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CPU Voltage
Pentium Pro processors use a clock voltage of 3.3 volts. Pentium II processors use a clock
voltage of 2.5 volts. The following tables show how to install the jumpers to achieve the
proper clock voltage. IN denotes the jumper is installed on both pins.
Jumper
J19
J39
Power Supply Information
The power supply is switchable between 90-132 VAC or 180-264 VAC, depending on the
location. The input frequency is 47-63 Hz, single phase. At full load, nominal AC line,
nominal power factor of 0.6, and temperature of 25 C, the power supply has a minimum
efficiency of 65 percent.
The desktop system power supply is manually ranging, and has a maximum output of 200
watts for TD-x20 and TD-x25 systems, and a maximum output of 300 watts for TDZ-x20
and TDZ-x25 systems. The deskside system power supply for all units is autoranging, and
has a maximum output of 539 watts.
DC Output Specifications
The following tables detail the power supply DC output specifications.
Pentium Pro/3.3v
Pentium II/2.5v
IN
OUT
OUT
IN
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