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How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Upgrade or replace the ROM.
rmachlanski
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How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by rmachlanski »

Hi,

I have purchased:
ASSEMBLED STE DUAL TOS 1.62/2.06 (NO ROM) (https://www.exxosforum.co.uk/atari/store2/#0139)
and
ATARI STE 1.62 / 2.06 TOS ROM ENGLISH (https://www.exxosforum.co.uk/atari/store2/#0143)

I have searched info linked from the web store, forum and googled, but I cannot find neither guidelines nor even photo how should I install it.
Can someone share a photo or answer two questions:
1. which direction should I place ROM in the socket?
2. which direction should I place ROM board to the STE ROM sockets?

Thanks.

Here is what I have:
DualTOS.jpg
DualTOS.jpg (38.74 KiB) Viewed 2393 times
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Badwolf
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by Badwolf »

Writing the 'correct' way up as you sit normally at the computer. Board all the way to the left in the sockets as per the arrow.

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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by stephen_usher »

You can also use the notches on the ROM sockets as a guide, matching the dimples on the outline printed on the circuit board.
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by Steve »

Just to clarify question 2 for rmachlanski: Look inside the ROM socket, see there is a tiny arrow? That should like up with the side of the ROM which is slanted & has a dimple.
rmachlanski
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by rmachlanski »

Thanks for hints. The PCB and chip are located as in the photo:
IMG_5562.jpg
IMG_5562.jpg (88.04 KiB) Viewed 2327 times
Next question is: how about jumpers W102 and W104? Should they be also switched as per 1.62 (pins 23/23)/ 2.06 (pins 12/12)?
As per guideline: https://www.exxosforum.co.uk/atari/last ... ETOSSWITCH they should be all 2-3, so just to double check.
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by Badwolf »

rmachlanski wrote: Wed Jun 05, 2024 4:05 pm Thanks for hints. The PCB and chip are located as in the photo:
IMG_5562.jpg

Next question is: how about jumpers W102 and W104? Should they be also switched as per 1.62 (pins 23/23)/ 2.06 (pins 12/12)?
As per guideline: https://www.exxosforum.co.uk/atari/last ... ETOSSWITCH they should be all 2-3, so just to double check.
I'm not sure. I don't think you need to change them, but I'm not certain as I have the older board.

Turn it on and see if the floppy starts to seek in the first couple of seconds? I don't think it'll cause any damage.

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machapman
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by machapman »

I'm trying to install the STE Dual TOS board but the rows of pins aren't well aligned with the sockets.
tos1.jpg
tos1.jpg (80.68 KiB) Viewed 1941 times
What is the recommended way to rectify this?
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by rubber_jonnie »

machapman wrote: Sun Sep 08, 2024 2:13 pm I'm trying to install the STE Dual TOS board but the rows of pins aren't well aligned with the sockets.
tos1.jpg
What is the recommended way to rectify this?
Can I ask, was this self assembly or ready assembled? If ready assembled you might want to feed this back to @exxos

If self assembled, you should always put the pins in the sockets and wiggle the PCB into position and then solder a pin at each corner and in the middle to make sure they are aligned. Just soldering them to the PCB with nothing to align them.can lead to this situation.

As it goes, you really aren't that far off and gentle pressure from the left (The left as in your image) should be enough to get the pins to move enough so you can push in.

Just be careful as the machined pins can be broken if too much pressure is applie.
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800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
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Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
machapman
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by machapman »

No, not self assembly - just received this preassembled from exxos.
Exxos asks buyers to feedback and get support via this forum so that's what I'm doing.
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Re: How to install 2024 version of the STE DUAL TOS 1.62 & TOS206

Post by rubber_jonnie »

machapman wrote: Sun Sep 08, 2024 3:03 pm No, not self assembly - just received this preassembled from exxos.
Exxos asks buyers to feedback and get support via this forum so that's what I'm doing.
That's fair enough, looks like the pin headers are a little off so that probably needs addressing at the assembly stage. I'll make sure he's aware.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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