EPower

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EPower module (top view)

Brief information

The EPower module replaces the original Enterprise power circuits.

Specification

The module has three power sources:

  • 12 V @ 0.7 A,
  • 5 V @ 1.5 A channel A,
  • 5 V @ 1.5 A channel B.

The current limitation of the 5 V stabilizer is set at 3.7 A [I = 37125 / R1] (the maximum possible current is 7 A, if need, but it could damage the circuitry of the computer).

Maximum values (limited by permissible current of the power filters) are:

  • 12 V @ 1.2 A,
  • 5 V @ 2.5 A per channel (both 5A+5B @ 4.5[A]).

This is much more than the original power source (12[V] @ 0.15[A] and 2x 5[V] @ 1[A]).

How to install

What you need

  • EPower module
  • screwdriver
  • soldering iron
  • tin extractor
  • solder tin
  • pliers

Enterprise mainboard preparation

Desoldered components

The following components should be desoldered from the motherboard:

  • C8
  • C9
  • C10
  • C11
  • C12
  • D2
  • D3
  • D4
  • L1
  • U19
  • U20
  • U21
  • TR2
  • TR3
  • R13
  • R14
  • R15
  • R16

Links

Thread on the Enterprise Forever forum Enterprise Power module - EPower