TOS 2.06 Mega STe

Upgrade or replace the ROM.
Fletch
Posts: 6
Joined: Sun Aug 19, 2018 8:23 pm

TOS 2.06 Mega STe

Post 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 installed. From everything I see on the web the HI chip is on the left and the LOW is on the right. Does this look right? Any suggestions?

Thanks!

Pete
IMG_5663.jpg
IMG_5663.jpg (2.78 MiB) Viewed 435 times

troed
Trusted Guru
Trusted Guru
Posts: 448
Joined: Mon Aug 21, 2017 10:27 pm

Re: TOS 2.06 Mega STe

Post by troed » Sun Aug 19, 2018 9:03 pm

Yeah that's correct.

What do you get when it tries to boot? What TOS did you have before and was that working?

User avatar
exxos
Site Admin
Site Admin
Posts: 4538
Joined: Wed Aug 16, 2017 11:19 pm
Location: UK
Contact:

Re: TOS 2.06 Mega STe

Post by exxos » Sun Aug 19, 2018 9:25 pm

How many pins did the ROM's have you took out ?
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

Fletch
Posts: 6
Joined: Sun Aug 19, 2018 8:23 pm

Re: TOS 2.06 Mega STe

Post by Fletch » Wed Aug 22, 2018 3:22 am

The TOS 2.05 chips I took out have the same number of pins as the 2.06 ones I purchased. I put the 2.05 ROMs back in and they work fine. Swapped the 2.06 in and out a half dozen times without success. I just thought maybe I had installed the ROMs incorrectly. Oh well, maybe I'll buy another set sometime and try again.

User avatar
exxos
Site Admin
Site Admin
Posts: 4538
Joined: Wed Aug 16, 2017 11:19 pm
Location: UK
Contact:

Re: TOS 2.06 Mega STe

Post by exxos » Wed Aug 22, 2018 9:08 am

Fletch wrote:
Wed Aug 22, 2018 3:22 am
The TOS 2.05 chips I took out have the same number of pins as the 2.06 ones I purchased. I put the 2.05 ROMs back in and they work fine. Swapped the 2.06 in and out a half dozen times without success. I just thought maybe I had installed the ROMs incorrectly. Oh well, maybe I'll buy another set sometime and try again.
You can send them back for a re-test if you like, they are all tested before they are sent out and never known any not work in a machine.. I guess you could swap HI & LO just in case I stuck the stickers on wrong.

BTW - the pin on the left chip , bottom left, pin looks like its bent and missed the socket ?

1.JPG
1.JPG (32.79 KiB) Viewed 386 times
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

Fletch
Posts: 6
Joined: Sun Aug 19, 2018 8:23 pm

Re: TOS 2.06 Mega STe

Post by Fletch » Thu Aug 23, 2018 11:56 am

I hastily reinstalled the chips to take the picture of how I had installed them. I put them in many times before this. So yes, in the picture the pin appears to have missed the socket, but not during use.

User avatar
exxos
Site Admin
Site Admin
Posts: 4538
Joined: Wed Aug 16, 2017 11:19 pm
Location: UK
Contact:

Re: TOS 2.06 Mega STe

Post by exxos » Fri Aug 24, 2018 2:22 pm

Fletch wrote:
Thu Aug 23, 2018 11:56 am
I hastily reinstalled the chips to take the picture of how I had installed them. I put them in many times before this. So yes, in the picture the pin appears to have missed the socket, but not during use.
I will send you out a new set in a few days. Though I don't know why they wouldn't work, they are all verified before they are sent out.
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

Fletch
Posts: 6
Joined: Sun Aug 19, 2018 8:23 pm

Re: TOS 2.06 Mega STe

Post by Fletch » Sat Aug 25, 2018 4:14 am

I appreciate that. I have no idea either.

User avatar
exxos
Site Admin
Site Admin
Posts: 4538
Joined: Wed Aug 16, 2017 11:19 pm
Location: UK
Contact:

Re: TOS 2.06 Mega STe

Post by exxos » Sat Aug 25, 2018 8:47 am

Fletch wrote:
Sat Aug 25, 2018 4:14 am
I appreciate that. I have no idea either.
Did you try swapping HI & LO ?
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

Fletch
Posts: 6
Joined: Sun Aug 19, 2018 8:23 pm

Re: TOS 2.06 Mega STe

Post by Fletch » Sat Sep 08, 2018 7:57 pm

Chris,

The replacement ROMS arrived today and they worked immediately. Thanks so much for sending them.

I did try swapping them around on the original set. No go.

The new ones you sent are great though.

Thanks again,

Pete
Attachments
IMG_5814.jpg
IMG_5814.jpg (2.75 MiB) Viewed 228 times
IMG_5813.jpg
IMG_5813.jpg (3.85 MiB) Viewed 228 times

Post Reply