Re: Space Duel repair

Ah, thanks! :)

So my second question is... could a bad AVG chip cause the described
symptoms (unable to access AVG memory)?

Cheers,

Mendel

----- Original Message -----
From: "Alpha1" <lists@arcadeoll.com>
To: <vectorlist@vectorlist.org>
Sent: Thursday, January 26, 2006 9:26 PM
Subject: Re: VECTOR: 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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>
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Received on Thu Jan 26 15:44:37 2006