Re: Space Duel repair

Game will play blind with a dead AVG yes.

----- Original Message -----
From: "Mendel Pearl" <mypearl@dds.nl>
To: <vectorlist@vectorlist.org>
Sent: Thursday, January 26, 2006 7:34 PM
Subject: VECTOR: Space Duel repair

> Hello Group,
>
> Working om my Space Duel, I find the game running blind. In test mode, it
> beeps for an error on the AVG RAM and both ROMS. (low - low - high -
> high - continous low). I don't have a 6502 pod for my 9010 to make it a
> little more challenging.
> All address and data lines are alive, as well as the datalines, R/W, /VMEM
> and the chip select signals for these RAM / ROMS. The first AVG RAM 2114
> couple has been replaced as well. They all seem in order, but I cannot get
> the board through self test. I was thinking that the previously mentioned
> signals are all that is needed for the uP to be able to access the vector
> RAM. Am I right?
>
> I am also suspecting the AVG chip as the addres lines going to and coming
> from it are dead. Will the game play blind as mine does when the AVG chip
> is dead?
>
> I hope someone can help me out, I'm pretty stuck here... :(
>
> Cheers,
>
> Mendel
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Received on Thu Jan 26 15:30:14 2006