Forgottenmyname - Progress

Where Alpha builders can post pics and progress etc
User avatar
PhilC
Moderator
Moderator
Posts: 6063
Joined: Fri Mar 23, 2018 8:22 pm

Re: Forgottenmyname - Progress

Post by PhilC »

So far today, replaced CPU socket and found a broken bodge wire that was ocasionally making contact, hence confusing the hell out of me.

So now I can properly concentrate on finding why my floppy doesn't work

Edit 1
Ok, so now the STF boots to TOS, sees the floppy but won't read or format it. I get 4 bombs generally when trying to boot to a floppy.

When I boot up the diag rom it passes ram, etc. It will do track seeks and speed tests on the floppy but not format it. I get error E9 when I try to format.

So now a couple of steps forward, which is cool.
If it ain't broke, test it to Destruction.
User avatar
exxos
Site Admin
Site Admin
Posts: 24202
Joined: Wed Aug 16, 2017 11:19 pm
Location: UK
Contact:

Re: Forgottenmyname - Progress

Post by exxos »

Forgottenmyname wrote: Fri Nov 30, 2018 3:40 pm So now I can properly concentrate on finding why my floppy doesn't work!
Hope you have some luck soon!
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 ~
People should find solutions to problems, not find problems with solutions.
User avatar
PhilC
Moderator
Moderator
Posts: 6063
Joined: Fri Mar 23, 2018 8:22 pm

Re: Forgottenmyname - Progress

Post by PhilC »

exxos wrote: Fri Nov 30, 2018 3:53 pm
Forgottenmyname wrote: Fri Nov 30, 2018 3:40 pm So now I can properly concentrate on finding why my floppy doesn't work!
Hope you have some luck soon!
thanks, getting there slowly. may just replace a couple more sockets, ie DMA and Shifter to rule them out too
If it ain't broke, test it to Destruction.
User avatar
PhilC
Moderator
Moderator
Posts: 6063
Joined: Fri Mar 23, 2018 8:22 pm

Re: Forgottenmyname - Progress

Post by PhilC »

Well, that was an interesting and probably the end of my STF project, at least part one anyway.

Last night had a power cut whilst I was playing with the STF, scope, etc. Powered it back up and no display, burning smell, etc....

I don't think it's the PSU as that's outputting all the right voltages but now my STF is dead.... hopefully not permanently.

Guess the luck exxos wished me back fired, LOL.

Still, I shall look on as you guys work on your STF's and will wait patiently for Part two / mongrel board.

Now off to see why one of my Mega's doesn't work properly too after last night.
If it ain't broke, test it to Destruction.
User avatar
PaulJ
Posts: 1568
Joined: Sun Apr 08, 2018 1:14 am
Location: USA

Re: Forgottenmyname - Progress

Post by PaulJ »

Forgottenmyname, sorry to hear of your machines passing.. :sorry:
User avatar
exxos
Site Admin
Site Admin
Posts: 24202
Joined: Wed Aug 16, 2017 11:19 pm
Location: UK
Contact:

Re: Forgottenmyname - Progress

Post by exxos »

Oh no, can you test the chips in another st ?
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 ~
People should find solutions to problems, not find problems with solutions.
User avatar
PaulJ
Posts: 1568
Joined: Sun Apr 08, 2018 1:14 am
Location: USA

Re: Forgottenmyname - Progress

Post by PaulJ »

I hope you had a doner card filled out! :signhere:
User avatar
PhilC
Moderator
Moderator
Posts: 6063
Joined: Fri Mar 23, 2018 8:22 pm

Re: Forgottenmyname - Progress

Post by PhilC »

LOL, yes I did have a donor card filled out.
I'll pop the chips one by one in another ST and see what happens. Hopefully its something daft like a transistor on the RGB circuit, as there's no output but the shifter is generating 16mhz etc still.
If it ain't broke, test it to Destruction.
User avatar
Icky
Site Admin
Site Admin
Posts: 4013
Joined: Sun Sep 03, 2017 10:57 am
Location: UK

Re: Forgottenmyname - Progress

Post by Icky »

That is bad luck. Are you trying to out do me on the PSU failures / issues? I think I racked up 3 last month. Biggest one being my PC PSU which just went dead overnight. Not a small unit either Corsair RM850.

Lets hope you can salvage something out of the board i.e. its an easy fix.
User avatar
PhilC
Moderator
Moderator
Posts: 6063
Joined: Fri Mar 23, 2018 8:22 pm

Re: Forgottenmyname - Progress

Post by PhilC »

And the not so amusing thing is that my "best" Mega 4 now has the same issue that the STF had, it won't read from floppy without 4 bombs.
If it ain't broke, test it to Destruction.
Post Reply

Return to “ALPHA USER BUILDS”