STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Upgrade or replace the ROM.
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exxos
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by exxos »

https://www.exxosforum.co.uk/atari/last/tos/#UBESTE

What may not be apparent is the board goes to the left in the sockets..

Like this plus the jumpers should be the same..

https://www.exxosforum.co.uk/atari/last/tos/#STE206

Also wipe pins with IPA . if all is correct otherwise then you may have to fit new ROM sockets.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by dandoore »

exxos wrote: Sun Dec 08, 2019 4:16 pm What may not be apparent is the board goes to the left in the sockets..

Like this plus the jumpers should be the same..
Yup, this is how I've done it.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by dandoore »

exxos wrote: Sun Dec 08, 2019 4:16 pm Also wipe pins with IPA . if all is correct otherwise then you may have to fit new ROM sockets.
I did that before I started: I cleaned the sockets, and the new chip, and the new chip socket , plus I checked the continuity of the pins on the top of the ROM board when attached to underneath the PCB and they all check out.
Atari 1040^W4160 STe, 800XL (Ultimate 1Mb/SIDE2), 2600, Amiga 1200 Tower (Apollo1260/66Mhz), A1200, CD32, 3 x A500, 2 x A500+ (TF534), Archimedes A310, 16 x Speccies, 2 x BBC Micro, 2 x Sam Coupé, QL, ZX81, Osborne Executive, TI-994/A, Videopac G7000, PS1, PS2 Fat&Slim, Megadrive, NES (RGB), SNES, N64 (RGB), GC, GBC, OG Xbox, Xbox 360, Wii etc. etc. and anything else that has pixels like Lego bricks.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by exxos »

Well your welcome to send the ROM board back for a retest but problems like this tend to need diagnosing on your ste. I only know @Steve doing such services currently.
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by rubber_jonnie »

dandoore wrote: Sun Dec 08, 2019 4:16 pm Yup, Pin 1 arrow in socket matches to Pin 1 dimple on top, as does the chamfered corner :)

Incidentally, if this was one of my chips and given the behaviour of the machine with the switcher chip in matches that of having no chips in at all I'd normally be looking to see if I'd actually programmed the bugger in the first place but my MiniPro doesn't list the AT27C4096 PLCC version as a supported chip so I won't be able to read it and check it.
I was going to ask if you had a programmer. I have a TL866 II Plus, and whilst it doesn't support the PLCC chip directly, I have a PLCC to 40 pin adapter, and it works if you select the 40 pin DIP 27C4096 from the list. I've happily read and programmed these PLCC devices in that way.

There is a 'but' though. My PLCC to 40 pin DIP adapter was incorrectly wired, so I had to fix that before it would work. May be worth a try.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by dandoore »

rubber_jonnie wrote: Sun Dec 08, 2019 4:54 pm There is a 'but' though. My PLCC to 40 pin DIP adapter was incorrectly wired, so I had to fix that before it would work. May be worth a try.
Cheers, I’ll check that out and give it a bash.
Atari 1040^W4160 STe, 800XL (Ultimate 1Mb/SIDE2), 2600, Amiga 1200 Tower (Apollo1260/66Mhz), A1200, CD32, 3 x A500, 2 x A500+ (TF534), Archimedes A310, 16 x Speccies, 2 x BBC Micro, 2 x Sam Coupé, QL, ZX81, Osborne Executive, TI-994/A, Videopac G7000, PS1, PS2 Fat&Slim, Megadrive, NES (RGB), SNES, N64 (RGB), GC, GBC, OG Xbox, Xbox 360, Wii etc. etc. and anything else that has pixels like Lego bricks.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by dandoore »

rubber_jonnie wrote: Sun Dec 08, 2019 4:54 pm I was going to ask if you had a programmer. I have a TL866 II Plus, and whilst it doesn't support the PLCC chip directly, I have a PLCC to 40 pin adapter, and it works if you select the 40 pin DIP 27C4096 from the list. I've happily read and programmed these PLCC devices in that way.

There is a 'but' though. My PLCC to 40 pin DIP adapter was incorrectly wired, so I had to fix that before it would work. May be worth a try.
Aha! http://www.atari-forum.com/viewtopic.ph ... 24#p357377

"It appears that on my PLCC44-DIP40 adapter pins are perfect match except... NC and GND which are simply switched/reversed... So I dd a simple "patch" (simply bridging pins 12/13 and 33/34" [on the PLCC socket]
Atari 1040^W4160 STe, 800XL (Ultimate 1Mb/SIDE2), 2600, Amiga 1200 Tower (Apollo1260/66Mhz), A1200, CD32, 3 x A500, 2 x A500+ (TF534), Archimedes A310, 16 x Speccies, 2 x BBC Micro, 2 x Sam Coupé, QL, ZX81, Osborne Executive, TI-994/A, Videopac G7000, PS1, PS2 Fat&Slim, Megadrive, NES (RGB), SNES, N64 (RGB), GC, GBC, OG Xbox, Xbox 360, Wii etc. etc. and anything else that has pixels like Lego bricks.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by dandoore »

Ok, I have managed to get data off the chip:

Name: tos1.62-2.06.BIN
Size: 524288 bytes (512 KiB)
CRC32: E16BAF36
tos1.62-2.06.BIN.zip
(236.49 KiB) Downloaded 199 times
If this is good then I'll swap the sockets out for some nice turned pin ones, typically I don't have any 32 pin ones here so I'll get them in and fitted and see if that helps as suggested :)
Atari 1040^W4160 STe, 800XL (Ultimate 1Mb/SIDE2), 2600, Amiga 1200 Tower (Apollo1260/66Mhz), A1200, CD32, 3 x A500, 2 x A500+ (TF534), Archimedes A310, 16 x Speccies, 2 x BBC Micro, 2 x Sam Coupé, QL, ZX81, Osborne Executive, TI-994/A, Videopac G7000, PS1, PS2 Fat&Slim, Megadrive, NES (RGB), SNES, N64 (RGB), GC, GBC, OG Xbox, Xbox 360, Wii etc. etc. and anything else that has pixels like Lego bricks.
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by exxos »

Looking at the headers it has TOS206 & 162 in there.
https://www.exxosforum.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxosforum.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
Just because a lot of people agree on something, doesn't make it a fact. ~exxos ~
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Re: STE DUALTOS UBE 1.62 & 206 - Not Booting, white screen

Post by dandoore »

Just a thought whilst I'm waiting for some sockets, on the store there are two types of dual TOS, one 'Fits STE Dual TOS board' and one 'only suitable when used with the V2.3 booster'

The one I ordered was 'TOS162 / TOS206 ROM ENGLISH [0143]' but the chip I have says 'FAST TOS 1.62/2.06 32Mhz ROM' - is that correct?
Atari 1040^W4160 STe, 800XL (Ultimate 1Mb/SIDE2), 2600, Amiga 1200 Tower (Apollo1260/66Mhz), A1200, CD32, 3 x A500, 2 x A500+ (TF534), Archimedes A310, 16 x Speccies, 2 x BBC Micro, 2 x Sam Coupé, QL, ZX81, Osborne Executive, TI-994/A, Videopac G7000, PS1, PS2 Fat&Slim, Megadrive, NES (RGB), SNES, N64 (RGB), GC, GBC, OG Xbox, Xbox 360, Wii etc. etc. and anything else that has pixels like Lego bricks.
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