AL SACCO_comcast said:
> put 490002 into calculator in dec..convert to hex 4a c4 a2 ..first three
> bytes in reverse....
> put 4775000 into calc 48 dc 58 ..first three bytes in reverse....
>
> now to change serial # externally w/o removing chip.....
>
> Al
>
> ----- Original Message -----
> From: "John Robertson" <jrr@flippers.com>
> To: "Technical Tools Mail List" <techtoolslist@flippers.com>
> Sent: Tuesday, April 26, 2005 12:37 AM
> Subject: Re: [Techtoolslist] Fluke 9100a X2444 question
>
>
>> Well, checking my archives I see there is some documentation by me...
>> -------------(start old message 2002)...........................
>>
>> I have had the recent opportunity to dig inside a couple of 9100's
>> lately
>> (I bought a few NOS ones) and I kept one to go along with my old 9100.
>> Now
>> the problem with these suckers is the software is keyed to a serial
>> number
>> embedded in the EEPROM that is tucked away on the main PCB. It just so
>> happens that this part (an Xicor X2444 - 32 bytes) is readable by my
>> Xeltek Superpro programmer so I unsoldered the one in my old base and
>> read
>> it, and then tried it again in the original base. Still works. So then I
>> decided to unsolder one from my keeper NOS 9100 and read it tonight.
>>
>> So what I have is two 32 byte data streams, the first one (old base) is
>> serial number 4900002 (unknown Site Code) is:
>> A2 C4 4A 00 42 03 FF FB 01 00 0A 00 03 50 08 40
>> 00 00 00 00 00 03 00 00 FE 02 00 00 00 00 BF BE
>>
>> And serial number (NOS) 4775000 "Site Code 1" is:
>> 58 DC 48 00 42 00 FC 00 FC 00 00 00 03 50 08 20
>> 00 00 00 00 00 00 00 00 FE 02 01 00 00 00 23 0F
>>
>> The first 9100 has the following options:
>> 4 megs of RAM installed
>> Sony floppy
>> Programmers option w/video card
>> Version 4.X software?
>>
>> The NOS 9100 has
>> 2 megs of RAM
>> ? Floppy
>> Version 4.1 software
>>
>> I'll dig out more from these using the utility disc this weekend.
>> I think the "40" on the first row last byte is the RAM size, this makes
>> sense as the second 9100's is only "20" (2 megs), I suspect the first
>> three bytes are the serial number...maybe...
>>
>> I accidentally copied the Utilities disc to the old base and it has
>> taken
>> over the drive from the original operating system. If anyone has 9100
>> discs they can be archived and stored via TELEDISK (old DOS or W95/DOS)
>> program...I'd like a copy for trying to figure this protection out for
>> archiving.
>> -----------------(end of 2002 message)--------------------------------
>> John :-#)#
>>
>> At 8:44 PM -0700 4/25/05, John Robertson wrote:
>>>Those (undocumented) RAM dumps were from various 9100's X2444 serial RAM
>>>devices that I took in an effort to try and figure out how the serial
>>>number was encoded. I lost interest due to other more pressing
>>>matters..and in fact haven't touched my 9100's in over two years now (I
>>>think). Sigh.
>>>
>>>John :-#(#
>>>
>>>At 5:54 PM -0400 4/25/05, AL SACCO_comcast wrote:
>>>>found 5 X2444-xxxxxxxxx.ram files on flippers/ttl site............
>>>>couldn't locate any info on how to install or extract info from 9100a
>>>>for these ram files .......
>>>>when I try to run service disk in unit it comes up wrong service id
>>>>#.........
>>>>I think these ram files are the key to making unit work.........
>>>>any help would be appreciated.........
>>>>
>>>>thanks Chris Logan for answering my previous postings.....
>>>>
>>>>Al
>>>>
>>>
>>>_______________________________________________
>>>Techtoolslist mailing list
>>>Techtoolslist@flippers.com
>>>http://seven.pairlist.net/mailman/listinfo/techtoolslist
>>
>>
>> --
>> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
>> Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
>> www.flippers.com
>> "Old pinballers never die, they just flip out"
>> _______________________________________________
>> Techtoolslist mailing list
>> Techtoolslist@flippers.com
>> http://seven.pairlist.net/mailman/listinfo/techtoolslist
>>
>
>
> _______________________________________________
> Techtoolslist mailing list
> Techtoolslist@flippers.com
> http://seven.pairlist.net/mailman/listinfo/techtoolslist
>

_______________________________________________
Techtoolslist mailing list
Techtoolslist@flippers.com
http://seven.pairlist.net/mailman/listinfo/techtoolslist
Received on Tue Apr 26 09:05:03 2005