Tonasket: Difference between revisions

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'''Tonasket''', also known as '''Jasper_B''', is the successor to the [[Jasper_A1|Jasper]], and is the final [[motherboard]] used in the [[Original Xbox 360]] series.
'''Tonasket''', also known as '''Jasper_B''', is the successor to the [[Jasper|Jasper_A1]], and is the final [[motherboard]] used in the [[Original Xbox 360]] series.


Commonly referred to by the community (but not by Microsoft) as "Kronos", a reference to the GPU used.
Commonly referred to by the community (but not by Microsoft) as "Kronos", a reference to the GPU used.

Revision as of 23:18, 6 April 2024

Tonasket/Jasper_B
X820379-001.jpg
Part NumberX820379
IntroducedLate 2009
Used InXbox 360 (Original)
CPU TypeLoki
GPU TypeKronos
CPU Process65nm
GPU Process65nm
eDRAM Process65nm
Nand Size16MB, 512MB
Video OutputsA/V and HDMI
Wattage150W
12V Amperage12.1A
PredecessorJasper
SuccessorTrinity

Tonasket, also known as Jasper_B, is the successor to the Jasper_A1, and is the final motherboard used in the Original Xbox 360 series.

Commonly referred to by the community (but not by Microsoft) as "Kronos", a reference to the GPU used.

Notable Differences

  • The Zeus GPU has been replaced with the Kronos GPU
  • Samsung K4J10324QD-HC14 RAM was added as an option
  • Hynix H5RS5223CFR-14C RAM is no longer used
  • 8x64MB RAM configurations are no longer used, but still supported by the motherboard
  • The 256MB nand chip was no longer used, only 512MB configurations were used in the Arcade SKU
  • The additional traces and pads for DUMBO/PANDA flash controller were removed
  • An alternate simplified standby circuit for V_3P3STBY and V_1P8STBY was added, but only some manufacturers used it
  • The board layout was cleaned up
  • All motherboards use the updated RF02 board
  • The extended GPU heatsink was reverted back to the low profile GPU heatsink
  • All boards now use solid state capacitors for the CPU and GPU output filters
  • There is no longer glue applied around the CPU and GPU

Specifications