05 May 2008, 20:00 | #1 |
Zone Friend
Join Date: Nov 2004
Location: Polsbroek NL
Age: 48
Posts: 74
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A1200 keyboards...
about 3 years ago i bought a second hand 4 GB drive for my amiga 1200, as it's the largest size KS3.0 can handle w/o having to use fixes, and i thought it'd be enuf. i installed it on my PC and put it into my amiga and back into the PC a cpl of times during installation to check if things were right. after all, winuae is an emulator.
well, i managed to get that hd installed using winuae, but my keyboard got broken in the process. back then, i really had no clue what caused the sudden keyboard failure. so, i ordered a new kb at vesalia. it arrived w/in a week, installed it, worked fine so i had this really cool miggy running. till recently, my hd started failing sometimes when i put in a floppy disc, resetting itself at times causing it to get unmounted. besides, it was almost full, as i still d/l new amiga demos. so, i went out to that shop again and got myself a second hand 20Gb drive. using maprom to boot os3.9 to recog large drives, SFS file system, and a fast spin up so no rebooting @ first anymore cos of the older drive's slower spin up. 3.2Mb/s, 19,800 megs, excellent stuff. but... yet again the damned keyboard is messed up! i cant use the upper row of keys (Q....]) and the enter key anymore. from my previous mess-up, i learned the connector is kinda sensitive, but this time i didnt touch the green interface nor take off the keyboard, as i did the previous time. i just looked at it, installed a new drive, but it's party time again... not! been to my attic and tried the other broken keyboard still there, it's still completely dead. cleaned the white connector on the 1200 mobo, reconnected the new keyboard, still no upper row of keys... anyone here got any ideas how to fix this? i really don't feel like buying yet another extremely expensive keyboard from vesalia. |
05 May 2008, 20:26 | #2 |
I hate potatos and shirts
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You can always put an A500 keyboard inside the 1200 (without the LEDs), route the 4 necessary wires (2 for power, 2 for data/clock).
The A500/2000 k/b have the same shape of the 1200's one, so it's easy to fit physically. Plus you just need to solder the wires on the 1200 motherboard. Not a job for n00bs, but it worth the effort. More details in this Aminet hack: http://aminet.net/docs/hard/a500key1.lha |
05 May 2008, 20:26 | #3 |
Cat lover
Join Date: May 2004
Location: Italy
Age: 54
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One time I had the keyboard partially working. Its green wire was well plugged down to the motherboard, but the rectangular white base keeping it was a bit up. Probably you already tried it, but verify it again.
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05 May 2008, 20:39 | #4 |
Zone Friend
Join Date: Nov 2004
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Age: 48
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@rkauer
i'm really not that much of a technician i know a bit bout computers, but soldering... and i dont have an A500 kb in stock aswell @fc.studio yeah, i have checked that. time and time again. disconnected and reconnected it five times, making sure its plugged down to the mobo w/ the base properly pressed down. still no upper row of keys... i'd say its a bit ridiculous to use such extremely sensitive hardware. just lookin' at it seems to fuck it up. might as well buy a complete second hand 1200, considering vesalia's prices... |
05 May 2008, 21:12 | #5 |
Zone Friend
Join Date: Feb 2006
Location: Hertfordshire
Posts: 688
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Hold the end of the green ribbon up to the light to make sure that the tracks reach the end of the cable.
They can actually get worn / rubbed off. This happened to one of my keyboards and trimming a few millimetres off the end solved the problem. Good luck. |
05 May 2008, 21:26 | #6 |
Zone Friend
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thanks magno
thats something that's worth a try |
05 May 2008, 22:34 | #7 |
Registered User
Join Date: Aug 2004
Location: www.amigakit.com
Posts: 2,047
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We can provide a replacement green carbon pad layer for A1200 keyboards if that is of any use.
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06 May 2008, 12:32 | #8 | |
Amiga Nut
Join Date: Oct 2006
Location: Belco, Australia
Posts: 2,242
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Quote:
PZ. |
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07 May 2008, 12:42 | #9 |
Zone Friend
Join Date: Nov 2004
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@ magno & fingerlickin_b
absolutely true it works! |
07 May 2008, 12:51 | #10 |
Amiga Nut
Join Date: Oct 2006
Location: Belco, Australia
Posts: 2,242
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I love a happy Amiga ending!
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08 May 2008, 19:17 | #11 |
Zone Friend
Join Date: Nov 2004
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that makes 2 of us
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