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TOS 2.06 Mega STe

Upgrade or replace the ROM.
Fletch
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TOS 2.06 Mega STe

Post by Fletch »

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
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troed
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Re: TOS 2.06 Mega STe

Post by troed »

Yeah that's correct.

What do you get when it tries to boot? What TOS did you have before and was that working?
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exxos
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Re: TOS 2.06 Mega STe

Post by exxos »

How many pins did the ROM's have you took out ?
Fletch
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Re: TOS 2.06 Mega STe

Post by Fletch »

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.
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exxos
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Re: TOS 2.06 Mega STe

Post by exxos »

Fletch wrote: 22 Aug 2018 03:22 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 ?

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Fletch
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Re: TOS 2.06 Mega STe

Post by Fletch »

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.
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exxos
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Re: TOS 2.06 Mega STe

Post by exxos »

Fletch wrote: 23 Aug 2018 11:56 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.
Fletch
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Re: TOS 2.06 Mega STe

Post by Fletch »

I appreciate that. I have no idea either.
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exxos
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Re: TOS 2.06 Mega STe

Post by exxos »

Fletch wrote: 25 Aug 2018 04:14 I appreciate that. I have no idea either.
Did you try swapping HI & LO ?
Fletch
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Re: TOS 2.06 Mega STe

Post by Fletch »

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
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