Winchester

The Winchester is the successor to the Corona Stingray. It is the final Xbox 360 motherboard and is used in the Xbox 360 E.

Notable Differences

• The 45nm Valhalla GPU has been replaced with the Winchester CGPU which has the eDRAM included in the CGPU die
• All voltage regulation circuits have been drastically simplified with updated components
• ST NAND128W3A2BN6 nand chip is no longer used
• Toshiba THGBM5G5A1JBAIR eMMC is no longer used (unconfirmed)
• The board layout has been simplified and cleaned up
• Many unpopulated circuits have been completed removed (such as Audible Feedback)

Specifications

• IBM/ATi Winchester CGPU CGPU with integrated eDRAM
• 512MB DDR3 RAM
  • 4x128MB Samsung K4J10324KG-HC14
  • 4x128MB Winbond W641GG2KB-14
• KSB Southbridge
• Nand
  • 16MB SK Hynix HY27US08281A
  • 4GB SK Hynix H26M31002GPR eMMC