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classics

Member Since 24 Jan 2002
OFFLINE Last Active Jan 9 2012 9:14 AM

Posts I've Made

In Topic: Atari 5200 Zero RAM DRAM Test (Find Bad RAM ICs)

Sun Oct 23, 2011 2:28 AM

You would need a 27256 eprom ( 32kbit x 8 ). I don't have any instructions for modifying ROM boards though. I know Albert used to sell a 5200 PCB that just needed the eprom soldered in and you were ready to go.

In Topic: I have a broken Atari 5200 :(

Thu Oct 20, 2011 11:05 PM

View PostMitch, on Thu Oct 20, 2011 12:16 PM, said:

View Postclassics, on Thu Oct 20, 2011 1:42 AM, said:

Do any of the 5200 diagnostic roms include an option to test the basic system functionality without RAM present?

I don't think so. They need to start up like a regular program to run the diag software.

Mitch

Ok, I threw together a RAM tester that will run with bad RAM chips installed (or even no ram chips at all).

I'll post it in a separate thread so people can find it more easily when they are searching for a program to test RAM.

Steve

In Topic: I have a broken Atari 5200 :(

Thu Oct 20, 2011 1:42 AM

Do any of the 5200 diagnostic roms include an option to test the basic system functionality without RAM present?

In Topic: possible Colecovision power supply replacement

Thu Oct 20, 2011 1:35 AM

Looks like the sort of supply you might find at a surplus electronics place on the right day. What's the new price like?

In Topic: Space Harrier Released

Thu Aug 4, 2011 10:40 AM

View Postsnicklin, on Tue Aug 2, 2011 3:13 PM, said:

[User Interface] Error loading file "sh.bin" for slot #1, Unable to identify file:

C:\Downloads\sh.bin

Not a known or supported image.

The .BIN image is a full cartridge image, already ready to use.

Attach the programmer and target cartridge, then go to the top menu Cartridge->Program->8mbit Flash Cartridge

When prompted, select the cartridge .BIN image from the posting above.

That should be all that's required. :-)

Steve