Upgrade or replace the ROM.
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TOS 2.06 Mega STe
Replies: 2
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...
- 2 Replies
- 35 Views
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Last post by exxos
Sun Aug 19, 2018 9:25 pm
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- 3 Replies
- 122 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
by
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
- 720 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
by
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
- 113 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
by
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
- 316 Views
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Last post by graz
Mon May 07, 2018 5:22 pm
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- 1 Replies
- 138 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
by
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
- 293 Views
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Last post by rubber_jonnie
Thu Apr 26, 2018 3:05 pm
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- 1 Replies
- 559 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: 2
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...
- 2 Replies
- 303 Views
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Last post by Petari
Tue Feb 06, 2018 7:28 am
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STF 6 CHIP ROM LOCATIONS
by
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...
- 0 Replies
- 249 Views
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Last post by exxos
Mon Feb 05, 2018 10:28 pm
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MASK AND ROM PINOUTS EXPLAINED
Replies: 1
by
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
- 309 Views
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Last post by krupkaj
Fri Feb 02, 2018 3:53 pm
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28pin to 32pin EPROM conversion
Replies: 2
by
exxos » Fri Feb 02, 2018 2:12 pm
Information taken from the archives on my website to expect bad pictures :twisted:
SOCKET METHOD
I am going to upgrade the TOS to RAINBOW TOS...
- 2 Replies
- 349 Views
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Last post by exxos
Fri Feb 02, 2018 2:16 pm
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TOS 104NL 6 chip
Replies: 1
by
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
- 351 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
by
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
- 646 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
by
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
- 324 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
- 689 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
- 586 Views
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Last post by exxos
Sun Oct 01, 2017 12:44 am
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- 0 Replies
- 321 Views
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Last post by exxos
Sat Sep 30, 2017 1:09 pm
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Falcon 030 TOS404
by
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
- 373 Views
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Last post by exxos
Sat Sep 30, 2017 1:01 pm
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TOS 104/102 STF/M C070789
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...
- 0 Replies
- 401 Views
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Last post by exxos
Sat Sep 30, 2017 12:54 pm
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