[Techtoolslist] Interesting stuff on eBay...

[bstnguy at gmail.com]

They are great for working in pinball machines or arcade games with multiple processors.

On Jun 12, 2013, at 9:22 PM, David Shoemaker <davids at oz.net> wrote:


> I never do component level work in the field other than Williams ram.  

> 

> -----Original Message-----

> From: "John Robertson" <jrr at flippers.com>

> Sent: ‎6/‎12/‎2013 4:46 PM

> To: "techtoolslist at flippers.com" <techtoolslist at flippers.com>

> Subject: Re: [Techtoolslist] Interesting stuff on eBay...

> 

> On 06/12/2013 4:25 PM, Alan McCormick wrote:

>> I have a Z80 Fluke 90 and someplace I have the manual. IIRC the manual 

>> seemed to infer that there were similar versions for other MPUs 

>> although I've never seen another 90 of any sort. It does have a 

>> built-in serial port which I used to do memory dumps of some protected 

>> games. Picked mine up for $20 at a hamfest years ago.

>> 

>> The auction comments about it needing a power supply are misleading. 

>> It leeches off the UUT but iirc there was an external PSU that could 

>> be used if the UUT couldn't handle the extra current.

>> 

>> Never opened mine up. Don't think my manual had schematics.

> 

> I never saw any schematics for this device, other than what I made up to 

> convert another one I had to Z80.

> 

> These can work well as long as the board designer followed the Z80 

> manufacturers specs and used pull-up resistors on Bus Request and a few 

> others.

> 

> There are at least four CPUs covered in the series, Z80, 8085, 6809 and 

> another...and it is interesting to watch the device in action, testing 

> RAM while the game is running in attract mode is quite amusing! However 

> I must confess these all sit on the shelf as giant dust bunnies as I use 

> the 9010 instead on the few game boards I still service.

> 

> However for field work they would be great, so (quick poll) how many of 

> us fix 8-bit CPU based devices in the field??

> 

> John :-#)#

>> ------------------------------------------------------------------------

>> *From:* John Robertson <jrr at flippers.com>

>> *To:* "techtoolslist at flippers.com" <techtoolslist at flippers.com>

>> *Sent:* Wednesday, June 12, 2013 2:53 PM

>> *Subject:* [Techtoolslist] Interesting stuff on eBay...

>> 

>> Fluke 90 series Z80 on-board tester (I have one so am not bidding):

>> 

>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=310687268151&ssPageName=ADME:B:SS:US:1123

>> 

>> Also a bunch of Kurz-Kash adapter cards (I already have all those so 

>> am not bidding on any):

>> 

>> http://www.ebay.com/sch/i.html?_odkw=Kasch&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=Kurz+Kasch&_sacat=0

>> 

>> 

>> John :-#)#

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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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