Sega Mega-Tech Pinout: Difference between revisions

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Created page with "Sega Mega-Tech Pinout. ===Connector CN1 (Lamp)=== Use Molex 12 Pin 0.100" Header. {| class="wikitable" style="width:auto" |- ! Pin ! Definition |- | 1||I.1 |- | 2||I.2 |..."
 
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[[Sega Mega-Tech]] Pinout.
[[Sega Mega-Tech]] Pinout.


== Overview ==
<gallery>
Image:Mega-Tech PCB bare.png|Mega-Tech PCB
Image:MT_PG.jpg|Parlour Games PCB
Image:MT_WCS.jpg|World Championship Soccer PCB
</gallery>
== Wiring Harness ==
Credit to: Kevin Eshbach
===Connector CN1 (Lamp)===
===Connector CN1 (Lamp)===
Use Molex 12 Pin 0.100" Header.
Use Molex 12 Pin 0.100" Header.
Line 93: Line 102:
| 25||Com A
| 25||Com A
|}
|}


===Connector CN3 (Sound)===
===Connector CN3 (Sound)===
Line 143: Line 151:
===Connector CN5 (Gun)===
===Connector CN5 (Gun)===
Use Molex 21 Pin 0.100" Header.
Use Molex 21 Pin 0.100" Header.
Note: Pinout unknown as Sega never released a gun or gun games for this platform.
{| class="wikitable" style="width:auto"
{| class="wikitable" style="width:auto"
|-
|-
Line 293: Line 303:
| 5||Ground
| 5||Ground
|}
|}
'''Credit to: Kevin Eshbach'''
 
== Game Slots ==
Credit to: Nipedley<ref>[https://www.smspower.org/forums/post98752?highlight=#98752 Nipedley Megatech Info Pack v2.1 forum post @SMSPOWER]</ref>
 
{| class="wikitable sortable"
! Pin !! Function !! Pin !! Function
|-
| A1 || GND || B1 || NC
|-
| A2 || VCC || B2 || H_RESET
|-
| A3 || A7 || B3 || NC
|-
| A4 || A10 || B4 || A8
|-
| A5 || A6 || B5 || A9
|-
| A6 || A11 || B6 || A17
|-
| A7 || A5 || B7 || A18
|-
| A8 || A12 || B8 || A19
|-
| A9 || A4 || B9 || A20
|-
| A10 || A13 || B10 || A21
|-
| A11 || A3 || B11 || A22
|-
| A12 || A14 || B12 || NC
|-
| A13 || A2 || B13 || NC
|-
| A14 || A15 || B14 || /OE (MENU)
|-
| A15 || A1 || B15 || NC
|-
| A16 || A16 || B16 || /CAS0 (NC)*
|-
| A17 || A0 || B17 || /CEO (NC)*
|-
| A18 || GND || B18 || AS
|-
| A19 || D7 || B19 || NC
|-
| A20 || D0 || B20 || DTACK
|-
| A21 || D8 || B21 || NC
|-
| A22 || D6 || B22 || D15
|-
| A23 || D1 || B23 || D14
|-
| A24 || D9  || B24 || D13
|-
| A25 || D5 || B25 || D12
|-
| A26 || D2 || B26 || /CART
|-
| A27 || D10 || B27 || /CEO (CE ROM)
|-
| A28 || D4 || B28 || /LWR
|-
| A29 || D3 || B29 || /CAS2
|-
| A30 || D11 || B30 || /M3
|-
| A31 || VCC || B31 || /TIME
|-
| A32 || GND || B32 || /CAS0 (OE ROM)
|}
 
B16 and B17 MT are also /CAS0, /CEO signals but B27 and B32 are the slot-switched /CAS0 and /CEO specific for MT.
 
The Megatech switches these signals on/off from slot to slot, to enable or disable the specific cart.
 
== References ==
<references/>


[[Category:Pinouts]]
[[Category:Pinouts]]

Latest revision as of 19:46, 13 June 2024

Sega Mega-Tech Pinout.

Overview

  • Mega-Tech PCB
    Mega-Tech PCB
  • Parlour Games PCB
    Parlour Games PCB
  • World Championship Soccer PCB
    World Championship Soccer PCB

Wiring Harness

Credit to: Kevin Eshbach

Connector CN1 (Lamp)

Use Molex 12 Pin 0.100" Header.

