Xenon (Motherboard)

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Xenon
X803600-011.jpg
Part NumberX803600
IntroducedLate 2005
Used InXbox 360 (Original)
CPU TypeWaternoose
GPU TypeY1
CPU Process90nm
GPU Process90nm
eDRAM Process90nm
Nand Size16MB (Retail)
64MB (Dev)
Video OutputsA/V
Wattage203W
12V Amperage16.5A
SuccessorZephyr_A
Elpis

Xenon is the first motherboard and is used in the Original Xbox 360 series. The motherboard has a unique board layout compared to the later boards, especially noticeable with the capacitors around the CPU heatsink, and use of the ANA chip. The production board is known as Fab K, which is version -011.

Notes

  • At some point in 2006, at least one of the manufacturers of the Xenon started applying glue around the CPU and GPU
  • Some consoles use small yellow 820uF capacitors, while other consoles use silver 820uF solid capacitors
  • Some capacitors used for voltage regulation positioned around the CPU heatsink are defective and prone to failure (see Capacitor Plague for details)
  • There are two different versions of the XSB southbridge used, initially G0, and later switching to R0
  • At some point in 2006, the extended GPU heatsink started being used on some systems instead of the low profile GPU heatsink

Specifications

Variations

Prototypes

There are 12 major versions of the Xenon motherboard. The production variant is the 11th version, Fab K (-011).

Elpis

Elpis is a modified Xenon used for refurbishing defective Xenon based systems. Major changes include use of the Elpis GPU and software differences.