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Old 18 November 2016, 18:21   #1
spidi
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Wicher 500 - new turbo card for A500

[ Show youtube player ] you can see the presentation of the prototype Wicher 500 turbo card for the Amiga 500.

CPU: 68000/68010 - 12,14,16,18,21,24,28 MHz,
FAST Memory: 1/2/4/8 MB EDO SIMM,
IDE Controller (Kickstart 2.05+),
SPI Controller,
RTC on SPI bus


Last edited by spidi; 18 December 2016 at 11:53.
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Old 19 November 2016, 00:23   #2
eXeler0
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Interesting, so it uses the expansion port rather than sitting ontop the old 68000 socket..
I have one of them old Blizzard Turbo mem cards that fit internally.. Gives me 14 or is it 16MHz 68000 + 2MB FastRAM. But no IDE.

Ballpark figure: How long before its done?
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Old 19 November 2016, 00:38   #3
Signman
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Why aim so low in speed?
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Old 19 November 2016, 01:30   #4
s2325
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+ for polish name
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Old 19 November 2016, 01:39   #5
Mohican
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NMI and Action Replay III possibility would be fantastic
(in cooperation with the original author)
Did you try with scsi.device modded kickstart 1.3 ?
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Old 19 November 2016, 23:43   #6
LuMan
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EDO RAM.... Good job I've still got some kicking around from an old DX2/66 I used to have..

But excellent work. A definite addition. Looking forward to more info.
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Old 21 November 2016, 01:01   #7
pandy71
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Maybe it should be Wichura - small cache (16 - 64KiB) could be nice...
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Old 21 November 2016, 05:56   #8
Ratteler
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How much?
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Old 21 November 2016, 14:02   #9
spidi
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Quote:
Originally Posted by s2325 View Post
+ for polish name
Names are inspired by old Polish airplanes
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Old 21 November 2016, 14:08   #10
spidi
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Maybe it should be Wichura - small cache (16 - 64KiB) could be nice...
Now I am working on the implementation of the SPI Controller.
Performance turbo card at the moment





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Old 21 November 2016, 14:59   #11
zipper
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Waiting for a faster version called Błyskawica
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Old 21 November 2016, 15:05   #12
Predseda
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Wouldn't you want 'Pogotowie Ratunkowe'?
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Old 21 November 2016, 15:19   #13
spidi
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Waiting for a faster version called Błyskawica
No, no, no warships,
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Old 21 November 2016, 15:20   #14
spidi
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Wouldn't you want 'Pogotowie Ratunkowe'?
dowcipniś

Last edited by spidi; 21 November 2016 at 15:46.
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Old 21 November 2016, 15:33   #15
Schoenfeld
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Spidi,

your sync design gets every single cycle, that's excellent. From what I can see on the pictures, you should have the possibility to add a MapROM function, this will give you quite some extra speed on Sysinfo stones and IDE performance (unless you run a patched scsi.device that's already in fastmem - then you already have the best speed).

At this point, the ACA500plus (which is async, so loses a cycle here and there) beats your sync design just because of MapROM at 14MHz. You can beat the ACA500plus at 14MHz if you implement MapROM. However, you won't reach the ACA500plus speed if it's clocked at 21MHz or more :-)

Jens
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Old 21 November 2016, 16:44   #16
Signman
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Is the ACA 500 plus coming soon, just see the older version on the Individual Computer's site.
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Old 21 November 2016, 16:59   #17
Schoenfeld
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Signman,

I didn't mean to hijack this thread, but to give Spidi some hints on how he can improve performance. I expect to have ACA500plus news early december. Please stay on topic here - it's Spidi's thread.

Jens
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Old 21 November 2016, 17:11   #18
jack-3d
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Very nice, but I dont have A500, I am more waiting for the A2000 version. Keep it up! ;o)
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Old 21 November 2016, 18:32   #19
Akira
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Great job spidi!!
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Old 21 November 2016, 19:12   #20
Thalion
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Nice design. I like the RAM socket.
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