Loki: Difference between revisions

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| image_size  = 150px
| image_size  = 150px
| partnumber  = X812480
| partnumber  = X812480
| introduced  = 2007
| introduced  = Late 2007
| designedby  = IBM<br>Microsoft
| designedby  = IBM<br>Microsoft
| type        = [[XCPU]]
| type        = [[XCPU]]
| usedin      = [[Falcon]]<br>[[Jasper]]
| usedin      = [[Falcon]]<br>[[Jasper]]<br>[[Tonasket]]
| clockspeed  = 3.2GHz
| clockspeed  = 3.2GHz
| cache        = L1: 32KB/32KB<br>L2: 1MB
| cache        = L1: 32KB/32KB<br>L2: 1MB
Line 16: Line 16:
| tdp          = 41W
| tdp          = 41W
| package      = Flip-chip BGA783
| package      = Flip-chip BGA783
| predecessor  = [[Waternoose (CPU)|Waternooose]]
| predecessor  = [[Waternoose]]
| successor    = [[Valhalla (CGPU)|Vallhalla]]
| successor    = [[Vejle]]
}}
}}


'''Loki''' is the 65nm version of the [[XCPU]] used in the [[Xbox 360]]. It is the successor to [[Waternoose (CPU)|Waternooose]] and has a drastically reduced 41W TDP. As such, the power regulation and thermal solution requirements are significantly reduced. Early on, Loki was called DD3.0, a reference to Waternoose.
'''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 ==
{{CPU Specs}}
{{CPU Specs}}
* A01 [[stepping]]
* 65nm process
* 65nm process
* 41W TDP
* 41W TDP


== Details ==
== Details ==
* Part Number: X812480


* Part Number:  
== Prototypes ==
* Foundries:
Engineering Samples by [[stepping]].
** {{Foundry|f=canada}}
 
** {{Foundry|f=singapore}}
=== A00 ===
First version.
 
* Part Number: Unknown
 
=== A01 ===
Minor update. Engineering sample for the final production chip.
 
[[File:X809682-006.jpg|150px]]
[[File:X890682-006.jpg|150px]]
 
* Part Numbers:
** X809682-006
** X890682-006


{{Motherboard Components}}
{{Motherboard Components}}
[[Category:Motherboard Components]]
[[Category:Motherboard Components]]

Latest revision as of 15:06, 24 April 2024

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
SuccessorVejle

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
  • A01 stepping
  • 65nm process
  • 41W TDP

Details

  • Part Number: X812480

Prototypes

Engineering Samples by stepping.

A00

First version.

  • Part Number: Unknown

A01

Minor update. Engineering sample for the final production chip.

X809682-006.jpg X890682-006.jpg

  • Part Numbers:
    • X809682-006
    • X890682-006