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SNES CART HACKING INFO #1 BY SIUDYM

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SNES
 · 18 Jan 2020

SNES CART HACKING INFO #1 BY SIUDYM

01. Cartridge Connector LoROM Pinout
02. Cartridge Connector HiROM Pinout
03. Mask ROM Pinout
04. SRAM (2KB) 6216 Pinout
05. SRAM (8KB) 6264 Pinout
06. Address Decoder MAD-1 Pinout (ILLUSION OF TIME 2MB HiROM)
07. Address Decoder MAD-1 Pinout (NBA LIVE 95 1,5MB LoROM)
08. Address Decoder 74LS00 Pinout (SOCCER SHOOTOUT 1,5MB LoROM)
09. Address Decoder 74LS00 Pinout (JUSTICE LEAGUE TASK FORCE 3MB LoROM)
10. Address Decoder 74LS00 Pinout (EARTHWORM JIM 2 - PIRATE 3MB HiROM)
11. Address Decoder 74LS139 Pinout (SUPER MARIO WORLD 0,5MB LoROM)
12. Address Decoder 74LS139 Pinout (MORTAL KOMBAT 2 - PIRATE 3MB HiROM (FIRST 2MB FOR MK2, LAST 1MB FOR KILLER INSTINCT DEMO)
13. Address Decoder 74LS00 Spec.
14. Address Decoder 74LS139 Spec.

01. Cartridge Connector LoROM:


 
---+---
GND |05 | 36| GND
A11 |06 | 37| A12
A10 |07 | 38| A13
A9 |08 | 39| A14
A8 |09 | 40| NC
A7 |10 | 41| A15
A6 |11 | 42| A16
A5 |12 | 43| A17
A4 |13 | 44| A18
A3 |14 | 45| A19
A2 |15 | 46| A20
A1 |16 | 47| A21
A0 |17 | 48| A22
/IRQ |18 | 49| /OE
D0 |19 | 50| D4
D1 |20 | 51| D5
D2 |21 | 52| D6
D3 |22 | 53| D7
/CE |23 | 54| /WE
Pin 1 D413 |24 | 55| Pin 2 D413
Pin 7 D413 |25 | 56| Pin 6 D413
RAM /E |26 | 57| NC
VCC |27 | 58| VCC
---+---

Pin #23 -> ROM /CE and RAM /OE (connected together)
Pin #49 -> ROM /OE
Pin #54 -> RAM /WE

02. Cartridge Connector HiROM:


 
---+---
GND |05 | 36| GND
A11 |06 | 37| A12
A10 |07 | 38| A13
A9 |08 | 39| A14
A8 |09 | 40| A15
A7 |10 | 41| A16
A6 |11 | 42| A17
A5 |12 | 43| A18
A4 |13 | 44| A19
A3 |14 | 45| A20
A2 |15 | 46| A21
A1 |16 | 47| A22
A0 |17 | 48| A23
/IRQ |18 | 49| /OE
D0 |19 | 50| D4
D1 |20 | 51| D5
D2 |21 | 52| D6
D3 |22 | 53| D7
/CE |23 | 54| /WE
Pin 1 D413 |24 | 55| Pin 2 D413
Pin 7 D413 |25 | 56| Pin 6 D413
RAM /E |26 | 57| NC
VCC |27 | 58| VCC
---+---


Pin #23 -> ROM /CE and RAM /OE (connected together)
Pin #49 -> ROM /OE
Pin #54 -> RAM /WE

03. Mask ROM Pinout:


 
__ __
A20 | \/ | +5V
A21 |__ __| A22
A17 |01\/32| +5V
A18 |02 31| /OE
A15 |03 30| A19
A12 |04 29| A14
A7 |05 28| A13
A6 |06 27| A8
A5 |07 26| A9
A4 |08 25| A11
A3 |09 24| A16
A2 |10 23| A10
A1 |11 22| /CE
A0 |12 21| D7
D0 |13 20| D6
D1 |14 19| D5
D2 |15 18| D4
GND |16 17| D3
------

/CE connected to SNES pin #23
/OE connected to SNES pin #49 or Address Decoder


04. SRAM (2KB) 6216 Pinout:


 
__ __
A7 |01\/24| +5V
A6 |02 23| A8
A5 |03 22| A9
A4 |04 21| /WE
A3 |05 20| /OE
A2 |06 19| A10
A1 |07 18| /CE
A0 |08 17| D7
D0 |09 16| D6
D1 |10 15| D5
D2 |11 14| D4
GND |12 13| D3
------

