Compatibility of external MSX keyboards thread

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بواسطة popolon_

Expert (126)

صورة popolon_

25-12-2020, 18:23

I connected paxon keyboard to ntt captain msx, but it seems pinout description is wrong for ntt captain related to X4-X7 pin order.
Pins 14-17 shuold be X4,X5,X6,X7 (not X7,X6,X5,X4)
I double checked that paxon keyboard pinout was correct (from keyboard pcb and also from cable pins), the error is in ntt captain side description.

بواسطة popolon_

Expert (126)

صورة popolon_

27-12-2020, 12:09

here is keyboard pinout for toshiba hx34:
hx34_keyboard_pinout.jpg

so the pins K0-K7 are used for X0-X7, but also pins K0-K3 are used for Ya,Yb,Yc,Yd

so only some special members can edit the corresponding wiki pages, right?

بواسطة popolon_

Expert (126)

صورة popolon_

13-01-2021, 20:49

Ntt captain keyboard pinout is wrong also related to CAPS and KANA pins. Those are actually mixed up in that picture (https://www.msx.org/wiki/File:Captain_ntt_keyboard_pinout_-_...). The right pin for CAPS is 23, and for KANA is 24.

بواسطة Pac

Guardian (6078)

صورة Pac

13-02-2021, 19:08

Some keyboard schematics + key matrix:

Sony HB-701FD.
Mitsubishi ML-G30 (already posted here).
Pioneer PX-V60 (same as PX-7).

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