Re: Interesting stuff on eBay...

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@oz.net> wrote:

> I never do component level work in the field other than Williams ram.
>
> -----Original Message-----
> From: "John Robertson" <jrr@flippers.com>
> Sent: ‎6/‎12/‎2013 4:46 PM
> To: "techtoolslist@flippers.com" <techtoolslist@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@flippers.com>
>> *To:* "techtoolslist@flippers.com" <techtoolslist@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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Received on Wed Jun 12 21:27:57 2013