You will not be able to post if you are still using Microsoft email addresses such as Hotmail etc
See here for more information viewtopic.php?f=20&t=7296
BOOKMARK THIS PAGE !
https://www.exxosforum.co.uk:8085/IP_CHECK/
You can unban yourself if needed. It also sends me reports to investigate the ban.
DO NOT USE MOBILE / CGNAT DEVICES WHERE THE IP CHANGES CONSTANTLY!
At this time, it is unfortunately not possible to whitelist users when your IP changes constantly.
You may inadvertently get banned because a previous attack may have used the IP you are now on.
So I suggest people only use fixed IP address devices until I can think of a solution for this problem!

C103277- REV.2.2 (other)

MEGA ST motherboards.
User avatar
Marsupilami
Posts: 47
Joined: 03 Apr 2018 17:55

C103277- REV.2.2 (other)

Post by Marsupilami »

Found this one in a garage sale last week with a megafile30 for...50€ 8-)

6xTOS (v1.02) and a strange black cable between C100110 and MB.
Almost everything is socketed.
The RAM banks are DILL-DRAM (not SMTs like this one).
Now i need to upgrade RAM to 4Mb and TOS. But i'm sure Exxos will have good advices for me ;)
20190617_201531.jpg
20190613_215116.jpg
20190617_201749.jpg
20190617_212723.jpg
20190617_212756.jpg
20190617_212821.jpg
20190617_213614.jpg
You do not have the required permissions to view the files attached to this post.
https://www.atarinside.com : Atari 800XL in Europe France/Italy/Benelux/Deutschland/UK White&Silver plastic boxes : Dumps, Videos, Books, reference list / + / as usual high resolution pictures of the Atari 800 XL motherboards.
User avatar
exxos
Site Admin
Site Admin
Posts: 28224
Joined: 16 Aug 2017 23:19
Location: UK

Re: C103277- REV.2.2 (other)

Post by exxos »

:bravo:

Yeah various people do various hacks to upgrade the RAM.. The kit I sell which would work is this one. https://www.exxosforum.co.uk/atari/store2/#0035
User avatar
DoG
Posts: 1293
Joined: 07 Apr 2018 12:26

Re: C103277- REV.2.2 (other)

Post by DoG »

That black wire is from factory. Looks like mine, but I got two chip TOS version. U12 needs a chip (SN74LS) and move W2 and W3 to the middle-right position. And remove W4. Easier to get TOS 1.04 on 6 chips.
User avatar
PhilC
Moderator
Moderator
Posts: 7430
Joined: 23 Mar 2018 20:22

Re: C103277- REV.2.2 (other)

Post by PhilC »

Looks pretty clean to me, nice find.

The ram upgrade exxos mentioned is probably the easiest to fit as long as you can solder up the shifter adaptor.

There are other options but they aren't as straight forward. Such as dip to smt ram adaptors and robbing some smt chips from something like an 8mb 64pin sim but obviously much more complicated.
If it ain't broke, test it to Destruction.

Return to “MEGA ST”

Who is online

Users browsing this forum: CCBot and 14 guests