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Upgrade or replace the ROM.
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TOS 104/102 STF/M C070789
Replies: 1
by
exxos » Sat Sep 30, 2017 12:54 pm
Adapter pcb to plug into most STFM C070789 machines.
It is possible to fit the board into the ROM sockets, but the extra height may not allow the...
- 1 Replies
- 737 Views
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Last post by exxos
Tue Dec 11, 2018 1:17 pm
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STF 6 CHIP ROM LOCATIONS
Replies: 4
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exxos » Mon Feb 05, 2018 10:28 pm
Just a quick post to document the locations of the ROM's under the PSU.. I find it confusing what ROM goes where, so here's where they all go!
Some...
- 4 Replies
- 888 Views
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Last post by tzok
Thu Nov 29, 2018 9:31 am
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Strange TOS 1.4 intro screen
Replies: 2
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sandord » Sun Oct 28, 2018 9:55 pm
I got a Exxos TOS 1.2/1.4 board yesterday. I installed it and when selecting TOS 1.4, I see the following intro screen which looks unfamiliar to me....
- 2 Replies
- 250 Views
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Last post by sandord
Sun Oct 28, 2018 10:11 pm
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Availability of 0042 ROM’s
Replies: 2
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Axnfell » Mon Sep 10, 2018 1:32 pm
Hi Chris,
Had a little spare cash so ordered a few things off your site, one of the items I need is still out of stock, I.e. the 0042 English...
- 2 Replies
- 319 Views
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Last post by Axnfell
Mon Sep 10, 2018 1:45 pm
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TOS 2.06 Mega STe
Replies: 12
by
Fletch » Sun Aug 19, 2018 8:33 pm
I received a TOS 2.06 upgrade kit for my Mega STe from Chris this week and am not having luck getting the machine to boot with the new ROMs...
- 12 Replies
- 1000 Views
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Last post by exxos
Sun Sep 09, 2018 10:40 am
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Anyone saw this TOS-IDE card ?
Replies: 1
by
Petari » Mon Aug 27, 2018 12:50 pm
Site about:
(in German)
This is made by my basic design:
In circuit flashable ERPROM, with TOS switch . There is SW for programming AMD brand Flash...
- 1 Replies
- 314 Views
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Last post by tuxie
Mon Aug 27, 2018 3:00 pm
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- 3 Replies
- 380 Views
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Last post by exxos
Sat Aug 11, 2018 11:57 pm
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STE DUAL TOS 1.62 & TOS206
Replies: 6
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exxos » Sat Sep 30, 2017 1:06 pm
TOS 1.62 / 2.06 is selectable by a jumper on the board, or can be fitted with a toggle switch if required. This board can also be used as a Fast TOS...
- 6 Replies
- 1289 Views
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Last post by rubber_jonnie
Fri Jul 27, 2018 1:53 pm
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STe QUAD TOS install
Replies: 2
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winner61 » Tue Jul 10, 2018 11:38 am
I did a Quad TOS Install on my STe with this 'www.tehkella.net/retro/?p=257' guide. Bought myself a cheap eeprom programmer TL866A and eeproms from...
- 2 Replies
- 356 Views
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Last post by winner61
Tue Jul 10, 2018 12:45 pm
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Strange TOS 1.04 Issue
Replies: 6
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graz » Mon May 07, 2018 4:08 pm
I have been trying to upgrade my 520ST from TOS 1.02 to 1.04. It had six NEC D27256D EPROMs in it containing the old TOS and were working fine. I...
- 6 Replies
- 729 Views
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Last post by graz
Mon May 07, 2018 5:22 pm
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- 1 Replies
- 320 Views
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Last post by troed
Mon May 07, 2018 10:01 am
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Fixing broken pins on a ROM chip
Replies: 5
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rubber_jonnie » Wed Apr 25, 2018 10:43 pm
Since this just happened to me, and also someone else on the Facebook Pages, I thought I'd do a quick fix guide for if you've broken a pin off your...
