Waitsburg

Corona Waitsburg

Part Number	X862605
Introduced	Early 2012
Type	Motherboard
Used In	Xbox 360 S
CGPU Type	Valhalla
CGPU Process	45nm
eDRAM Process	65nm
Nand Size	16MB or 4GB
Video Outputs	A/V and HDMI
Wattage	120W
12V Amperage	9.6A
Predecessor	Corona
Successor	Stingray

Waitsburg is the successor to Corona and is the final motherboard used in the Xbox 360 S. It is considered a revision of Corona despite having its own name.

Commonly referred to by the community (but not by Microsoft) as "Corona V3" (16MB) and "Corona V4" (4GB).

Notable Differences

• Samsung K4J10324KG-HC14 and Winbond W641GG2JB-14 RAM have been added as options
• Hynix H5RS1H23MFR-14C RAM is no longer used
• The Hynix & Phison MMC solution on 4GB SKUs has been replaced with the Hynix H26M31001FPR eMMC
• The POST_OUT traces from the CGPU have been removed
• Minor board layout changes

Specifications

• 45nm IBM/ATi Valhalla CGPU with integrated 65nm NEC eDRAM
• 512MB GDDR3 RAM
  • 4x128MB Samsung K4J10324KE-HC14
  • 4x128MB Samsung K4J10324KG-HC14
  • 4x128MB Winbond W641GG2JB-14
• KSB Southbridge
• Nand
  • 16MB Hynix HY27US08281A
  • 16MB ST NAND128W3A2BN6
  • 4GB Hynix H26M31001FPR eMMC
• Short Slug Heatsink

Variations

Stingray

Main article: Stingray

Stingray is a minor revision of Waitsburg with changes for use in the Xbox 360 E.