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PC-9821N-K08(for Note)
IN:Printer 20pin
OUT:Game/MIDI(15pin*2)

BTW, I had a Junk cable.(for old SoundBluster?)
IN:DB15 (to PC-9801-118)
OUT:DB15(for Joystick) and MIDI-OUT PLUG.
I Used the Joystick and MIDI.
But Only Windows.
ex)
http://music.casio.co.jp/karaoke/help/b ... ect.html#b

Now I'm really confused...

The seller of the cable PC-9821N-K08 has uploaded a new picture for showing the connectors it has http://page9.auctions.yahoo.co.jp/jp/auction/k140577894
You are right Akarin: It has to be connected to Printer port 20 pin.
-----------------------------------
In: Printer 20 pin
Out 1: DB15 for MIDI/joystick
Out 2: Printer 20 pin
-----------------------------------

The PC-9821N-K07 cable is exactly the same as PC-9821N-K08 but lacks the second output (Printer 20 pin). But I don't really care about that because I'm not going to use the printer port. Anyway, the PC-9821N-K08 cable is the only one available now in the auctions.

But all this is very strange... Why the cables PC-9821N-K07 and PC-9821N-K08 use the printer port instead DB25 or DB9 RS-232C connectors? Then... This is not for use MIDI RS-232C sound option in the PC-9801/PC-9821 games? As I know, the printer port is not a RS-232C connector (only DB25 and DB9).

Maybe the cables PC-9821N-K07 and PC-9821N-K08 were made for using MIDI and joystick in those PC-9821 lacking a DB15 port (like for example, the "Note" models). And the MIDI/joystick using a PC-9821N-K08 cable will work only for Windows games. If so, it would be useless for me, because the PC-9821 Cereb has already a frontal DB15 port and can use without problem MIDI and joystick under Windows. (...)

Then... Nobody knows if the PC-9821N-K07/PC-9821N-K08 cables from NEC will let the use of joystick/pad PC/AT under MS-DOS games? I asked the seller from the auction and he said he don't know and can not check that.

Ok... at least, for the MIDI sound, we know that the RSC-15N cable from Roland really works for games with RS-232C MIDI option.

I have been reading all Roland Sound Canvas owner's manuals, and here is the list of the modules that are PC-9801/PC-9821 compatible (for connecting them to the RS-232C DB25 port):

- Roland SC-880 (year 1998)
- Roland SC-88ST PRO (year 1997)
- Roland SC-88PRO (year 1997)
- Roland SC-88ST (year 1996)
- Roland SC-88VL (year 1996)
- Roland SC-88 (year 1994)
- Roland SC-50 (year 1994)
- Roland SC-55ST (year 1993)
- Roland SC-55 MKII (year 1993)
- Roland SC-7 (year 1992) (This module don't support GS sound, so probably some games will sound bad)

All these Sound Canvas modules have "PC1 Computer" switch option which works at speed 31.25K instead of 38.4K (used with "PC2" option for PC/AT computers). PC-98X1 games need speed 31.25K for working with MIDI.