Can all registered uses please login, even just for a few minutes..
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It helps build a picture where our "good traffic" is coming from..
Thanks :)
PAK68/3 floppy not working
Re: PAK68/3 floppy not working
As an example, one of my Mega has 120ns ram and will not reliably boot the pak at all. The SOP ram I have is 70ns and runs fine.
If it ain't broke, test it to Destruction.
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TheNameOfTheGame
- Posts: 188
- Joined: Tue Dec 05, 2017 5:49 pm
- Location: Almost Heaven, West Virginia
Re: PAK68/3 floppy not working
I saw this comment in the PAK manual:
Anyone have this buffer board or schematic for it?
- asci_buffering.png (59.04 KiB) Viewed 5250 times
Anyone have this buffer board or schematic for it?
Re: PAK68/3 floppy not working
Sounds like he talking about the STE buffer chips.. schematics are freely available for the STE machine. But I would suggest doing the current DMA fixes before buffering...TheNameOfTheGame wrote: Tue Mar 31, 2020 5:04 pm I saw this comment in the PAK manual:
Anyone have this buffer board or schematic for it?
Re: PAK68/3 floppy not working
About the memory thing... I'm pretty sure I had 120 ns chip on my STacy when I
first started installing my Pak board. But I actually did "RTFM", at least during
the installation, so I caught that part about having problems with slower
RAM.
I switched it out for some boards I got from Brad at Best Electronics that were
80 ns chips.
Hadn't had any problems relating to slow memory that I know of...
first started installing my Pak board. But I actually did "RTFM", at least during
the installation, so I caught that part about having problems with slowerRAM.
I switched it out for some boards I got from Brad at Best Electronics that were
80 ns chips.
Hadn't had any problems relating to slow memory that I know of...
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Re: PAK68/3 floppy not working
I agree, a mega with 120ns ram would give me memory test issues but when changed to 70ns worked fine.
If it ain't broke, test it to Destruction.
Re: PAK68/3 floppy not working
Its odd though as the MMU controls RAM and speed of RAM shouldn't matterPhilC wrote: Wed Apr 01, 2020 6:52 am I agree, a mega with 120ns ram would give me memory test issues but when changed to 70ns worked fine.
could just be down to bus loading or something ,-
TheNameOfTheGame
- Posts: 188
- Joined: Tue Dec 05, 2017 5:49 pm
- Location: Almost Heaven, West Virginia
Re: PAK68/3 floppy not working
Anyone heard from pakman? The last time he replied to any of my questions was over a year ago. I hope everything is ok.
Re: PAK68/3 floppy not working
Isn't he part of the lightning team ?TheNameOfTheGame wrote: Fri Feb 12, 2021 2:44 am Anyone heard from pakman? The last time he replied to any of my questions was over a year ago. I hope everything is ok.
He's not logged in here since July 2019.
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TheNameOfTheGame
- Posts: 188
- Joined: Tue Dec 05, 2017 5:49 pm
- Location: Almost Heaven, West Virginia
Re: PAK68/3 floppy not working
I don't know really. Is there a way to contact him through that project? I've been trying with the German Atari forum.
Re: PAK68/3 floppy not working
I don't know as I'm not involved with the lightning team... @czietz may know ?TheNameOfTheGame wrote: Fri Feb 12, 2021 3:23 am I don't know really. Is there a way to contact him through that project? I've been trying with the German Atari forum.