Re: Fluke 9100a X2444 question

From: John Robertson <jrr_at_flippers.com>
Date: Tue Apr 26 2005 - 00:37:32 EDT

<x-flowed>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
>>
>
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-- 
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"
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</x-flowed>
Received on Mon Apr 25 21:37:54 2005

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