ROM UPGRADES

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STFM (2 ROM): What EEPROM chips are compatible?

Last post by rubber_jonnie « Fri Sep 25, 2020 3:46 pm
Replies: 13
by stephen_usher » Fri Sep 25, 2020 9:37 am
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13 Replies

143 Views

Last post by rubber_jonnie
Fri Sep 25, 2020 3:46 pm
Mega ST and exxos Decoder + dual tos problem

Last post by gwinter38 « Mon Sep 14, 2020 2:52 pm
Replies: 24
by gwinter38 » Sat Sep 12, 2020 11:41 am
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24 Replies

488 Views

Last post by gwinter38
Mon Sep 14, 2020 2:52 pm
Burning ROMs to Exxos dual TOS chip

Last post by marcofin « Fri Aug 21, 2020 11:14 pm
Replies: 4
by marcofin » Fri Aug 21, 2020 9:59 pm

4 Replies

237 Views

Last post by marcofin
Fri Aug 21, 2020 11:14 pm
STM C070243 Rev F Rom locations.

Last post by exxos « Thu Aug 13, 2020 2:11 pm
Replies: 2
by PhilC » Thu Aug 13, 2020 1:48 pm

2 Replies

140 Views

Last post by exxos
Thu Aug 13, 2020 2:11 pm
Setting Up a dual boot rom

Last post by troed « Thu Jul 23, 2020 6:25 pm
Replies: 58
by Glorfindeal » Sat May 09, 2020 2:25 pm
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58 Replies

3775 Views

Last post by troed
Thu Jul 23, 2020 6:25 pm
Video: Replace Atari STE ROMs with EEPROMs

Last post by troed « Sat Jul 18, 2020 12:36 am
Replies: 1
by BlankVector » Fri Jul 17, 2020 11:07 pm

1 Replies

176 Views

Last post by troed
Sat Jul 18, 2020 12:36 am
STE DUAL TOS 1.62 & TOS206

Last post by Dan1975 « Tue May 12, 2020 10:35 pm
Replies: 9
by exxos » Sat Sep 30, 2017 1:06 pm

9 Replies

4110 Views

Last post by Dan1975
Tue May 12, 2020 10:35 pm
TOS206 ST DECODER BOARD

Last post by exxos « Mon May 11, 2020 10:04 pm

by exxos » Mon May 11, 2020 10:04 pm

0 Replies

822 Views

Last post by exxos
Mon May 11, 2020 10:04 pm
Mega ST Tos 1.2/4 Kit

Last post by exxos « Sun May 10, 2020 12:28 am
Replies: 3
by Starfrog » Sat May 09, 2020 2:03 pm

3 Replies

347 Views

Last post by exxos
Sun May 10, 2020 12:28 am
Mega ST ROM swap - 2 chip to 6 chip.

Last post by rubber_jonnie « Sun Mar 01, 2020 4:41 pm

by rubber_jonnie » Sun Mar 01, 2020 4:41 pm

0 Replies

697 Views

Last post by rubber_jonnie
Sun Mar 01, 2020 4:41 pm
Blank 27C256 OTP ROMs for sale.

Last post by rubber_jonnie « Sat Jan 25, 2020 2:55 pm

by rubber_jonnie » Sat Jan 25, 2020 2:55 pm

0 Replies

666 Views

Last post by rubber_jonnie
Sat Jan 25, 2020 2:55 pm
STFM UBE DUALTOS 2019 with 1.02 -1.04 ROM white screen

Last post by ube « Sun Jan 19, 2020 5:38 pm
Replies: 6
by nudge » Tue Jan 14, 2020 8:50 am

6 Replies

936 Views

Last post by ube
Sun Jan 19, 2020 5:38 pm
STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Last post by rubber_jonnie « Wed Jan 01, 2020 11:40 pm
Replies: 24
by dandoore » Sun Dec 08, 2019 2:50 pm
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24 Replies

3226 Views

Last post by rubber_jonnie
Wed Jan 01, 2020 11:40 pm
Winbond eeprom

Last post by tzok « Thu Dec 26, 2019 11:06 am
Replies: 3
by Tomswork » Wed Dec 25, 2019 12:56 am

3 Replies

655 Views

Last post by tzok
Thu Dec 26, 2019 11:06 am
TOS 1.04 (UK) - 6 chip images

Last post by TimNaber « Tue Dec 17, 2019 3:49 pm
Replies: 4
by JezC » Tue Dec 17, 2019 12:57 pm

4 Replies

960 Views

Last post by TimNaber
Tue Dec 17, 2019 3:49 pm
2.06 tos doesnt' fit

Last post by utri007 « Sat Oct 05, 2019 7:57 pm
Replies: 11
by utri007 » Fri Oct 04, 2019 11:24 pm
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11 Replies

2253 Views

Last post by utri007
Sat Oct 05, 2019 7:57 pm
STe dual TOS upgrade - 1.62 works fine, 2.06 does not

Last post by derkom « Tue Sep 17, 2019 5:23 pm
Replies: 5
by derkom » Tue Sep 17, 2019 4:47 pm

5 Replies

1123 Views

Last post by derkom
Tue Sep 17, 2019 5:23 pm
Maximum 520STfm TOS version Etc

Last post by exxos « Sat Aug 17, 2019 9:49 am
Replies: 38
by AtariFox » Wed Aug 07, 2019 6:37 pm
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38 Replies

7034 Views

Last post by exxos
Sat Aug 17, 2019 9:49 am
520STFM - TOS upgrade confusion

Last post by rubber_jonnie « Sun Jul 14, 2019 2:14 pm
Replies: 8
by dhoggan » Sat Jul 13, 2019 1:39 pm

8 Replies

1860 Views

Last post by rubber_jonnie
Sun Jul 14, 2019 2:14 pm
STE TOS 1.06/1.62 to TOS 2.06 EPROM UPGRADE

Last post by PhilC « Sat Jun 22, 2019 7:03 pm
Replies: 3
by exxos » Mon Feb 05, 2018 10:24 pm

3 Replies

3689 Views

Last post by PhilC
Sat Jun 22, 2019 7:03 pm
MASK AND ROM PINOUTS EXPLAINED

Last post by tzok « Sat Jun 15, 2019 9:55 pm
Replies: 2
by exxos » Fri Feb 02, 2018 1:21 pm

2 Replies

2095 Views

Last post by tzok
Sat Jun 15, 2019 9:55 pm
Can I plug the 'STE DUAL TOS' upgrade kit into a pair of regular DIP-32 sockets

Last post by xav2075 « Sun Apr 07, 2019 7:27 pm
Replies: 8
by xav2075 » Fri Apr 05, 2019 5:33 pm

8 Replies

1516 Views

Last post by xav2075
Sun Apr 07, 2019 7:27 pm
Falcon 030 TOS404

Last post by exxos « Sat Feb 09, 2019 6:43 pm
Replies: 2
by exxos » Sat Sep 30, 2017 1:01 pm

2 Replies

1938 Views

Last post by exxos
Sat Feb 09, 2019 6:43 pm
Pak86/3 Tos Roms

Last post by Darklord « Sun Dec 30, 2018 6:13 am
Replies: 16
by PhilC » Fri Nov 16, 2018 8:58 pm
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16 Replies

4743 Views

Last post by Darklord
Sun Dec 30, 2018 6:13 am
TOS 104/102 STF/M C070789

Last post by exxos « Tue Dec 11, 2018 1:17 pm
Replies: 1
by exxos » Sat Sep 30, 2017 12:54 pm

1 Replies

1838 Views

Last post by exxos
Tue Dec 11, 2018 1:17 pm

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