Hardware Revisions

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There are different retail Xbox hardware revisions:

  • Xbox 1.0
    • USB controller is on a separate PCB
    • GPU has a fan on the heat sink
  • Xbox 1.1
    • USB controller moved onto the motherboard
    • Fan removed from the GPU heat sink
  • Xbox 1.2
  • Xbox 1.3
  • Xbox 1.4
  • Xbox 1.5
  • Xbox 1.6
    • Removed data and power lines from LPC port
    • Xyclops chip (includes ROM instead of flash = BIOS no longer flashable)
    • Microsoft later switched to lower quality Hynix RAM. These Xboxes with non-Samsung RAM are sometimes referred to as 1.6b by the modding community.

You can find more information about the hardware used in each revision below.

History of Xbox 1.5

Possibly never existed[citation needed], but will otherwise be very rare. Production was halted and 1.4 was produced again[citation needed].


Identifying

While not definitive, here are some ways to help identify the revision of your Xbox.

Manufacturing Details

Date Range Revision Location
01/2001-10/2002 1.0 Hungary
11/2002-04/2003 1.1 Hungary, Mexico
05/2003-03/2004 1.2 China
04/2004 Onward 1.6 China, Taiwan

Serial Number

The serial number looks like this:

LNNNNNN YWWFF

  • L is the production line
  • NNNNNN is the number produced that week
  • Y is the last digit of the production year
  • WW is the number of the week
  • FF is the factory code

Note, this table contradicts the previous table.

Factory Location Revision
02 Mexico 1.0 or 1.1
03 Hungary 1.0
05 China 1.2 or later
06 Taiwan 1.2 or later
Serial Number Revision
LNNNNNN 20WFF 1.0
LNNNNNN 21WFF 1.0
LNNNNNN 23WFF 1.0 or 1.1
LNNNNNN 24WFF 1.1
LNNNNNN 25WFF 1.1
LNNNNNN 30WFF 1.2
LNNNNNN 31WFF 1.3
LNNNNNN 32WFF 1.3
LNNNNNN 33WFF 1.4 or 1.5
LNNNNNN 42WFF 1.6

DVD Drive

There are four retail drives known to be used by Microsoft in the retail version of the console. any Xbox DVD drive can be used in any retail xbox.

List of Xbox DVD Drive manufacturers

  • Thomson (Xbox 1.0)
  • Philips (Xbox 1.2)
  • Samsung (Xbox 1.3)
  • Hitachi-LG (8050L)(mainly 1.6?)

Xbox DVD Drive determination

Hitachi-LG GDR-8050L

This DVD-rom drive, most commonly found in Xbox 1.6 and 1.6b is reading DVD-+R, DVD-RW and CDRW media, but fails to boot most CD-R discs source: xbox-hq.com Hitachi-LG GDR-8050L DVD Drive In Xbox.

on 30 January 2006 TheSpecialist posted at Xboxhacker.net that he succesfully flashed a Hitachi drive to boot a copied game on a unmodded xbox: breakthrough: XBOX 1 firmware hacked !

Hard Drive

Revision Drive Manufacturer Drive Model Number Capacity
1.0 Seagate ST310211A 10G ?
1.0 (XB:2001-10-26 FF=02) Western Digital WD80EB-00CGH0 8G
1.1 (XB:2001-10-29 FF=03) Western Digital WD80EB-28CGH1 8G
1.2 Western Digital WD80EB-28DFH2 8G
1.3+ Seagate ST10014ACE 10G

Video encoder

Video Chip Revision
Conexant 1.0, 1.1, 1.2, 1.3
Focus 1.4, 1.5
Xcalibur 1.6

EEPROM

Xbox Model Manufacturer Model
1.4 (Others?) Catalyst CAT24WC02J

MCPX Version

MCPX Version Revision
1.0 1.0
1.1 1.1 - 1.6

BIOS Version

Kernel Version Revision
3944, 4034, 4036, 4627 1.0
4817, 4972 1.1
5101, 5713 1.2 - 1.5
5838 1.6

References