Keybort

This one is a MicroWeb Touch-1 XT/AT. Kinda.

See if you look up that keyboard you find the Deskthority page on it, showing this.
It's clearly pretty similar, but there are some differences.
Also that one uses a PC/XT/AT DIN5 connector, and this one uses some kind of RJ connector.
This one isn't in the greatest of shape, but considering I got it from the Chuck Colby estate sale, it's surprising it isn't completely water-damaged.
It's got some minor rust damage inside, where the metal clips rubbed off on the PCB.
And the control chip is a C35331E.
It's one of those chips you can find a few places that'll sell you one, but nowhere has a datasheet.
"8647" is probably a date code? 47th week of 1986.
That matches the chip on Deskthority.
And all keycaps removed! These are "Futaba MA series" (aka Futaba clicky switch) switches.
It's got 5 pins connected. AT is only 4 pins, but the PC/XT keyboard is 5 pins. So maybe this is a switchable keyboard?
the Deskthority wiki seems to partially agree with that:
There's a jumper under the tab key, which is theorized to be a XT/AT switch.
SO, what the heck is the pinout? I have no idea what the pinout of the IC is, and nothing to connect this to to spy on it, and no results online for googling the name other than the one that's shown up on deskthority.
Well, the PCB has two other chips on it.
They're both 74-series logic.
We can easily find datasheets for those and they should be sharing power/ground.
green is +5V
and either blue or yellow is GND.
(they both seem to be ground, at least as close as my multimeter can tell.

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हिमालय पर्वत की एक बड़ी पवित्र गुफा थी।उस गुफा के निकट ही गंगा जी बहती थी।एक बार देवर्षि नारद विचरण करते हुए वहां आ पहुंचे।वह परम पवित्र गुफा नारद जी को अत्यंत सुहावनी लगी।वहां का मनोरम प्राकृतिक दृश्य,पर्वत,नदी और वन देख उनके हृदय में श्रीहरि विष्णु की भक्ति अत्यंत बलवती हो उठी।


और देवर्षि नारद वहीं बैठकर तपस्या में लीन हो गए।इन्द्र नारद की तपस्या से घबरा गए।उन्हें हमेशा की तरह अपना सिंहासन व स्वर्ग खोने का डर सताने लगा।इसलिए इन्द्र ने नारद की तपस्या भंग करने के लिए कामदेव को उनके पास भेज दिया।वहां पहुंच कामदेव ने अपनी माया से वसंतऋतु को उत्पन्न कर दिया।


पेड़ और पौधों पर रंग बिरंगे फूल खिल गए और कोयलें कूकने लगी,पक्षी चहकने लगे।शीतल,मंद,सुगंधित और सुहावनी हवा चलने लगी।रंभा आदि अप्सराएं नाचने लगीं ।किन्तु कामदेव की किसी भी माया का नारद पे कोई प्रभाव नहीं पड़ा।तब कामदेव को डर सताने लगा कि कहीं नारद क्रोध में आकर मुझे श्राप न देदें।

जैसे ही नारद ने अपनी आंखें खोली, उसी क्षण कामदेव ने उनसे क्षमा मांगी।नारद मुनि को तनिक भी क्रोध नहीं आया और उन्होने शीघ्र ही कामदेव को क्षमा कर दिया।कामदेव प्रसन्न होकर वहां से चले गए।कामदेव के चले जाने पर देवर्षि के मन में अहंकार आ गया कि मैने कामदेव को हरा दिया।

नारद फिर कैलाश जा पहुंचे और शिवजी को अपनी विजयगाथा सुनाई।शिव समझ गए कि नारद अहंकारी हो गए हैं और अगर ये बात विष्णु जी जान गए तो नारद के लिए अच्छा नहीं होगा।ये सोचकर शिवजी ने नारद को भगवन विष्णु को ये बात बताने के लीए मना किया। परंतु नारद जी को ये बात उचित नहीं लगी।