14.Replace any adapters that you removed (see “Installing an adapter” on page 82); then, install the side cover (see “Installing the side cover” on page 79).

15.Lock the side cover if it was unlocked during removal.

16.Reconnect the external cables and power cords; then, turn on the attached devices and turn on the server.

The following table describes the function of each switch on the system board.

Table 17. System board switches

Switch number

Description

 

 

1

Boot block:

 

v When this switch is on 1, this is normal mode.

 

v When this switch is toggled to On, this enables the

 

system to recover if the BIOS code becomes damaged.

 

 

2

Clear CMOS:

 

v When this switch is on 2, this is normal mode. This

 

keeps the CMOS data.

 

v When this switch is toggled to On, this clears the CMOS

 

data, which clears the power-on password and

 

administrator password.

 

 

204ThinkServer TD100 and TD100x: Hardware Maintenance Manual

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Lenovo TD100X manual When this switch is on 2, this is normal mode. This