IBM Netfinity 5100 User Reference Manual page 81

The following table describes the function for each switch.
Switch Switch
number description
8 Bypass power-on password. The default setting is Off.
When toggled to the On position and back to Off , clears the
power-on password, if one is set.
7 Reserved. The default setting is Off.
6 Clock frequency selection. The default setting is Off.
When On, sets the host bus speed to 100 MHz. When Off, the host
bus speed is 133 MHz.
5 Power-on override. The default setting is Off (disabled).
When On, overrides the power-on switch and forces power-on
mode. The system will always boot without the use of the power-
on switch.
4 Reserved.
3 Reserved.
2 Reserved.
1 Reserved.
Table 4. Switches 1-8
System board
Chapter 6. Installing Options
67