- 5 Replies
- 687 Views
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Last post by rubber_jonnie
Thu Apr 26, 2018 3:05 pm
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STE Dual TOS switcher widget
Replies: 19
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rubber_jonnie » Thu Jan 18, 2018 11:55 pm
I'm very lucky to have got my hands on one of these:
IMG_20180118_223024.jpg
It's basically a tiny device from Urban Jonsson, that lets you use a...
- 19 Replies
- 3006 Views
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Last post by tzok
Sun Mar 11, 2018 9:18 pm
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- 1 Replies
- 986 Views
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Last post by stephen_usher
Tue Feb 06, 2018 6:30 pm
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STFM C070789 6 CHIP TO 2 CHIP CONVERSION
Replies: 1
by
exxos » Mon Feb 05, 2018 10:35 pm
On later motherboards where the TOS ROM's are in a row as shown on the images below, these motherboards can be converted to 2 chip TOS. Generally 6...
- 1 Replies
- 608 Views
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Last post by troed
Mon Feb 05, 2018 10:46 pm
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MASK AND ROM PINOUTS EXPLAINED
Replies: 1
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exxos » Fri Feb 02, 2018 1:21 pm
There seems to be constant confusion over what chips can be used for EPROMs in various STs. This is actually confused myself for a while, basically...
- 1 Replies
- 526 Views
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Last post by krupkaj
Fri Feb 02, 2018 3:53 pm
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TOS 104NL 6 chip
Replies: 1
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guus.assmann » Mon Dec 18, 2017 8:37 pm
Hello,
Maybe not the best place, so move if needed.
Today I've found a version of Tos 1.04 that I didn't know about.
It's a Dutch version....
- 1 Replies
- 661 Views
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Last post by exxos
Mon Dec 18, 2017 8:39 pm
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Tos 2.06 mod, startup delay begone.
Replies: 5
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guus.assmann » Sun Dec 10, 2017 3:20 pm
Hello,
Once uppon a time, I saw some notes on how to get rid of the startup delay in Tos 2.06.
I mean the delay that's needed for a HD to spinn up....
- 5 Replies
- 1072 Views
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Last post by guus.assmann
Tue Dec 12, 2017 5:51 pm
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So what is wrong with this idea?
Replies: 1
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Bikerbob » Tue Nov 21, 2017 4:20 pm
Found this on
So if you have the programmer, and I think I can do this with my Willem. You can have 4 x 512mb roms.
Any comments?
James
- 1 Replies
- 617 Views
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Last post by exxos
Tue Nov 21, 2017 6:06 pm
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[pics] 1.62/2.06 switcher build
Replies: 2
by
spiny » Sun Oct 22, 2017 12:54 pm
Hi All,
some new pics on building up the STe switcher, just to show how easy it is, in case anyone is putting off ordering one due to soldering...
- 2 Replies
- 1056 Views
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Last post by francouai
Sun Oct 22, 2017 4:58 pm
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TOS104 / TOS102 MEGA ST
Replies: 2
by
exxos » Sat Sep 30, 2017 12:59 pm
Adapter pcb to plug into most MEGA ST machines which gives a jumper selectable TOS 102 & Rainbow TOS 104. This kit can be used as a stand alone TOS...
- 2 Replies
- 925 Views
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Last post by exxos
Sun Oct 01, 2017 12:44 am
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- 0 Replies
- 523 Views
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Last post by exxos
Sat Sep 30, 2017 1:09 pm
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Falcon 030 TOS404
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exxos » Sat Sep 30, 2017 1:01 pm
Latest and best TOS4.04 FAST ROM (not cheaper/slower eprom type) . Either a update or as a replacement for Atari Falcon 030 / C-LAB machines. These...
- 0 Replies
- 590 Views
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Last post by exxos
Sat Sep 30, 2017 1:01 pm
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