Loki: Difference between revisions

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'''Loki''' is the 65nm version of the [[XCPU]] used in the [[Xbox 360]]. It is the successor to [[Waternoose]] and has a drastically reduced 41W TDP. As such, the power regulation and thermal solution requirements are significantly reduced.
'''Loki''' is the 65nm version of the [[XCPU]] and is used on [[Falcon]], [[Jasper]], and [[Tonasket]] motherboards. It is the successor to [[Waternoose]] and has a drastically reduced 41W TDP. As such, the power regulation and thermal solution requirements are significantly reduced.


== Specifications ==
== Specifications ==

Revision as of 20:00, 3 April 2023

Loki
X812480-007.jpg
Part NumberX812480
IntroducedLate 2007
Designed ByIBM
Microsoft
TypeXCPU
Used InFalcon
Jasper
Tonasket
Clock Speed3.2GHz
CacheL1: 32KB/32KB
L2: 1MB
Instruction SetPowerPC RISC
Cores3
Threads6
Process65nm
TDP41W
PackageFlip-chip BGA783
PredecessorWaternoose
SuccessorValhalla

Loki is the 65nm version of the XCPU and is used on Falcon, Jasper, and Tonasket motherboards. It is the successor to Waternoose and has a drastically reduced 41W TDP. As such, the power regulation and thermal solution requirements are significantly reduced.

Specifications

  • 3 two-way SMD-capable RISC cores clocked at 3.2GHz
  • SIMD: Two VMX128 units
  • 32KB L1 data cache
  • 32KB L1 instruction cache
  • 1MB L2 cache at 1.6 GHz with a 256-bit bus
  • 21.6GB/s FSB
  • 768 bits of IBM eFUSE One-Time-Program memory for fusesets
  • One-Time-Programmable ROM and 64KB SRAM for the 1BL and Config Ring
  • Big-endian architecture
  • 65nm process
  • 41W TDP

Details

  • Part Number: X812480
  • Foundries:
    • Canada Foundry