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by alanh
Mon Jan 25, 2021 10:39 am
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

When the images match, it's likely to not cause a problem because the data is the same.

It's when you've flashed a modified TOS that problems will occur.

You could put a switch on the OE/CE pin on the originals ROMs and leave them in though for when you'd need a failsafe.
by alanh
Fri Jan 08, 2021 6:52 pm
Forum: Hardware
Topic: Atari STBook issue with power circuit - L1003 ?
Replies: 4
Views: 248

Re: Atari STBook issue with power circuit - L1003 ?

Size and shape doesn't follow at all once you start looking at them.

I've opted for a 200mA though.
by alanh
Fri Jan 08, 2021 5:01 pm
Forum: Hardware
Topic: Atari STBook issue with power circuit - L1003 ?
Replies: 4
Views: 248

Re: Atari STBook issue with power circuit - L1003 ?

Mmm. Seems as though there's a mA rating with them too. Doesn't seem to mention in dev-docs.
by alanh
Fri Jan 08, 2021 4:24 pm
Forum: Hardware
Topic: Atari STBook issue with power circuit - L1003 ?
Replies: 4
Views: 248

Atari STBook issue with power circuit - L1003 ?

Anyone know what L1003 is on the STBook ?

Looks like an inductor, that has 9147 written on it. Seems as though the one I've got is blown.

Looking for a spec/alternative.
by alanh
Fri Jan 08, 2021 12:34 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

Ok, I've been in contact with everyone I've been PM'd or emailed. If you haven't had a reply, please check your PM's first. If you still haven't had a reply it's likely I've not got you down for a board, so you'll need to PM me directly. At this point it's likely people will end up on a pre-order li...
by alanh
Fri Jan 08, 2021 8:51 am
Forum: Hardware
Topic: NEW USB Host Controller via ACSI
Replies: 516
Views: 149916

Re: NEW USB Host Controller via ACSI

http://atari.8bitchip.info/ASThdFAQ.html Only that the sentence "[BigDOS] disables partitions under 32MB" is wrong at least a general statement as my own experience and the Hatari disk image that I posted show. Maybe this happens under some special circumstances ... which I would be interested in k...
by alanh
Thu Jan 07, 2021 8:21 pm
Forum: Hardware
Topic: NEW USB Host Controller via ACSI
Replies: 516
Views: 149916

Re: NEW USB Host Controller via ACSI

Sounds like the out port of the unicorn may have a bad solder joint then. Might want to check that.
by alanh
Thu Jan 07, 2021 8:00 pm
Forum: Hardware
Topic: Atari ST keyboard -> USB interface
Replies: 11
Views: 487

Re: Atari ST keyboard -> USB interface

I think there is always going to be a requirement for these.
by alanh
Wed Jan 06, 2021 8:22 pm
Forum: Hardware
Topic: PCI for the Atari range
Replies: 47
Views: 1944

Re: PCI for the Atari range

You've got to ask yourself a question of why you need PCI ?

Is it just graphics for a bigger TOS screen ?

Is there anything you require for the Atari that's now not available via USB ? Sure, maybe drivers haven't been written, but they could be.
by alanh
Tue Jan 05, 2021 6:05 pm
Forum: Hardware
Topic: Atari HDMI possibility
Replies: 10
Views: 906

Re: Atari HDMI possibility

There's also the OSSC scan converter. That apparently works with a wide range of machines.
by alanh
Wed Dec 23, 2020 7:09 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

Getting 5x MegaSTE MonSTErs ready.

I just need to make the IDE interrupt cable.

Thought folks would like to see some progress.....
MegaSTE-MonSTEr.JPG
by alanh
Wed Dec 23, 2020 4:38 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

Ok, quick update as I didn't want people to think I've stopped again :-)

Been focusing on the MegaSTE boards and had a few soldering issues, eyes not being as good as they used to be.
by alanh
Wed Dec 16, 2020 9:16 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

I've had a few PMs over the last few hours. Bear with me folks. They take time to solder and test. And the boards I mentioned above, are bare unsoldered boards. I've just tested 1 x STE, and I'm half-way through a MegaSTE board. I think I might not be able to provide the Interrupt cables for the IDE...
by alanh
Wed Dec 16, 2020 12:54 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

That's great news Alan! Will you be providing the STe version as well? Yes. I have some limited quantities of boards. After a quick count. 5 x MegaSTEs 3 (or 4) x STE 10 x ST/MegaST Once those are gone, I'd need to get some more boards ordered. First MegaSTE board is in the cleaner to verify it.......
by alanh
Fri Dec 11, 2020 9:58 am
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

Soldering setup up and running.

Having to find all the parts I still have. But I have started soldering again and will ping again soon.

Will take some pics to prove it :-)
by alanh
Tue Oct 27, 2020 4:18 pm
Forum: Hardware
Topic: Mega STe/MonSTer blitter problem
Replies: 18
Views: 1565

Re: Mega STe/MonSTer blitter problem

Check the DTACK wire. I suspect it's not soldered correctly.
by alanh
Tue Oct 27, 2020 12:23 pm
Forum: Hardware
Topic: Mega STe/MonSTer blitter problem
Replies: 18
Views: 1565

Re: Mega STe/MonSTer blitter problem

The key here is that for the BLITTER to be enabled at all is at the end of solders.txt....

"Once these solders are made you can put a jumper on the BLITTER pins."

Without that the box will be greyed out.
by alanh
Fri Oct 23, 2020 12:20 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

Pop the CPU out and stick it into the MonSTer, then plonk the MonSTer into the CPU socket. Connect the IRQ cable for the IDE interface and that's it.
by alanh
Sat Sep 12, 2020 9:15 am
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

No soldering if your processor is socketed. If not, then you'll need to desolder the processor and put a socket there.
by alanh
Wed Aug 19, 2020 4:32 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

GPU's would be a lot of work.

As for blitter.....

See if these IC's are socketed....

U001A/U1

and

U006/U6 or U011/U11
by alanh
Wed Aug 19, 2020 4:05 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

MegaSTE has a VME bus which takes out some of the RAM range possibilities.

Yes, IDE can take master/slave, so you'd have 4 IDE devices.
by alanh
Wed Aug 19, 2020 3:19 pm
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

8MB more on ST/STE, 6MB on MegaSTE. Yes, more TOS versions due to it's Flash chip, and two IDE ports. It can also take a Real-Time-Clock module. That's seperate though. It only disables the blitter on the MegaSTE by default, but soldering, can fix it. Or if you are lucky, the chip in question might ...
by alanh
Mon Aug 17, 2020 8:27 am
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

The only way of updating firmware (and I'd need to check if there was a good reason to update it) is to return it to me.
by alanh
Sat Aug 15, 2020 9:08 am
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

I've got a about 3 STE, and 3 MegaSTE boards right now that need testing first.

My soldering rig is getting set up later, but I'll need to find some new parts again, which may put the cost up a bit.

I'll certainly ping on this thread when I'm operational again.
by alanh
Fri Jul 24, 2020 8:21 am
Forum: Hardware
Topic: New board: MonSTer
Replies: 662
Views: 252120

Re: New board: MonSTer

Yes. We can........

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