Hacking the Xbox

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262 Hacking the Xbox: An Introduction to Reverse Engineering ATA Connector Pinout The Xbox uses the standard Advanced Technology Attachment (ATA) bus to communicate with its hard drive and DVD drive. The ATA bus is popularly (but technically improperly) referred to as the IDE (Integrated Drive Electronics) bus. Most drives today qualify as IDE-style drives; for example, SCSI drives also feature integrated drive electronics. However, years of (mis-) use have made the term IDE synonymous with the ATA bus. Table F-5 gives the pinout of the ATA connector, as viewed on the Xbox motherboard looking down on the connector with the back of the Xbox toward the viewer (the connector should be on the right hand side). Note how the pin numbering zig-zags with all the odd pins on one side and the even pins on the other. Pin Name Comment Pin Name Comment 1 Reset 2 Ground 3 Data 7 4 Data 8 5 Data 6 6 Data 9 7 Data 5 8 Data 10 9 Data 4 10 Data 11 11 Data 3 12 Data 12 13 Data 2 14 Data 13 15 Data 1 16 Data 14 17 Data 0 18 Data 15 19 Ground 20 Key Blank pin for polarizing 21 DMARQ DMA Request 22 Ground 23 DIOW- I/O Write 24 Ground 25 DIOR- I/O Read 26 Ground 27 IORDY I/O Ready 28 CSEL Cable Select 29 DMACK- DMA Acknowledge 30 Ground 31 INTRQ Interrupt Request 32 IOCS16- 16 bit I/O 33 DA1 Device Address Bit 1 34 PDIAG- Passed Diagnostics 35 DA0 Device Address Bit 0 36 DA2 Device Address Bit 2 37 CS0- Chip Select 0 Dev. Active/Slave 38 CS1- Chip Select 1 39 DASP- Present 40 Ground Table F-5: ATA connector pinout.
DVD-ROM Power Connector Appendix F - Xbox Hardware Reference 263 The Xbox uses a proprietary DVD-ROM power connector. This connector not only brings power, but it also carries a few control and status signals. These signals convey information about the state of the drive and the drive tray. The pinouts given here are from the Xboxhacker BBS, and the original post by Ken Gasper that this pinout is based on can be found at http://www.xboxhacker.net/forums/ index.php?act=ST&f=5&t=1025&s=0755f2b600975b776552f93d0730e4b1 1 2 12 Figure F-6: DVD-ROM power connector pin numbering, as viewed looking down at the Xbox motherboard. The connector pin numbering, as viewed looking down at the Xbox motherboard, can be found in Figure F-6, and the pinout in Table F-6. Pin Name Comment Pin Name Comment 1 12VDC +12 Volts power Current return, 2 5VDC +5 Volts power 3 GND reference 4 EJECT- Active low tray eject 5 TS0 Traystate status 0 6 TS1 Traystate status 1 7 TS2 Traystate status 2 8 ACTIVITY- Disk seek/data transfer 9 12VDC +12 Volts power 10 5VDC +5 Volts power Current return, Current return, 11 GND reference 12 GND reference 13 Key Not connected Blank for polarizing Table F-6: DVD power connector pinout (viewed on motherboard). 13
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Hacking the Xbox An Introduction to
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The US government is far and away t
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Hacking the Xbox An Introduction to
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In memory of Aaron Swartz
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x Hacking the Xbox: An Introduction
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xii Hacking the Xbox: An Introducti
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Acknowledgments I would like to tha
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CHAPTER 4 Building a USB Adapter Ca
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Strategy Chapter 4 - Building a USB
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Chapter 4 - Building a USB Adapter
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CHAPTER 5 Replacing a Broken Power
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Chapter 5 - Replacing a Broken Powe
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Strategy Chapter 5 - Replacing a Br
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Figure 5-6: The final cable assembl
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CHAPTER 8 Reverse Engineering Xbox
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Chapter 8 - Reverse Engineering Xbo
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clearance for motherboard component
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CHAPTER 9 Sneaking in the Back Door
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Chapter 9 - Sneaking in the Back Do
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Note Chapter 9 - Sneaking in the Ba
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CHAPTER 11 Developing Software for
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Chapter 11 - Developing Software fo
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CHAPTER 12 Caveat Hacker Reverse en
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Chapter 12 - Caveat Hacker 175 tech
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Chapter 12 - Caveat Hacker 177 type
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Chapter 12 - Caveat Hacker 179 art
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Chapter 12 - Caveat Hacker 183 Also
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Chapter 12 - Caveat Hacker 191 his
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Hacking the Xbox

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