Atari ST / STF / STFM TOS v1.04 SYSTEM upgrade as a 6x chip set. This was the latest official version of TOS released by Atari.
For the ATARI ST, STF, STFM and MEGA ST models only. This kit is not compatible with the Atari STE / MEGA STE / FALCON / TT models (please see our other listings for compatible kits).
Please let us know which language from the list above you’d like us to supply using the eBay messaging system.
If you have the original 6x 28-pin EPROMs in your Atari ST installed then you can simply swap out with these EPROMS ensuring you match the chip positions. If you have the original 2x 28-pin EPROMS, then you will need to modify the motherboard.
Hardware upgrade fitted at the buyer’s risk – any questions, please ask before purchase and before fitting.
About Jays Retro Computers
Established in 1993, we have over 28 years of experience in the Atari ST, Commodore Amiga and retro computing arena, including refurbishing, servicing, software restoration, data/file transfer, and upgrades.
We started on the Atari ST in 1993 with our own Public Domain library called Tronic P.D.L. that later became Prophecy P.D.L., running for over 10 years.
We continue to help and support the Atari ST community and their users with pride and confidence.
Please get in touch if you’re looking for anything not currently listed.
Postage and Packing
All software and hardware is re-tested and inspected prior to dispatch ensuring you receive the item in good working order.
Items are sent in a sturdy box with plenty of bubble wrap or a recyclable jiffy bag where appropriate.
We always combine shipping costs where we can, so if this isn’t calculated through eBay, please contact us before committing to buy.
If you live in Northern Ireland, The Republic of Ireland, Isle Of Man or The Channel Islands postage costs could be higher than stated so please get in touch for a postage quote before committing to buy.
Messaging and Feedback
Please contact us before leaving negative or neutral feedback. This will not resolve the problem for you, or us.
We are normally able to respond to questions through the eBay Messaging system the same day.
We always provide a high level of pre-sales and post-sales support and assistance, always striving for perfection!
Thank you for looking at our auction. If you have any questions, please don’t hesitate to get in touch.