HDD: Difference between revisions

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imported>Jamiec
(Created page with 'File:Hard Disk front.jpg The Xbox 360 harddisk, a Samsung HM020GIFile: Xbox Hard Disk Connector.jpg MISSING The hard disk inside its caseFile: Hooked up to a PC.jpg MISSING T…')
 
imported>Jamiec
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  Hard disk at bios screen.jpg MISSING
  Hard disk at bios screen.jpg MISSING
A PC showing the xbox 360 harddisk as recognised
A PC showing the xbox 360 harddisk as recognised
=== General Information ===
*The drive is manufactured by Samsung (Seagate Drives have been used in some systems. Unknown if contents are the same) and is required to play backward compatible Xbox games.
*Samsung details:
:*Model: SAMSUNG HM020GI
:*Revision: YU100-06
:*Serial Number: S0A8J20YA44356 (of course this is different for every HD)
:*Capacity: 18.63 GB
*Seagate details:
:*Model: ST920217AS
:*Revision: 3.01/LD25.1
:*Capacity: 20 GB
*Hitachi details:
:*Model: HTS541020G9SA00 (Travelstar)
:*Revision: C60D
:*Capacity: 20 GB
:*Vendor Support URL: [1]
=== Confirmed Facts ===
*The harddisk is not locked in any way. A completely zero drive will only be read by the Xbox 360 if the relevent headers are in place on the disk.
*A FATX partition exists on the drive
*For a drive to be considered valid it must have the 'Plain text hard disk info' and MS logo PNG. If these elements do not exist then no HDD is detected. So there is no way for third parties to manufacture hard disks without a license or without infringing Microsoft's copyright. (The Gameboy used the same idea for cartridges). US courts have held (in at least four separate cases) that Copyright cannot be used to prevent interoperation.
*The 360's serial number is required when formatting a HDD.
*The drive's capacity is reported as 13GB by the 360 immediately after formatting (20Gb HDD only).
=== Speculation ===
*There is no information at this time that leads us to believe the harddrive is encrypted, there are plenty of clear text entries that can be read.
*The FATX partitions on the drive seem to be a Big Endian version of the 1st Generation XBOX's FATX filesystem. Work is underway to modify the linux kernel driver to verify this. There is some initial support for this file system in [CVS].
== Drive contents ==
TO BE PUT IN A TABLE SOON
Address  Length (bytes)  Contains 
0x0000  8192  Null (0x00) 
0x2000  68  Plain text hard disk info (includes hdd serial, changes from hdd to hdd) 
0x2044  20  Static Binary Info (doesn't change from hdd to hdd) 
0x2058  4  Dynamic Binary Info (changes between different types of hdd (20gb, 60gb, 120gb)) 
0x205C  256  Dynamic Binary Data (changes from hdd to hdd) 
0x2202  2  Size of following PNG file 
0x2204  2754  MS logo in PNG format, made with Macromedia Fireworks MX 2004 on the 19th of July 2005 
== FATX Partition Locations ==
=== Pre Live Update ===
Address  Type 
0x80200  FATX16 
0x130EB0000  FATX32 
[edit] Post Live Update
Address  Description  Format 
0x80000  Cache Partition  FATX 
0x80080000  Game Cache Partition  STFC 
0x120EB0000  Xbox Backwards compatibility drive  FATX 
0x130EB0000  Main Xbox 360 Partition  FATX 
[edit] HDD Info Structure
Address  Length (bytes)  Contains 
0x2000  0x14  Drive Serial # padded with spaces 
0x2014  0x08  Firmware Rev 
0x201C  0x28  Drive Model, padded with spaces 
=== Sata power connector ===
  File:Satapinout3.jpg MISSING
A large view pinout referencing the internal ata adapter to the external onePin #  Signal Name  On XBOX 360  Signal Description 
1  V33  Not connected  3.3V Power 
2  V33  Not connected  3.3V Power 
3  V33  Not connected  3.3V Power, Pre-charge, 2nd mate 
4  Ground  Connected  1st Mate, Pre-charge, 2nd mate 
5  Ground  Connected  2nd Mate 
6  Ground  Connected  3rd Mate 
7  V5  Connected  5V Power 
8  V5  Connected  5V Power 
9  V5  Connected  5V Power 
10  Ground  Connected  2nd Mate 
11  Reserved Not connected  - 
12  Ground  Connected  1st Mate 
13  12V  Not connected  1st Mate, Pre-charge, 2nd mate 
14  12V  Not connected  2nd Mate 
15  12V  Not connected  3rd Mate 
This (probably) explains why normal 3.5" sata drives won't even spin up (missing 12V). So if you want to use a 3.5" drive you need to connect your own 12V.
This table plus more info can be found in the electrical specification here (the table is found on page 178, table 17):
1.http://www.sata-io.org/docs/PHYii%20Spec%20Rev%201_0%20052604.pdf
== External Links ==
1.http://watertastesgood.com/xbox/delta.py Tool to help do binary diffs of HDD images, courtesy of Daeken
2.http://www.xbox-linux.org/wiki/Xbox_Partitioning_and_Filesystem_Details
3.http://www.xbox-linux.org/wiki/Differences_between_Xbox_FATX_and_MS-DOS_FAT

