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#21 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 44
Posts: 9,961
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Wow, that's handy. Too bad I don't have any mobos that are that recent.. An A500 kbd indeed plugs in directly if you solder in a pin strip first.
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#22 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Would that header completely bypass the KB controller?
this would allow for multi timbre playing with octamed like the A500 and A600. (as playing on the A1200 *even with keyboard adapter*) would not be able to play a chord... ![]() |
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#23 |
Global Moderator
Join Date: Nov 2001
Location: Derby, UK
Age: 48
Posts: 9,355
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Keep this up guys, soon we'll be rebuilding Amiga's and upgraded Amiga's too from scratch
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#24 | |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 44
Posts: 9,961
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Quote:
If the adapter lugs in the keyboard ribbon connector, then naturally it won't. If it clips over the CIA, then it would unless they've messed it up or if you use a ps2 keyboard that can't handle multiple presses properly. |
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#25 |
Registered User
Join Date: May 2008
Location: Ede, Netherland
Age: 56
Posts: 34
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I want to apply this hack to my A1200. Can you make a picture of your mod?
Quote:
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#26 |
Posts: n/a
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Mmmm, just looking at these schematics is making me want to modify something.
Excellent resource. @Zetro, yes I got your FPU and cable. I tried the FPU but the same negative results as my PGA FPU. So one can only assume the accelerator is not designed to accept this upgrade. - Will post back shorty. Soz for the delay, haven't had much play-time lately, building a new kitchen. http://www.imdb.com/title/tt0392878/ (The Onion Movie) "Cocker Puncher! I don't think you have the balls!" [ Show youtube player ] |
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#27 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Could this be added to this thread ?
I posted this a while back (and I am no stranger to pimpin more hardware pr0n) ![]() Last edited by Jope; 16 August 2010 at 16:20. |
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#28 |
I hate potatos and shirts
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My friend, one of the NC pads actually is the reset line!
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#29 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 44
Posts: 9,961
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So you mean there's two resets in there?
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#30 |
I hate potatos and shirts
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Nope, just one. But I need to have another 2B here to check again, my units are both 1D1 ATM.
Anyway, it is an easy check: run a grounded wire to the pads with the Amiga on. If it resets, then you found the spot. Be careful to not ground any other pad (except the ground one, of course). |
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#31 | |
Precious & fragile things
Join Date: Feb 2009
Location: Victoria, Australia
Posts: 1,946
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Quote:
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#32 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 44
Posts: 9,961
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The Amiga resetting itself does not always mean that the pin you grounded is a reset pin. Maybe take a more scientific approach to it and look at the motherboard traces.. :-)
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#33 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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#34 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Okay tests done
Pin 5/7 is not connected to anything pin 4/7 is connected to "U49" D3F7 and a 10k Resistor with a .33uf Cap to ground, I would say this is certainly another reset, although this might only reset the Keyboard MPU?? Anyway all buzzed out and confirmed with the rev2b schema's - heres a schematic since we are here =) thats should sove it =) |
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#35 |
Banned
Join Date: Jan 2010
Location: france
Posts: 932
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Where the collection has moved ?
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#36 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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@gibs
guildserver.co.uk is down at the moment (host is playing silly buggers) but please bare with me, been suffing a fair bit of winter buggy nastyness - will get this sorted this week. |
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#37 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 44
Posts: 9,961
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Any news when this will be back up again?
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#38 |
Registered User
Join Date: Jan 2008
Location: United Kingdom
Age: 47
Posts: 735
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Have been meaning to contribute to this thread for some time so here goes.
Both PCBs are simple enough to be made at home as they are single sided, with some wire-links. The first is a very simple PCB to allow you to easily connect the LEDs of a tower case to the A600/A1200 LED connector. ![]() You have to reverse the orientation for the A600 but it works. Full design package, here: http://www.ianstedman.co.uk/downloads/Power_LEDs.zip The second design is one many of you have bought, my V2 floppy drive adaptor. This is a slightly tweaked design, it can accept a right angle power connector, works as DF0:/DF1: and has a corrected FDD pinout. ![]() The full design package is here, http://www.ianstedman.co.uk/downloads/Floppy.zip Will release some more soon once I tidy things up. All new designs will be released under a creative commons license. Ian |
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#39 |
Registered User
Join Date: Dec 2013
Location: Vitoria-Spain
Posts: 16
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Hi Zetr0.
All the pics are down. please can you upload again?. Thanks. |
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#40 |
Amiga baby yeah!
Join Date: Nov 2014
Location: Basingstoke
Posts: 108
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