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System board jumpers -19, Figure 1-13, Table 1-1 – Dell OptiPlex NX1 User Manual

Page 31: System-board jumper descriptions, 6\vwhp%rdug-xpshuv

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System Overview

1-19

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500MHZ

*

Microprocessor
speed

Install jumper if the microprocessor’s
internal speed is 500 MHz; otherwise, the
jumper should not be installed.

450MHZ

*

Microprocessor
speed

Install jumper if the microprocessor’s
internal speed is 450 MHz; otherwise, the
jumper should not be installed.

400MHZ

*

Microprocessor
speed

Install jumper if the microprocessor’s
internal speed is 400 MHz; otherwise, the
jumper should not be installed.

* One set of speed jumpers must have a jumper plug installed; otherwise, the system

defaults to 350 MHz.

jumpered

unjumpered