Corona

Corona

Part Number	X857330 and X859085
Introduced	Mid 2011
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 Multi and HDMI
Wattage	120W
12V Amperage	9.6A
Predecessor	Trinity
Successor	Corona Waitsburg

The Corona is the successor to the Trinity and is used in the Xbox 360 S. Corona is similar to Trinity but simplifies the system significantly.

Commonly referred to by the community (but not by Microsoft) as the "Corona V1" (16MB) and "Corona V2" (4GB).

Notable Differences

• The PSB has been replaced with the KSB
• The HANA and Ethernet PHY are removed, their functionality has been integrated into the KSB
• Elpida U1032AABG-14-F RAM is no longer used
• Hynix & Phison MMC solution has been added on 4GB SKUs
• The Memory Unit daughterboard and connector were removed
• The standby voltage regulation has been redesigned
• The V_1P8STBY power rail has been replaced with V_1P2STBY
• The board layout has been simplified and cleaned up
• Clock generation now uses a 25MHz crystal and all single-ended clocks are internal to the KSB

Specifications

• 45nm IBM/ATi Valhalla CGPU with integrated 65nm NEC eDRAM
• 512MB DDR3 RAM
  • 4x128MB Hynix H5RS1H23MFR
  • 4x128MB Samsung K4J10324KE-HC14
• KSB Southbridge
• Nand
  • 16MB Hynix HY27US08281A
  • 16MB ST NAND128W3A2BN6
  • 4GB Hynix H27UBG8T2BTA with Phison PS7000 MMC controller
• Short Slug Heatsink

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 Multi and HDMI
Wattage	120W
12V Amperage	9.6A
Predecessor	Corona
Successor	Corona Stingray

The Corona Waitsburg is the successor to the Corona and is the final motherboard used in the Xbox 360 S. It is extremely similar to Corona, with a few minor differences.

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

Notable Differences

• Samsung K4J10324KG-HC14 and Winbond W641GG2JB-14 RAM have been added as options
• Hynix H5RS1H23MFR 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 DDR3 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
• Heatsink: Short Slug

Stingray

Corona Stingray

Part Number	X854326
Introduced	Mid 2013
Type	Motherboard
Used In	Xbox 360 E
CGPU Type	Valhalla
CGPU Process	45nm
eDRAM Process	65nm
Nand Size	16MB or 4GB
Video Outputs	Composite and HDMI
Wattage	120W
12V Amperage	9.6A
Predecessor	Corona Waitsburg
Successor	Winchester

The Corona Stingray is the successor to the Corona Waitsburg and is the first motherboard used in the Xbox 360 E. It is extremely similar to Waitsburg, with a few differences.

Commonly referred to by the community (but not by Microsoft) as the "Corona V5" (16MB) and "Corona V6" (4GB).

Notable Differences

• Winbond W641GG2JB-14 RAM has been replaced with Winbond W641GG2KB-14 (Rreferred to by the community as WB2K)
• Samsung K4J10324KE-HC14 RAM has been replaced with Samsung K4J10324KG-HC14
• Hynix H26M31001FPR eMMC on 4GB SKUs has been replaced with the SK Hynix H26M31002GPR
• Toshiba THGBM5G5A1JBAIR eMMC was added as an option on 4GB SKUs
• The A/V Multi port and most of its circuitry have been removed and replaced by composite video out
• The DC jack has been revised to a single barrel
• The rear triple USB port has been reduced to a dual USB port
• SPDIF has been removed from the rear I/O
• The rotation sensor has been removed, but the traces and pads are still present
• Audible Feedback has been removed, but the traces and pads are still present
• The 1575 RF board is now used
• Minor board layout changes

Specifications

• 45nm IBM/ATi Valhalla CGPU with integrated 65nm NEC eDRAM
• 512MB DDR3 RAM
  • 4x128MB Samsung K4J10324KG-HC14
  • 4x128MB Winbond W641GG2KB-14
• KSB Southbridge
• Nand
  • 16MB SK Hynix HY27US08281A
  • 16MB ST NAND128W3A2BN6
  • 4GB SK Hynix H26M31002GPR eMMC
  • 4GB Toshiba THGBM5G5A1JBAIR eMMC
• Heatsink: Short Slug