Re: FW: Help! Asteroids! Please!!!!!!!

This is a place where the Fluke 9010A shines! It checks ram, rom and I/O at
system speed...mind you if you don't have one, then replace the Eproms, be
careful to get 350ns or faster. Some eproms seem to slow down on access
time as they get older, so if you start with faster ones it gives you a
margin for aging. The board self test should be able to identify the bad
Eprom, after all it is at system speed...leave the game in self test, and
press the RESET button every half hour or so. Oh, be sure to have the
monitor unplugged during tests, you will know when the game is OK when you
get normal game sounds after coining and "playing" the game, then plug the
monitor back in (with power off, of course) and see what shows up.

Happy New Year!

John :-#)#

At 05:36 AM 12/31/1999 -0500, you wrote:
>I'm inclined to agree with Rodger. Had an Asteroids Deluxe board that did
>the very same thing: gave a self-test with no errors, but couldn't boot
>in game mode. A fresh set of roms did the trick, now it works fine.
>
>P2
>>-----Original Message-----
>
From: Rodger Boots
>><<mailto:rlboots@cedar-rapids.net>rlboots@cedar-rapids.net>
>>To: <mailto:vectorlist@lists.cc.utexas.edu>vectorlist@lists.cc.utexas.edu
>><<mailto:vectorlist@lists.cc.utexas.edu>vectorlist@lists.cc.utexas.edu>
>>Date: Friday, December 31, 1999 4:32 AM
>>Subject: Re: FW: Help! Asteroids! Please!!!!!!!
>>
>>REPLACE THE ROM!! Just because the programmer says it's OK doesn't mean
>>it runs fast enough for the game to work with it.
>>
>>
>>

  John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
  Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
  http://www.flippers.com
         "Old pinballers never die, they just flip out."
Received on Fri Dec 31 10:21:01 1999