IBM 847620U - Netfinity 3000 - 20U, Руководство по техническому обслуживанию аппаратной части, Страница: 157 / 270

Ethernet controller operation mode switch
setting:
When you want to change the Ethernet
controller operation mode from Normal to MAC Disabled,
you must change the setting of configuration switch 6.
Notes
Ÿ
Read “Safety information” on page 212.
Ÿ
Power-off the server and all other connected
devices.
Ÿ
Disconnect all external cables attached to the
server; then, remove the server cover.
1. Locate the configuration switches (also known as
rocker switches) on the system board. For more
information, refer to the label inside the server, or see
“System board illustration” on page 142.
2. To set the Ethernet controller operation mode to the
appropriate value, set switch 6 as shown in the
following illustration. It might be helpful to use the
end of a small screwdriver to set the switch.
Attention
The following illustration is for reference only.
Before you change the settings for switch 6, be
sure that you check the orientation of the server
system board to correctly identify the switch
number locations. If you change the settings for
the wrong switches, you might seriously damage
server components or options.
Note
In the following illustration, MAC represents
medium access control. This refers to the
Ethernet controller address.
Ethernet Normal Operation Ethernet MAC Disabled
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
ON ON
OFF OFF
3. Move the switch to the ON position.
4. Make the required adjustments to the Ethernet
controller address.
5. Move the switch back to the OFF position.
6. After changing configuration switch settings, you must
reconfigure the server. After reassembling the server
(see “Completing the installation” on page 77), use
the Configuration/Setup Utility program to reconfigure
the server. For more information, see
“Configuration/Setup utility program menus” on
page 24.
IBM Netfinity 3000 - Type 8476
149