Sega Genesis Multitaps information

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Sega Genesis Multitaps information
Content: Introduction | Sega MK-1647 | Sega MK-1654 | Performance P-450

Introduction

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There is not much information on the different types of multi-taps available for the Sega Genesis. This page aims to correct this.

Sega MK-1647

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mk1647 bottom

mk1647 top

mk1647 box

Name: Team Player, Multi-Player Adaptor, For Sega Genesis and Sega CD.
Manufactured by: Sega
Model #: MK-1647
UPC code:0-10086-01647-5

Sega's MK-1647 multitap has two cables going to the console and a 6 position mode selection button. The different modes are:

A: Multitap port A mapped to first controller cable. Second controller cable unused.
B: Multitap port B mapped to first controller cable. Second controller cable unused.
C: Multitap port C mapped to first controller cable. Second controller cable unused.
D: Multitap port D mapped to first controller cable. Second controller cable unused.
EXTRA: Multitap port A and B repectively mapped to Genesis port 1 and 2.
MULTI: The 4 Multitap ports are used in 4 player mode thru the first controller cable. Second controller cable unused.

Support:

Any combination of 3 and 6 button controllers can be used.
Works with my DB9 to USB adapter.
Uses the Sega multi-tap protocol, as described in genesis_multitap.txt.
Works with Sega's multi-tap IO example ROM (Multitap - IO Sample Program) (Not on this site, please don't ask for it).

Sega MK-1654

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mk1654 internals

mk1654 bottom

mk1654 top

mk1654 box

Name: Team Player, Multi-Player Adaptor, For Sega Genesis and Sega CD.
Manufactured by: Sega
Model #: MK-1654
UPC code:0-10086-01654-3

Sega's MK-1654 multitap has one cable going to the console and a 5 position mode selection button. The different modes are:

MULTI: The 4 Multitap ports are used in 4 player mode.
A: Multitap port A mapped to Genesis port 1.
B: Multitap port B mapped to Genesis port 1.
C: Multitap port C mapped to Genesis port 1.
D: Multitap port D mapped to Genesis port 1.

Support:

Any combination of 3 and 6 button controllers can be used.
Works with my DB9 to USB adapter.
Uses the Sega multi-tap protocol, as described in genesis_multitap.txt.
Works with Sega's multi-tap IO example ROM (Multitap - IO Sample Program) (Not on this site, please don't ask for it).

Performance P-450

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p450 bottom

p450 top

p450 box

Name: Super Multi-play
Manufactured by: Performance
Model #: P-450
UPC code:?

Performance's P-450 multitap has a two position mode switch and two sets of cables going to the console (1 cable for MODE 1, 2 cables for MODE 2). In mode 1, it works like Sega's MK-1654 multi-tap. I don't have much information about mode 2, but I suspect it is for Electronic Arts games which needed a different type of multi-tap.

Support:

Any combination of 3 and 6 button controllers can be used. But see problems below.
Works with my DB9 to USB adapter.
Uses the Sega multi-tap protocol, (almost) as described in genesis_multitap.txt.
Works with Sega's multi-tap IO example ROM (Multitap - IO Sample Program) (Not on this site, please don't ask for it).

Problems:

This multi-tap does not detect Sega's MK-1470 6 button controllers (They work as 3 button controllers instead). I have not tried other controllers yet.
This multi-tap reports the presence of 3 button controllers in all ports, even when nothing is connected. This is not really a problem, but it is not what Sega's multi-tap do.

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Last update: October 05, 2008