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Wierd Sio2Sd loading problem on 600xl


4 replies to this topic

#1 Asure OFFLINE  

Asure

    Combat Commando

  • 8 posts

Posted Sun May 6, 2012 2:49 PM

Recently sold my 800xl which was working perfectly with my sio2sd, and started using it on my 600xl, it has some wierd loading problems.

SD card is loaded with Pitfall 2 w/ trainer, Star Raiders 2, and the 'disk1.atr - disk4.atr' images which are 16mb and hold a load of games.

1. Normal ATR images (pitfall 2 w/ trainer) for example seem to load fine.
2. I can use the sio2sd.xex and select disks, but sometimes the atr images show up 4-5 times, if i press space to read again.
3. The sio2sd.xex menu is really unstable.. i need to select the atr quickly, and press X to run the disk. If i stay in the menu too long, it will freeze completely..
4. The multi-game disks produce 5-6 'white noise' bursts and go into 'boot error' no matter how i try to boot them. The selection menu does not load.
5. Sometimes, if i reset several times, the multigame disks load into the selection menu, but show no disk content :(

All worked fine on the 800xl but the 600xl seems to be having some data errors when reading from sio.. Are there any hardware mods needed on the 600 to get better loading?

#2 mimo OFFLINE  

mimo

    Preppie!

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Posted Sun May 6, 2012 2:59 PM

does the 600 have more than 16k ram?
just a thought

#3 Asure OFFLINE  

Asure

    Combat Commando

  • Topic Starter
  • 8 posts

Posted Sun May 10, 2015 10:24 AM

Bump. I never got to the bottom of this. It's a 64k modded 600xl.
it's done this always.. Even when I was a little kid I remember that it would only load a single game from tape when it booted cold in the morning.

The loading sound bluurp noise gets distorted after a while when loading tape. I guess the beeps also get screwy with the sd2sio but have no clue why. Any caps or resistors I can check?

#4 djmat56 OFFLINE  

djmat56

    Star Raider

  • 73 posts

Posted Mon May 11, 2015 1:40 AM

If you're having loading issues and sound becomes distorted then maybe you have a defective POKEY. Would be a quick and easy thing to try to at least rule that out



#5 TheMontezuma ONLINE  

TheMontezuma

    Chopper Commander

  • 142 posts
  • Location:Hildesheim, Germany

Posted Tue May 12, 2015 4:02 AM

Try to control SIO2SD with the keys K1-K5 only.

If it helps, the issue may be related to sio2sd.xex.

600XL has different OS than 800XL and somebody reported already problems with sio2sd.xex on Atari 800:

http://atariage.com/...0/#entry3219050


Edited by TheMontezuma, Tue May 12, 2015 4:17 AM.





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