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• Eric van den Hurck

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XBOX 360 Southbridge Datasheet

Version 1.3

Disclaimer The information contained in this document was obtained from the public domain and/or my own reverse engineering and is provided in good faith but no warranty can be made for its accuracy. Any opinions expressed are entirely those of myself and cannot be taken to represent the views of past, present or future employers. I do not support piracy or the illegal copying of copyright material. I'm only seeking the ability to run custom software and push the hardware to it's maximum potential. Remember that a profitable game industry will guarantee us all amazing products for the future. If you notice something incorrect or have any comment, please feel free to contact me. Speedy22 [email protected]

Table of Content XBOX 360 Southbridge Pinout . . . . . . . . . . . . . . . Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . Schematics. . . . . . . . . . . . . . . . . . . . . . . . . . Test Points . . . . . . . . . . . . . . . . . . . . . . . . . Test Points Chart . . . . . . . . . . . . . . . . . . . . . . .

4 5 6 7 8 9

Appendix Document Changes

10

. . . . . . . . . . . . . . . . . . . .

A

B

1

2B U1B2(35)

2

3

3A U1B2(38)

3B U1B2(37)

C

D

E

F

1C U1B2(31)

1D U1B2(28)

1E U1B2(26)

1F DB1P2

2C U1B2(32)

2D U1B2(29)

2E U1B2(27)

2F CTRL(l/h)

3C U1B2(34)

G

H

J

K

L

M

N

P

R

T

U

V

W

Y

1G

1H FILTER1

1J U3B4(10)

1K U3B4(11)

1L supply

1M DVD(A-)

1N DVD (A+)

1P

1R

1T FILTER3

1U FILTER3

1V U2E1(R/B)

1W U2E1(CLE)

1Y U2E1(WP)

100mhz x?

100mhz x?

SATA

SATA

NAND

NAND

NAND

2M supply

2N supply

2P HDD(A-)

2R HDD(A+)

2T

2U

2V U2E1(R/E)

2W U2E1(ALE)

2Y U2E1(7)

2AA U2E1(6)

SATA

SATA

NAND

NAND

NAND

NAND

3P

3R

3U J1D2(3)

3V U2E1(CE)

3W U2E1(WE)

3Y U2E1(5)

3AA U2E1(4)

3AB U2E1(3)

SPI

NAND

NAND

NAND

NAND

NAND

4U

4V

4W

3.3VDC standby

3.3VDC standby

3.3VDC standby

4Y U2E1(2)

4AA U2E1(1)

4AB U2E1(0)

NAND

NAND

NAND

5U

5V

5W

3.3VDC standby

3.3VDC standby

3.3VDC standby

5Y J1D2(1)

5AA J1D2(2)

5AB J1D2(4)

SPI

SPI

SPI

6D

6V

6W

6Y

6AA

6AB

7D

7V

7W

7Y

7AA J1A1(13)

7AB J1A1(14)

USB(D-)

USB(D+)

8AA

8AB

9AA J3G1(3)

9AB J3G1(4)

USB(D-)

USB(D+)

10AA

10AB

3D U1B2(30)

3E DB1P1

3F U1B2(23)

CTRL(3.3)

2G CTRL(.5)

2H FILTER1

3G CTRL(.5)

3H U3B4(7)

2J FILTER2

3J FILTER2

2K supply

3K supply

25mhz

4

5

6

4A U1B2(41)

4B U1B2(40)

4C U1B2(39)

4D

5A U1B2(44)

5B U1B2(43)

5C U1B2(42)

5D

6A DB1N5

6B CTRL

7A U2B1(3)

7B U2B1(2)

6C J2A1(25)

4E

4F

4G CTRL(3.3)

4H CTRL(F/L)

4J supply

4K supply

5G supply

2L supply

3L DVD(B+)

3M DVD(B-)

SATA

SATA

4L supply

4M supply

5L supply

5M supply

3N supply

4N HDD(B+)

4P HDD(B-)

SATA

SATA

5N supply

5P supply

4R

5R supply

3T

4T

5T supply

AA

AB

SPDIF

7

8

9

10

11

12

8A ANA(14)

8B U2B1(4)

7C U2B1(13)

8C DB

8D

8H

9A DB2N5

9B DB2N6

9C DB

9D DB

9E supply

9H

10A DB2N11

10B DB2N3

10C DB2N4

10D DB

10E supply

11A DB2N9

11B DB2N10

11C DB2N12

11D DB

11E supply

8J

8K

8L

GND

GND

9J

9K

9L

GND

GND

GND

10H

10J

10K

10L

GND

GND

GND

GND

11H

11J

12A CTRL(l/h)

12B CTRL(l/h)

12C DB2N7

12D DB

12E supply

12H

13A CTRL(l/h)

13B U2B1(12)

13C J2A1(19)

13D DB

13E supply

13H GND

14A CR2A1(5)

14B CR2A1(5)

14C ANA(128)

14D J2B1(2)

14E supply

14H

15A supply

15B DB2N8

15C R2P2

15E

15H

12J

8M

8N

8P

8R

8V

GND

9M

9N

9P

GND

GND

10M

10N

GND

GND

9Y

10P

10R

10V

GND

GND

10W usb?

10Y usb?

