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Get ERROR- 10 msg and not READY at boot.


McQuirko
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This is my first post.

 

I have a problem with my Atari xegs. When it start, the BASIC´s screen does not reads "READY" I get an "ERROR- 10".

I can not use ATARI BASIC.

I did the tests and there was no error. Everything is normal and can run the games from the cartridges.

Is it the hardware? I'm not need change the os the chip? I wanted to load games from an XC-12, but apparently I have to use it from BASIC.

Has anyone passed this to you?

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Might be a bad Rom. I don't think the Memory Test does the Basic or Missile Command components.

Maybe powerup and see if the game works - use the Select key when turning on.

 

Problem is, if the Basic portion is bad, the XEGS uses a single Rom for everything and would need to be replaced.

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Might be a bad Rom. I don't think the Memory Test does the Basic or Missile Command components.

Maybe powerup and see if the game works - use the Select key when turning on.

 

Problem is, if the Basic portion is bad, the XEGS uses a single Rom for everything and would need to be replaced.

The Missile command works , but unpleyable. the rigth part of the screen is in the left and vice versa lol. A deficient power suply can be the problem?

 

note: the cartdriges works perfectly

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Do you have a Sio2xx device? If it can boot DOS you could load basic from 'disk'

 

And indeed, try what Mr. Atari writes.

No, is a very Vanilla XEGS. then, i need to get a nother rom chip? is not another option without the missile command, and diferent os? just, wondering...

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Hmmm, this is a strange issue.

 

Basic 8k, Missile Command 8k and the OS 16k are in one 32k rom-chip.

So why does the OS seem to work OK and both 8k cartridges not...

 

If an external Missile Command cartridge / Basic works fine, you can eliminate RAM-problems.

But do you have these carts to check this?

 

I would guess there could also be an issue with the MMU, controlling ROM/RAM-areas.

And if not, it's indeed the 32k ROM that has gone bezerk in one region, so yeah, check soldering what Rybags suggest.

Else replace the ROM, an EPROM with the same content will do fine too.

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I think maybe check the soldering on the Rom first. It's like half the chip is OK and the other isn't.

 

The A14 pin is what you'd need to verify. That's pin 27 of the Rom.

The combined Rom is IC C101687 near the cartridge port. Pin 27 is the second pin on the top row (near the notched end)

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I think maybe check the soldering on the Rom first. It's like half the chip is OK and the other isn't.

 

The A14 pin is what you'd need to verify. That's pin 27 of the Rom.

The combined Rom is IC C101687 near the cartridge port. Pin 27 is the second pin on the top row (near the notched end)

The board are Clean, Pure and tidy as Maiden´s Heart! No trace of nothing, of an exception on L41 to L34 who look like a messed glue (more browner) and a bit in a R13 potenciometer (Is a video stuff RIGTH?) .

the RAM chips are brigth and clean. All looks to be in good shape at the sight.

 

Will to clean up with alcohol to check if is just dirtyness... So, My Board have a 74LS74 holes with soldering but wihtout chip. Any clue on this?

 

this is the XEGS with CI00417 REV. A

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Some XEGS don't have this chip. Not sure what it's used for.

 

The next option I see is to get a dump of your OS Rom. But to do that you'd need the means to get downloaded programs to run on your machine.

Do you have SIO2PC/APE, SIO2SD or similar?

Edited by Rybags
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Some XEGS don't have this chip. Not sure what it's used for.

 

The next option I see is to get a dump of your OS Rom. But to do that you'd need the means to get downloaded programs to run on your machine.

Do you have SIO2PC/APE, SIO2SD or similar?

my very good state xc12 has just arrived this afeternoon! But ineed to change (or mount agoain, i dont know really?? the cord of the motor. I dont know how many days will take me to make it work. Any special software to to the dump of the OS Rom?

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There's the problem - with working Basic it could be done using a few lines of programming. Cartridge Basic of no help either as it lives in the address space that we need to look at.

 

With a nonworking Basic, the only easy option is via bootable tape, disk, emulated disk.

Edited by Rybags
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There's the problem - with working Basic it could be done using a few lines of programming. Cartridge Basic of no help either as it lives in the address space that we need to look at.

 

With a nonworking Basic, the only easy option is via bootable tape, disk, emulated disk.

My XC12 is online, my XEGS online, and tv online. all systems nominal. Now, which program would to find to the te analizis?

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Hmmm, this is a strange issue.

 

Basic 8k, Missile Command 8k and the OS 16k are in one 32k rom-chip.

So why does the OS seem to work OK and both 8k cartridges not...

 

If an external Missile Command cartridge / Basic works fine, you can eliminate RAM-problems.

 

That´s not really sure. As the threadstarter wrote, Missilie Command also has issues. Maybe only a few bits below $0400 are defect - this wouldn´t detected by OS ram check routine. And Atari BASIC uses a lot of pointers in the zeropage. This was my first thought when reading the "ERROR 10" and missing READY prompt thing.

 

IMHO changing the both DRAMs are the 1st thing I would try.

 

Jurgen

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