V1 16mhz booster back on sale

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exxos
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V1 16mhz booster back on sale

Postby exxos » Tue Mar 24, 2015 9:10 pm

I started a new topic on this booster as not to confuse with other boosters in development..

store_v1booster.jpg


I have been asked a few times about people wanting to buy the V1. I never actually finished assembling the first batch as did not expect many to sell. Though on my last PCB order (which came a few days ago) I tagged on some revised V1 booster PCBs. So I am currently building up a few (probably about 10 in total) to go back on sale.

The new board is functionally the same as the old one. Only I have fixed the 8/16mhz switch in relating to the blitter problems. So this new board people can just solder the switch to the jumper links on the board directly, and there shouldn't be any blitter issues. At least there isn't on my STFM with blitter which I tried today. 8/16mhz works fine.

Also, I am adding in a 100R resistor between the CPU clock pin and the booster clock out. Also I am recommending (and will supply) a 100R resistor to go in series with the 16mhz line. This should hopefully solve issues relating to the MEGA machines. I have also swapped the 74F series chips in favour for the ACT series as the F series seems to load the signals to much and does not give a solid 5V output. There isn't much difference between them, more so it should help with noisy MEGA machines than anything.

Anyone who wants to grab one of these boosters, please reserve one by ordering from my website. It may be a couple of weeks before I finish them as I have a whole lot of site updates to do relating to new kits which I am doing.

http://www.exxoshost.co.uk/atari/last/store.htm

Many thanks to everyone who has been ordering items from my store of the past couple of weeks. Your support is greatly appreciated :cheers:
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exxos
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Re: V1 16mhz booster back on sale

Postby exxos » Thu Mar 26, 2015 11:54 am

Just a small update that these are currently being assembled & tested. So thank for the orders. I hope to start shipping these out early next week :cheers:

DSCN1160f.JPG
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Re: V1 16mhz booster back on sale

Postby exxos » Tue Mar 31, 2015 3:59 pm

V1 now in stock. I've assembled and tested a few, some are spoken for already, so there are currently 5 in stock. I do plan to build up some more, but only so many hours in the day 8)
4MB STFM 1.44 FD- VELOCE+ 020 STE - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - various clutter

http://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
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Re: V1 16mhz booster back on sale

Postby Total Eclipse » Wed Apr 01, 2015 7:51 am

Just ooi, what is the blitter problem you mention?

I remember my dad fitting a 16mhz booster to his Mega1 years ago, not sure what type, only that it was software switchable, but one side effect was that at 16mhz the computer would hang if the blitter was switched on.

He always assumed he'd made a mistake when fitting it, but your comment in here made me wonder if there was something else wrong.
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exxos
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Re: V1 16mhz booster back on sale

Postby exxos » Wed Apr 01, 2015 8:14 am

Total Eclipse wrote:Just ooi, what is the blitter problem you mention?

I remember my dad fitting a 16mhz booster to his Mega1 years ago, not sure what type, only that it was software switchable, but one side effect was that at 16mhz the computer would hang if the blitter was switched on.

He always assumed he'd made a mistake when fitting it, but your comment in here made me wonder if there was something else wrong.


I've talked about it a lot in other threads. Though on the MEGA, it has a lot of issues to start with.

You can read all about it here http://www.exxoshost.co.uk/atari/last/MEGAST/index.htm
4MB STFM 1.44 FD- VELOCE+ 020 STE - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - various clutter

http://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
http://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
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Re: V1 16mhz booster back on sale

Postby NikolaL » Sun Apr 05, 2015 5:54 am

I order and pay for this board, im waiting for delivery.
Place for 5 volts, atleast 1000uF 6.3V or 16V capacitator into board at your psu power plug :wink:

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exxos
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Re: V1 16mhz booster back on sale

Postby exxos » Sun Apr 05, 2015 9:35 am

All V1 booster orders have been shipped out last week. Though there are a couple orders I cannot ship yet ( including yours) as they also ordered a 4MB kit which I am waiting on stock to arrive which will be about 2 weeks.
4MB STFM 1.44 FD- VELOCE+ 020 STE - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - various clutter

http://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
http://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
http://ataristeven.exxoshost.co.uk/Steem.htm Latest Steem Emulator


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