Pin Definition
1 I.1
2 I.2
3 I.3
4 I.4
5 N/C
6 N/C
7 N/C
8 N/C
9 N/C
10 N/C
11 N/C
12 N/C

Connector CN2 (Select)

Use Molex 25 Pin 0.100" Header.

Pin Definition
1 Select *
2 N/C
3 N/C
4 N/C
5 Door SW 1
6 Door SW 2
7 N/C
8 Test
9 A.1
10 A.2
11 A.3
12 A.4
13 Service
14 Enter
15 +5VDC
16 +5VDC
17 N/C
18 Coin Meter
19 N/C
20 Ground
21 Ground
22 Ground
23 Ground
24 Ground
25 Com A

Connector CN3 (Sound)

Use Molex 4 Pin 0.100" Header.

Pin Definition
1 Left Speaker (+)
2 Left Speaker (-)
3 Right Speaker (+)
4 Left Speaker (-)

Connector CN4 (1P)

Use Molex 10 Pin 0.100" Header.

Pin Definition
1 1P Up*
2 1P Down*
3 1P Left*
4 1P Right*
5 1P Shot 1*
6 1P Shot 2*
7 1P Shot 3*
8 1P Start*
9 Ground
10 Ground
  • Wired as NO (Normally Open)

Connector CN5 (Gun)

Use Molex 21 Pin 0.100" Header.

Note: Pinout unknown as Sega never released a gun or gun games for this platform.

Pin Definition
1
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

Connector CN6 (Power)

Use Molex 14 Pin 0.100" Header.

Pin Definition
1 +5VDC
2 +5VDC
3 +5VDC
4 +5VDC
6 N/C
7 Ground
8 Ground
9 Ground
10 Ground
11 Ground
12 N/C
13 +12VDC
14 +12VDC

Connector CN7 (2P)

Use Molex 11 Pin 0.100" Header.

Pin Definition
1 2P Up*
2 2P Down*
3 2P Left*
4 2P Right*
5 2P Shot 1*
6 2P Shot 2*
7 2P Shot 3*
8 2P Start*
9 Ground
10 Ground
  • Wired as NO (Normally Open)

Connector CN8 (RGB1) - Main Monitor

Use Molex 6 Pin 0.100" Header.

Pin Definition
1 Video Red (+)
2 Video Green (+)
3 Video Blue (+)
4 Video Sync (-)
5 Ground
6 N/C

Connector CN9 (RGB2) - Secondary Monitor

Use Molex 5 Pin 0.100" Header.

Pin Definition
1 Video Red (+)
2 Video Green (+)
3 Video Blue (+)
4 Video Sync (-)
5 Ground

Game Slots

Credit to: Nipedley[1]

Pin Function Pin Function
A1 GND B1 NC
A2 VCC B2 H_RESET
A3 A7 B3 NC
A4 A10 B4 A8
A5 A6 B5 A9
A6 A11 B6 A17
A7 A5 B7 A18
A8 A12 B8 A19
A9 A4 B9 A20
A10 A13 B10 A21
A11 A3 B11 A22
A12 A14 B12 NC
A13 A2 B13 NC
A14 A15 B14 /OE (MENU)
A15 A1 B15 NC
A16 A16 B16 /CAS0 (NC)*
A17 A0 B17 /CEO (NC)*
A18 GND B18 AS
A19 D7 B19 NC
A20 D0 B20 DTACK
A21 D8 B21 NC
A22 D6 B22 D15
A23 D1 B23 D14
A24 D9 B24 D13
A25 D5 B25 D12
A26 D2 B26 /CART
A27 D10 B27 /CEO (CE ROM)
A28 D4 B28 /LWR
A29 D3 B29 /CAS2
A30 D11 B30 /M3
A31 VCC B31 /TIME
A32 GND B32 /CAS0 (OE ROM)

B16 and B17 MT are also /CAS0, /CEO signals but B27 and B32 are the slot-switched /CAS0 and /CEO specific for MT.

The Megatech switches these signals on/off from slot to slot, to enable or disable the specific cart.

References

  1. ↑ Nipedley Megatech Info Pack v2.1 forum post @SMSPOWER
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