HaaTa wrote:I don't think it's Keytronic, the PCB design is not even close, and most Keytronic stuff comes out of Spokane Washington (and this was made in Japan).
But yeah, I have no definitive evidence, just stuff pointing towards it being related to Topre keyboards.
My current theory is that Topre hired away the guy that did the original design for this particular keyboard switch.
Well, before I think about selling mine, gotta build a USB converter. Maybe after that though.
I will keep my eyes open though, as they pop up from time to time.
+--------------+ 1 = +5 Volts
| 5 3 1 | 2 = Keyboard Data
| | 3 = Speaker Signal
- 6 4 2 - 4 = Speaker Return (+5V)
| | 5 = Ground
+----------+ 6 = Clock (diagrams in the book seem
to indicate that clock is generated
BY the keyboard)
kishy on irc wrote:what's funny is...it's extremely similar to what Ford used on car stereos with factory amplifiers that connector has a locking tab on it, but it's the same shape and I think it's similar in size, but then I haven't seen the IBM connector in person
HaaTa wrote:I'd say similar. Topre is snappier, but really only on the depress.