Search found 113 matches

by kodak80
Mon Oct 08, 2018 9:39 pm
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

BGACK PULL UP FIX: https://www.exxoshost.co.uk/forum/viewtopic.php?f=19&t=1185&start=10#p10086 Question for Icky and Forgottenmyname: Just curious, do you have this modification still on your boards? I note that Exxos advised that this modification is not needed: https://www.exxoshost.co.uk/forum/v...
by kodak80
Mon Oct 08, 2018 9:39 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

BGACK PULL UP FIX: https://www.exxoshost.co.uk/forum/viewtopic.php?f=19&t=1185&start=10#p10086 Question for Icky and Forgottenmyname: Just curious, do you have this modification still on your boards? I note that Exxos advised that this modification is not needed: https://www.exxoshost.co.uk/forum/vi...
by kodak80
Sun Oct 07, 2018 9:09 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

OK, thanks for the pointer. Still waiting for my new scope to arrive so will try checking the soldering on the WD1772 socket. My expert mate is also away now for 3 weeks so will be diangosing things on my own. Have been mainly booting into TOS 1.04. With my 2nd board, I now have it booting to TOS af...
by kodak80
Sun Oct 07, 2018 1:37 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

I have just added the floppy pull-up patch but cannot get the board to recognise my floppy. Have tried both a Gotek and an Epson 308 drive. Any thoughts from those who have the floppy working?
by kodak80
Sat Oct 06, 2018 11:05 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

Both of my boards are now alive. :yay: :yay2: :dualthumbup: Board 1 has the mods and is booting to TOS with stable video. Paul, my mate who is helping me with the troubleshooting has tidied up some of my soldering and re-did the modifications. Being pedantic he used SMT resistors which can be seen i...
by kodak80
Mon Oct 01, 2018 9:16 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

Hi Icky I have been away on a spring break for the last week so have not had a chance to do anything. I left the 1st board with a friend who was going to use his scope on it to do somae diagnostics. I will be catching up with him on Saturday to see how he went. :) I have started assembling my second...
by kodak80
Mon Sep 24, 2018 8:00 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

Re: kodak80 progress

Finally got one of my boards built and powered on Saturday afternoon at our local Atari meetup but got no output to an LCD monitor via the cable created. :cry: I have made all modifications except the 16mhz one to the board. The video cable created was a 13 pin to VGA colour video cable to resolve t...
by kodak80
Mon Sep 24, 2018 7:58 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 48
Views: 4618

kodak80 progress

As my board is now built, opening a new topic to keep track of things. :D
by kodak80
Mon Sep 24, 2018 6:42 am
Forum: STF REMAKE PROJECT
Topic: PCB Build - Progress - Post your Pics here :-)
Replies: 135
Views: 10888

Re: PCB Build - Progress - Post your Pics here :-)

Finally got one of my boards built and powered on Saturday afternoon at our local Atari meetup but got no output to an LCD monitor via the cable created. :cry: I have made all modifications except the 16mhz one to the board. The video cable created was a 13 pin to VGA colour video cable to resolve t...
by kodak80
Wed Sep 19, 2018 11:39 am
Forum: PSU (power supplies)
Topic: Recapping Falcon PSU - My rectifier is different
Replies: 8
Views: 979

Re: Recapping Falcon PSU - My rectifier is different

The bridge rectifier is the original square one and is correct. The one Exxos supplies is slightly different but has 4 legs so you need to make sure you align the positive and negative legs: http://www.exxoshost.co.uk/atari/last/psu/Frec1.jpg R4 and R18 was missing from my Falcon PSU and they look t...