Revision as of 03:08, 12 March 2010

File:Hard Disk front.jpg The Xbox 360 harddisk, a Samsung HM020GIFile: 

Xbox Hard Disk Connector.jpg  MISSING

The hard disk inside its caseFile: 

Hooked up to a PC.jpg MISSING

The harddisk hooked up to a PCFile: 

Hard disk at bios screen.jpg MISSING

A PC showing the xbox 360 harddisk as recognised


General Information

  • The drive is manufactured by Samsung (Seagate Drives have been used in some systems. Unknown if contents are the same) and is required to play backward compatible Xbox games.
  • Samsung details:
  • Model: SAMSUNG HM020GI
  • Revision: YU100-06
  • Serial Number: S0A8J20YA44356 (of course this is different for every HD)
  • Capacity: 18.63 GB
  • Seagate details:
  • Model: ST920217AS
  • Revision: 3.01/LD25.1
  • Capacity: 20 GB
  • Hitachi details:
  • Model: HTS541020G9SA00 (Travelstar)
  • Revision: C60D
  • Capacity: 20 GB
  • Vendor Support URL: [1]

Confirmed Facts

  • The harddisk is not locked in any way. A completely zero drive will only be read by the Xbox 360 if the relevent headers are in place on the disk.
  • A FATX partition exists on the drive
  • For a drive to be considered valid it must have the 'Plain text hard disk info' and MS logo PNG. If these elements do not exist then no HDD is detected. So there is no way for third parties to manufacture hard disks without a license or without infringing Microsoft's copyright. (The Gameboy used the same idea for cartridges). US courts have held (in at least four separate cases) that Copyright cannot be used to prevent interoperation.
  • The 360's serial number is required when formatting a HDD.
  • The drive's capacity is reported as 13GB by the 360 immediately after formatting (20Gb HDD only).

Speculation

  • There is no information at this time that leads us to believe the harddrive is encrypted, there are plenty of clear text entries that can be read.
  • The FATX partitions on the drive seem to be a Big Endian version of the 1st Generation XBOX's FATX filesystem. Work is underway to modify the linux kernel driver to verify this. There is some initial support for this file system in [CVS].

Drive contents

TO BE PUT IN A TABLE SOON

Address  Length (bytes)  Contains  
0x0000  8192  Null (0x00)  
0x2000  68  Plain text hard disk info (includes hdd serial, changes from hdd to hdd)  
0x2044  20  Static Binary Info (doesn't change from hdd to hdd)  
0x2058  4  Dynamic Binary Info (changes between different types of hdd (20gb, 60gb, 120gb))  
0x205C  256  Dynamic Binary Data (changes from hdd to hdd)  
0x2202  2  Size of following PNG file  
0x2204  2754  MS logo in PNG format, made with Macromedia Fireworks MX 2004 on the 19th of July 2005


FATX Partition Locations

Pre Live Update

Address  Type  
0x80200  FATX16  
0x130EB0000  FATX32  
[edit] Post Live Update 
Address  Description  Format  
0x80000  Cache Partition  FATX  
0x80080000  Game Cache Partition  STFC  
0x120EB0000  Xbox Backwards compatibility drive  FATX  
0x130EB0000  Main Xbox 360 Partition  FATX  
[edit] HDD Info Structure 
Address  Length (bytes)  Contains  
0x2000  0x14  Drive Serial # padded with spaces  
0x2014  0x08  Firmware Rev  
0x201C  0x28  Drive Model, padded with spaces

Sata power connector

 File:Satapinout3.jpg MISSING

A large view pinout referencing the internal ata adapter to the external onePin # Signal Name On XBOX 360 Signal Description 

1  V33  Not connected  3.3V Power  
2  V33  Not connected  3.3V Power  
3  V33  Not connected  3.3V Power, Pre-charge, 2nd mate  
4  Ground  Connected  1st Mate, Pre-charge, 2nd mate  
5  Ground  Connected  2nd Mate  
6  Ground  Connected  3rd Mate  
7  V5  Connected  5V Power  
8  V5  Connected  5V Power  
9  V5  Connected  5V Power  
10  Ground  Connected  2nd Mate  
11  Reserved Not connected  -  
12  Ground  Connected  1st Mate  
13  12V  Not connected  1st Mate, Pre-charge, 2nd mate  
14  12V  Not connected  2nd Mate  
15  12V  Not connected  3rd Mate

This (probably) explains why normal 3.5" sata drives won't even spin up (missing 12V). So if you want to use a 3.5" drive you need to connect your own 12V.

This table plus more info can be found in the electrical specification here (the table is found on page 178, table 17):

1.http://www.sata-io.org/docs/PHYii%20Spec%20Rev%201_0%20052604.pdf

External Links

1.http://watertastesgood.com/xbox/delta.py Tool to help do binary diffs of HDD images, courtesy of Daeken 2.http://www.xbox-linux.org/wiki/Xbox_Partitioning_and_Filesystem_Details 3.http://www.xbox-linux.org/wiki/Differences_between_Xbox_FATX_and_MS-DOS_FAT

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