Winchester
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 4GB SKU | |
| Part Number | X879957 |
|---|---|
| Introduced | Late 2014 |
| Used In | Xbox 360 E |
| CGPU Type | Winchester CGPU |
| CGPU Process | Unknown |
| Nand Size | 16MB or 4GB |
| Video Outputs | Composite and HDMI |
| Wattage | 120W |
| 12V Amperage | 9.6A |
| Predecessor | Stingray |
Winchester is the successor to Stingray. It is the final 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
- SK Hynix H26M31002GPR eMMC has been replaced with SK Hynix H26M31001HPR
- 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 with integrated NEC eDRAM
- 512MB GDDR3 RAM
- 4x128MB Samsung K4J10324KG-HC14
- 4x128MB Winbond W641GG2KB-14
- KSB Southbridge
- Nand
- 16MB SK Hynix HY27US08281A
- 4GB SK Hynix H26M31001HPR eMMC
- Short Slug Heatsink