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Multi-tap ID
Multi-tap ID is classified as follows according to the connected peripheral.

  1. When a peripheral is directly connected to a peripheral port, or when a peripheral is not connected, the multi-tap ID indicates FH.
  2. When a multi-tap is connected to a peripheral port, 0H to EH are displayed.
  3. When a device that cannot be recognized by SMPC (UNKNOWN device) is connected to the peripheral port, it indicates the mega drive peripheral ID (MD PID).

SMPC UNKNOWN device connection is determined by receiving an MD PID not supported by SMPC in the initial phase between SMPC and peripheral. When using Justify (Risal Enforcers Gun), etc., connection judgment is executed in SMPC control mode, and after acquiring port status, it can also be handled by using SH2 direct mode. It may also be determined as UNKNOWN when a line error occurs in the initial phase between the SMPC and the peripheral.

Table 3.6 Relationship between connected peripherals and multi-tap ID 
 Peripheral connected to peripheral port 
 Multi tap ID data 

 Peripheral directly connected, not connected 
 FH 
 Multi-tap connection 
 0H to EH 
 UNKNOWN device connection 
 MD-PID

Multi-tap ID is collected separately from Saturn peripheral ID. Multi-tap ID is provided as a multi-tap specification.
Table 3.7 shows currently supported multi-tap IDs and the number of connectors.

Table 3.7 Multi-tap ID and number of connectors 
 Multi-tap name 
 Multi-tap ID 
 Number of connectors 
 Sega Tap 
 0H 
 4H 
 Saturn 6P multi-tap 
 1H 
 6H

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