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How to Clean, Upgrade, Repair, Mod, Disassemble a SUN Computer Keyboard

Do you need to clean, upgrade, mod or repair your computer keyboard? Here is a collection of free take apart instructions, disassembly pictures, upgrade and repair manuals, as well as do-it-yourself (DIY) tips and tricks for computer keyboards.

If you have written a guide yourself (or if you know of a HOWTO or report not linked here), please submit a new entry.

SUN Type 5 Keyboard [external link]SUN keyboard to PC serial port adapter: Many people have dreamed having their SUN Type 5 keyboard attached to their Linux box up to now. And with this adapter, it is finally possible. Because the standard SUN keyboards use TTL RS232 at 1200 bps to talk to the SUNs, it's very easy to make them talk to any non-SUN computer by converting this to true RS232. All what you need is a MAX232 chip that'll take care about the correct voltage levels, and also some chip to invert the signals, since the MAX232 inverts them as well, and we don't need this. This all easily fits into a 25-pin serial connector.
SUN Keyboard [external link]Mouse and keyboard schematics for 15 PIN DSUB FEMALE (SUN3s and older) and 8 PIN MINI-DIN FEMALE (3/80 and Sparcs) connectors.
SUN Type 4, 5 Keyboard [external link]RS232 (DB9) to SUN keyboard connector and voltage converter, includes schematics.
SUN Type 5 Keyboard [external link]How to attach a USB connection as a replacement for AT or PS/2.
SUN Type 5c Keyboard [external link]Take apart and modding guide with pictures.

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© Werner Heuser 2005-2011 · · last change Tue Nov 13 2007