Power Rails (S/E): Difference between revisions

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* Source: [[#V_12P0|V_12P0]]
* Source: [[#V_12P0|V_12P0]]
* Purpose: [[eDRAM]] Power
* Purpose: [[eDRAM]] Power
==== V_CPUVCS ====
* Voltage: 1.25-1.3V, controlled by [[CPU]] via APS (CPU VID * 1.4)
* Source: [[#V_5P0|V_5P0]]
* Purpose: [[CPU]] VCS Power


==== V_MEM ====
==== V_MEM ====
Line 24: Line 29:
* Source: [[#V_12P0|V_12P0]]
* Source: [[#V_12P0|V_12P0]]
* Purpose: [[RAM]] Power
* Purpose: [[RAM]] Power
==== V_CPUVCS ====
* Voltage: 1.25-1.3V, controlled by [[CPU]] via APS (CPU VID * 1.4)
* Source: [[#V_5P0|V_5P0]]
* Purpose: [[CPU]] VCS Power


{{Motherboard Components}}
{{Motherboard Components}}

Revision as of 21:02, 5 June 2023

The Xbox 360 S and Xbox 360 E motherboards have various rails which power components of the system.

Main Power

V_12P0

  • Voltage: 12V
  • Source: Power Supply
  • Purpose: Full-On System Power

V_CPUCORE

  • Voltage: 0.9-1.2V, controlled by CPU via APS
  • Source: V_12P0
  • Purpose: CGPU Power

V_CPUEDRAM

V_CPUVCS

  • Voltage: 1.25-1.3V, controlled by CPU via APS (CPU VID * 1.4)
  • Source: V_5P0
  • Purpose: CPU VCS Power

V_MEM

  • Voltage: 1.8V
  • Source: V_12P0
  • Purpose: RAM Power