Atarimax Product Discussion Forums

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Author:  ChrisUnionNJ [ Wed Aug 10, 2011 12:07 pm ]
Post subject:  600XL

Hi Guys
I just got a 600XL and need to know what device to get
Also looking for a memory upgrade..
Ok will this work MyIDE+FLASH IDE Interface Cartridge for XL/XE Computers
and is there power on pin 20 after reading some of the post's and seeing
the the devices I had to ask i'm new to the Atari computer and it gets
a bit confusing..


Author:  mr-atari [ Thu Aug 11, 2011 1:04 am ]
Post subject:  Re: 600XL

Hi Chris,

You need a expanded (64k) 600XL for the Cartridge interface.
This is needed because the MyIDE-bios is loaded into the upper 16k RAM (of the needed 64K).
A 600XL only has 16K at the lower end of the address-range.

Development in a 600XL bios-support is too early to make it worth buying one without expanding your XL.

Pin 20 always have power, the early production didn't.


P.S. If you can solder, there is a easy upgrade internally to 64K.
You only need two 64Kx4 (4464 RAM-IC's) and 3 jumper-wires.

Author:  ChrisUnionNJ [ Thu Aug 11, 2011 11:33 am ]
Post subject:  Re: 600XL

Wow thanks for the help that was very informative I also saw a
ram upgrade you can plug in to the back would that work
as well for the memory upgrade?

Chris :)

Author:  mr-atari [ Fri Aug 12, 2011 2:18 am ]
Post subject:  Re: 600XL

Yes, the expension on the parrallelbus will do the trick too.
It disables the 16k onboard of the XL and uses the 64k in the module.


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