RE: RAM Tester UPDATE !!!!

Keep an eye out for the Bug Trap Dynamic Ram
tester then, it will check those from around 250
ns to 80ns. I use it regularly...

John :-#)#

>I'd certainly like to see 4116 and 4164 at needd Williams game speed being
>able to be tested.
>
>Joe
>
>> -----Original Message-----
>> From: owner-techtoolslist@flippers.com
>> [mailto:owner-techtoolslist@flippers.com]On Behalf Of John Robertson
>> Sent: Thursday, April 01, 2004 02:56 PM
>> To: techtoolslist
>> Subject: Re: RAM Tester UPDATE !!!!
>>
>>
>> How is the project going?
>>
>> Speed of testing seems to be the biggest issue as
>> many RAMs will work fine under slow testing but
>> when run at their rated speed they then fail.
>>
>> I've been thinking about this RAM tester for the
>> past number of years and was wondering which RAM
>> people would like to be able to test.
>>
>> For example, my needs are to be able to test
>> 2114, and 5101 ram as I have dynamic testers for
>> the others and a couple of static ram testers for
>> later RAM.
>>
>> Soooo I'm thinking more in line of a simple free
>> standing circuit board that one can plug these
>> into and with an adjustable calibrated speed
>> control, much like the StarTek Dynamic Ram tester
>> from the early 90's. The schematic for this is on
>> the web site...
>>
>> One other project involves making a socket that I
>> can drop into one of my old dynamic RAM testers
>> (Bug Trap's late 70's unit) and see if I can fool
>> it into testing the 4-bit static RAMs.
>>
>> John :-#)#
>>
>> At 9:35 AM -0300 2/12/04, pc2jamma wrote:
>> >Gentleman !
>> >
>> >
>> >I'm facing a problem building the software that
>> >makes the pattern test. I only have Windows XP
>> >machines, and the way that this OS works on
>> >Parallel port is pretty different than the
>> >Windows 9x version. (Thanks to Microsoft !!!)
>> >
>> >On the Christmas holidays, my wife forced me to
>> >paint my house... Ohhh yes... you see right...
>> >And as I'm very busy on my job, I just have
>> >holidays to work on my hobbies.
>> >
>> >Is Carnaval in Brazil next week, and I'll try to
>> >make this software during theses days - Yes
>> >man... I'll trade the Carnaval by build one test
>> >Pattern Software for you guys ;)
>> >
>> >ANY HELP AND COMMENTS IS APPRECIATED !!!
>> >
>> >I'll keep you guys up to speed.
>> >
>> >
>> >Take care,
>> >
>> >José Luiz Martins
>> >
>> >
>> >If you ever want to (un)subscribe yourself with TTL, you can
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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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-- 
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"
If you ever want to (un)subscribe yourself with TTL, you can send mail to:
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with the following command in the body of your email message:
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