Lenovo ThinkServer TD200x Hardware Maintenance Manual page 126

Table 5. System-board jumpers
Jumper
number
1
JP6
2
JP1
3
SW6
Note: If no jumper is present, the server responds as if the pins are set to 1 and 2.
5. Move jumper JP6 to pins 2 and 3 to enable the UEFI recovery mode.
6. Replace any adapters that you removed; then, install the side cover (see Installing the left-side cover).
7. Reconnect all external cables and power cords.
8. Insert the update CD into the CD or DVD drive.
9. Turn on the server and the monitor. After the update session is completed, remove the CD from the
drive and turn off the server.
10. Disconnect all power cords and external cables.
11. Remove the side cover (see Removing the left-side cover).
12. Remove any adapters that impede access to jumper JP6.
13. Move jumper JP6 to back to pins 1 and 2 for normal operation.
14. Replace any adapters that you removed; then, install the side cover (see Installing the left-side cover).
15. Lock the side cover if you unlocked it during removal.
16. Reconnect the external cables and power cords; then, turn on the attached devices and turn on the
server.
The function of each switch and jumper on the system board is described in System-board switches and
jumpers.
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ThinkServer TD200x Hardware Maintenance Manual
Jumper
name Jumper setting
UEFI boot • Pins 1 and 2: Normal operation (default).
recovery
• Pins 2 and 3: Enable the UEFI recovery mode.
CMOS • Pins 1 and 2: Normal operation (default).
clear
• Pins 2 and 3: Clears CMOS.
switch
block