Sega Drive Boards

Legend
BUTTON
DIGITAL		 LAMP
DIGITAL		 RX
DIGITAL		 TX
DIGITAL
+5V
POWER		 GND
POWER		 POT
ANALOG
RGB VIDEO
5 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 RED RED RED RED RED RED
02 GREEN GREEN GREEN GREEN GREEN GREEN
03 BLUE BLUE BLUE BLUE BLUE BLUE
04 SYNC SYNC SYNC SYNC SYNC SYNC
05 GND GND GND GND GND GND
AUDIO
4 PIN
Pin
#		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 GND GND GND GND
02 LCH LCH LCH LCH
03 GND GND GND GND
04 RCH RCH RCH RCH
Virtua Racing and Daytona USA have RCA jacks
24BIT INPUT/OUTPUT
25 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 COIN COIN1 COIN1 COIN1 COIN1 COIN1
02 COIN2 COIN2 COIN2 COIN2 COIN2
03 TEST TEST TEST TEST TEST TEST
04 SERVICE SERVICE SERVICE SERVICE SERVICE SERVICE
05 START START START START START
06 VIEW1 VIEW1
07 VIEW2 VIEW2 START
08 VIEW3 VIEW3 VIEW (CHANGE)
09 VIEW4 VIEW4 VIEW1 (IN) VIEW1 (IN) VIEW1
10 COURSE0* VIEW2 (OUT) VIEW2 (OUT) VIEW2
11 COURSE1* VIEW3
12 EMERGENCY* VIEW4
13 SHIFT 0 (DOWN) SHIFT 0 (1/3) SHIFT 0 (1/3) SHIFT 0 (UP) SHIFT 0 (UP) SHIFT 0
14 SHIFT 1 (UP) SHIFT 1 (2/4) SHIFT 1 (2/4) SHIFT 1 (DOWN) SHIFT 1 (DOWN) SHIFT 1
15 SHIFT 1-2/3-4 SHIFT 1-2/3-4 SHIFT 2
16 EX START*
17 COIN COIN1 RX0 RX0 RX0 RX0
18 COIN2 RX1 RX1 RX1 RX1
19 START START RX2 RX2 RX2 RX2
20 VIEW1 VIEW1 RX3 RX3 RX3 RX3
21 VIEW2 VIEW2 RX4 RX4 RX4 RX4
22 VIEW3 VIEW3 RX5 RX5 RX5 RX5
23 VIEW4 VIEW4 RX6 RX6 RX6 RX6
24 LEADER LEADER RX7 RX7 RX7 RX7
25  
* Daytona USA Special Type
** Depending on DIP Switch
POWER
25 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA
01 GND GND
02 GND GND
03 GND GND
04 GND GND
05 GND GND
06 GND GND
07 GND GND
08 GND GND
09 GND GND
10 GND GND
11 GND GND
12 GND GND
13 GND GND
14 GND GND
15 GND GND
16 GND GND
17 +5V +5V
18 +5V +5V
19 +5V +5V
20 +5V +5V
21 +5V +5V
22 +5V +5V
23 +5V +5V
24 +5V +5V
25 +5V +5V
I/O #1
11 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA
01  
02 RX0 TX0
03 RX1 TX1
04 RX2 TX2
05 RX3 TX3
06  
07 RX4 TX4
08 RX5 TX5
09 RX6 TX6
10 RX7 TX7
11  
I/O
12 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA
01  
02 TX0 RX0
03 TX1 RX1
04 TX2 RX2
05 TX3 RX3
06  
07 TX4 RX4
08 TX5 RX5
09 TX6 RX6
10 TX7 RX7
11 GND GND
12  
8BIT OUTPUT
8 PIN
Pin
#		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 COIN1 COIN1 COIN1 COIN1
02 COIN2 COIN2 COIN2 COIN2
03 START START START START
04 VIEW1
05 VIEW1 (IN) VIEW1 (IN) VIEW2
06 VIEW VIEW2 (OUT) VIEW2 (OUT) VIEW3
07 VIEW4
08 LEADER LEADER LEADER LEADER
4CH ANALOG - 4BIT I/O #1
13 PIN / 16 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 +5V +5V TX0 TX0 TX0 TX0
02 CH0 (STEERING) CH0 (STEERING) TX2 TX2 TX2 TX2
03 GND GND TX4 TX4 TX4 TX4
04 TX6 TX6 TX6 TX6
05 CH2 (BRAKE) CH2 (BRAKE) +5V +5V +5V +5V
06 GND GND CH0 (HANDLE) CH0 (HANDLE) CH0 (HANDLE) CH0 (HANDLE)
07 GND GND GND GND
08  
09 CH2 (BRAKE) CH2 (BRAKE) CH2 (BRAKE) CH2 (BRAKE)
10  
11  
12  
13  
14  
15  
16  
4CH ANALOG - 4BIT I/O #2
13 PIN / 18 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 +5V +5V TX1 TX1 TX1 TX1
02 CH1 (ACCEL) CH1 (ACCEL) TX3 TX3 TX3 TX3
03 TX5 TX5 TX5 TX5
04 TX7 TX7 TX7 TX7
05 +5V +5V +5V +5V
06 CH1 (ACCEL) CH1 (ACCEL) CH1 (ACCEL) CH1 (ACCEL)
07 GND GND GND GND
08  
09  
10  
11  
12  
13  
14  
15  
16  
17  
18  
POWER
9 PIN / 10 PIN / 11 PIN
Pin
#		 Model 1
Virtua Racing		 Model 2
Daytona USA		 Model 2A
Sega Rally		 Model 2B
Indy 500		 Model 2C
S.T.C.C.		 Model 3
Daytona USA 2
01 +5V +5V +5V +5V +5V +5V
02 +5V +5V +5V +5V +5V +5V
03 +5V +5V +5V +5V +5V +5V
04 +5V +5V +5V +5V +5V +5V
05 *1
06 *2
07 GND GND GND GND GND GND
08 GND GND GND GND GND GND
09 GND GND GND GND GND GND
10 GND GND GND GND GND GND
11  
*1 Daytona USA FAN (either +5V or +12V)
*2 Daytona USA FAN (GND)