/CE connected to Address Decoder
/OE connected to /CE in ROM
/WE connected to SNES pin #54

05. SRAM (8KB) 6264 Pinout:


 
__ __
+5V |01\/28| +5V
A12 |02 27| /WE
A7 |03 26| NC
A6 |04 25| A8
A5 |05 24| A9
A4 |06 23| A11
A3 |07 22| /OE
A2 |08 21| A10
A1 |09 20| /CE
A0 |10 19| D7
D0 |11 18| D6
D1 |12 17| D5
D2 |13 16| D4
GND |14 15| D3
------

/CE connected to Address Decoder
/OE connected to /CE in ROM
/WE connected to SNES pin #54
#26 connected to SNES pin #26 (RESET)

06. Address Decoder MAD-1 Pinout (ILLUSION OF TIME)


 
__ __
NC |01\/16| NC
RAM /CE |02 15| A13
NC |03 14| A14
ROM /OE |04 13| A21
+5V |05 12| A22
+5V |06 11| SNES #49
+5V |07 10| GND
GND |08 09| SNES #26 and RAM #26 (only in 6264)
------

07. Address Decoder MAD-1 Pinout (NBA LIVE 95)


 
__ __
ROM2 /OE |01\/16| ROM1 /OE
RAM /CE |02 15| SNES #40
NC |03 14| A19
NC |04 13| A20
+5V |05 12| A21
+5V |06 11| SNES #49
+5V |07 10| GND
GND |08 09| SNES #26 and RAM #26 (only in 6264)
------

08. Address Decoder 74LS00 Pinout (SOCCER SHOOTOUT)


  
__ __
+5V |01\/14| +5V
SNES #49 |02 13| A20
NC |03 12| +5V
NC |04 11| NC
A20 |05 10| NC
ROM2 /OE |06 09| NC
GND |07 08| ROM1 /OE
------


Pins #03, #04, #09 connected together (NC)
Pins #05, #13 connected together (A20)
Pins #11, #10 connected together (NC)

09. Address Decoder 74LS00 Pinout (JUSTICE LEAGUE TASK FORCE)


 
__ __
+5V |01\/14| +5V
SNES #49 |02 13| A21
NC |03 12| NC
+5V |04 11| ROM2 /OE
A21 |05 10| NC
NC |06 09| NC
GND |07 08| ROM1 /OE
------


Pins #03, #12, #10 connected together (NC)
Pins #05, #13 connected together (A21)
Pins #06, #09 connected together (NC)

10. Address Decoder 74LS00 Pinout (EARTHWORM JIM 2 - PIRATE)


 
__ __
SNES #49 |01\/14| +5V
SNES #49 |02 13| A21
NC |03 12| NC
A21 |04 11| ROM2 /OE
A21 |05 10| NC
NC |06 09| NC
GND |07 08| ROM1 /OE
------


Pins #03, #12, #10 connected together (NC)
Pins #04, #05, #12 connected together (A21)
Pins #06, #09 connected together (NC)
Pins #01, #02 connected together (#49)

11. Address Decoder 74LS139 Pinout (SUPER MARIO WORLD)


 
__ __
SNES #49 |01\/16| +5V
A21 |02 15| NC
A20 |03 14| A19
ROM /OE |04 13| NC
NC |05 12| NC
NC |06 11| NC
NC |07 10| NC
GND |08 09| RAM /CE
------


Pins #07, #15 connected together (NC)

12. Address Decoder 74LS139 Pinout (MORTAL KOMBAT 2 - PIRATE 3MB VERSION)


 
__ __
SNES #23 |01\/16| +5V
A21 |02 15| NC
GND |03 14| NC
ROM1 /OE or /CE |04 13| NC
ROM2 /OE or /CE |05 12| NC
NC |06 11| NC
NC |07 10| NC
GND |08 09| NC
------

13. Address Decoder 74LS00 Spec.


 
__ __
1A |01\/14| +5V
1B |02 13| 4B
1Y |03 12| 4A
2A |04 11| 4Y
2B |05 10| 3B
2Y |06 09| 3A
GND |07 08| 3Y
------

14. Address Decoder 74LS139 Spec.


 
__ __
1E |01\/16| +5V
1A0 |02 15| 2E
1A1 |03 14| 2A0
1Y0 |04 13| 2A1
1Y1 |05 12| 2Y0
1Y2 |06 11| 2Y1
1Y3 |07 10| 2Y2
GND |08 09| 2Y3
------

2001 siudym@pf.pl

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