Digital Audio Workstation & MIDI > Audio & MIDI Hardware

MIDI Interfaces connecting via Serial (without audio i/o)

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Pushpull76:
Another one from the past. As you can easily see, it was made to work with compact macs.

smilesdavis:
interesting, didnt know the original 1990 MTP & 1993 MTPII supported IBM PC, XT, AT, PS2 and Compatibles

MTPIBM REV-A (1991) FOR USE WITH MIDI TIME PIECE (8-bit)
MIDI EXPRESS CARD REV-2 - EXPRESS PC & MTP CARD (1993) - without MPU401 near DIP switch
MIDI EXPRESS CARD REV-3 - EXPRESS PC & MTP CARD (1993) - with MPU401 near DIP switch
PC Link ISA Card

this is the isa card that can use MTPI&II and Express PC interfaces *and* supports MPU401. this card is the most rare card ever. priceless.

this also means that the above chart is wrong as Midi Time Piece I & II should say PC yes

teroyk:

--- Quote from: smilesdavis on February 27, 2023, 01:11:18 PM ---interesting, didnt know the original 1990 MTP & 1993 MTPII supported IBM PC, XT, AT, PS2 and Compatibles

MTPIBM REV-A (1991) FOR USE WITH MIDI TIME PIECE (8-bit)
MIDI EXPRESS CARD REV-2 - EXPRESS PC & MTP CARD (1993) - without MPU401 near DIP switch
MIDI EXPRESS CARD REV-3 - EXPRESS PC & MTP CARD (1993) - with MPU401 near DIP switch
PC Link ISA Card

this is the isa card that can use MTPI&II and Express PC interfaces *and* supports MPU401. this card is the most rare card ever. priceless.

this also means that the above chart is wrong as Midi Time Piece I & II should say PC yes

--- End quote ---

Where you find that information? As far I know PC MTP Card has connection to interface box and to Mac serialport (yes, you can connect PC to Mac talking MIDI) and not to Time Piece box. Correct me if I am wrong.
But also I want know more information manuals, drivers, programming hints, etc. about MTP devices before 1995 both PC and Mac.
Only I have found so far is liked here:
http://www.oldschooldaw.com/forums/index.php?topic=566.0
The manual that is linked in the page missing pages (I think about 30 pages missing)
And no files from disks that are in pictures in page.

And hint, don't confuse MOTU Express PC with ISA-card to later Express devices that is connected to Paraller-port.

robespierre:
The text on the card says "Express PC and MTP Card" and there is a jumper to select "PC EXP" or "MTP" mode.
Since the MIDI Timepiece has its own S&S MIDI Processor (in addition to the one on the card), the MTP mode must work mostly as a passthru to pass data over the RS422 port. The DB25 port likely becomes inoperative in MTP mode.

However, I don't know if the MPU401 emulation is available in MTP mode.

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