11R

11V

11W

11Y

11L

11M

11N

11P

GND

GND

GND

12L

12M

12N

GND

GND

13J

13K

13L

13M

GND

GND

GND

GND

14M

USB(D+)

9W

GND

GND

USB(D-) 9V

11K

12K

8Y J3G1(9)

9R

GND

GND

8W J3G1(8)

12P

12R

12V

12W

13N

13P

13R

13V

13W

GND

GND

GND

14R

14V

14W

11AA J6G1(2)

11AB J6G1(3)

USB(D-)

USB(D+)

12AA

12AB

13Y

13AA

13AB

14Y

14AA

14AB

12Y U3B4(24) 48mhz

13

14

14J

14K

14L

GND

GND

GND

14N

14P

GND

GND

15N

15P

3.3VDC standby

UART-TX

15

15D J2B1(1) UART-RX

16

17

18

16A IR

17A ANA(85)

18A J1D1(3)

16B J2B1(4)

16C J2B1(6)

UART-TX?

Ctr?

17B ANA(82)

17C J2B1(5)

18B J1D1(4)

Open/Close Tray Status

19

19A J2A1(23)

19B A/V

20

21

22

15K

15L

GND

GND

15M

15R

15V

GND

15Y

15AA J9G1(7)

15AB J9G1(6)

USB(D+)

USB(D-)

16AA

16AB

16D

16E

16V

3.3VDC standby

3.3VDC standby

16W J9G1(3)

16Y J9G1(2)

USB(D+)

USB(D-)

17W

17Y

17AA USB?

17AB USB?

18W usb?

18Y usb?

18AA

18AB

19Y

19AA TILT

19AB SW1G1

20AB u4v1(0/1)

17D

17E

17V

Eject

3.3VDC standby

3.3VDC standby

3.3VDC standby

18C J2B1(11)

18D A/V?

Pwr/Rst 19C J2B1(9)

15W

3.3VDC standby

3.3VDC standby

19D

SMB-SDA

3.3VDC standby

20A J2B1(10)

20B J2A1(28)

20C J2A1(20)

20D J1F1(3)

SMB-SCK

CBL-ID3.1

CBL-ID1.1

DBG-LED1

SDA

15J

3.3VDC standby

3.3VDC standby

18E

18F

3.3VDC standby

3.3VDC standby

18G

18H

18J

18M

19E U8N1(29)

19F ana(139)

19G R2P15

19H R2P15

20E Ana(122)

20F power on

20G

20H

20J GPU(14D)

20K

20L

20M PCI(TX)

21E U1F1(0/1)

21F U8N1(31)

21G DB2P9

21H CPU(2AJ)

21J GPU(11E)

21K

21L U3B4(13)

22F ana(138)

22G DB

22H CPU(16AF)

22J J6G1(7)

22K

18N

18P

18R

18T

18U

19J J6G1(6)

19K

19L

19M

19N

19P PCI(TX)

19R PCI(TX)

19T

19U

21B J2A1(24)

21C J1F1(6)

21D J1F1(4)

DBG-LED4

DBG-LED2

22C J2A1(21)

22D J1F1(5)

22E J6G1(5)

SCLK

DBG-LED3

Pwr-on/off

DB

19V

20N PCI(TX)

20P

20R

20T

20U DB2P15

20V R2P16

20W J2D1(5)

20Y RF Connect

20AA u4v1(0/1)

21M

21N

21P

21R PCI(RX)

21T PCI(RX)

21U suppply

21V J2D1(1)

21W J2D1(4)

21Y U7U1(11)

21AA CR1D1(2)

22M

22N PCI(RX)

22P PCI(RX)

22R

22T

22U

22V J2D1(3)

22W J2D1(2)

3.3VDC standby

SDA

CBL-ID2.1

18V 3.3VDC standby

19W supply

100mhz x?

SCLK

22L U3B4(14) 100mhz x?

supply

22Y U7U1(10) Core/PGD

Legend

Inner Block Diagram

Not in this Public Release

Connection Schematics

Not in this Public Release

Power

U8N1(29) U8N1(31) U7U1(10) U7U1(11) U4V1(10) U4V1(11) U1F1

Description

Where to connect probe

FSB & IO Bucky FSB & IO Bucky Core Power Good Core Power Enable GPU/RAM Power Enable DVD/HD/eFuse Power Enable Power

U8N1(Pin 29) U8N1(Pin 31) U7U1(Pin 10) U7U1(Pin 11) U4V1(Pin 10) U4V1(Pin 11) 2 or 3

0/1 0/1 0/1 0/1 0/1 0/1 0/1

CPU

CPU(2AJ) CPU(16AF)

See Diagram Point "A" See Diagram Point "B"

0/1 0/1

GPU

GPU(11E) GPU(14D)

See Diagram Point "C" See Diagram Point "D"

0/1 0/1

ANA

Ana(122) Ana(138) Ana(139)

Ana(Pin 122) Ana(Pin 138) Ana(Pin 139)

Harddrive

CR1D1(2)

ON/OFF

Power on

Hard Drive

CR1D1(Pin 2)

0/1

See Diagram Point "E"

0/1

Appendix Document Version Version 1.3 Feb 01, 2007

Current Document

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