Lenovo ThinkServer TD200x - Manual (Page 44)

Table 3. System-board jumpers
Jumper
number Jumper
name
Jumper setting
1 JP6 UEFI boot
recovery
v Pins 1 and 2: Normal operation (default).
v Pins 2 and 3: Enable the UEFI recovery mode.
2 JP1 CMOS
clear
v Pins 1 and 2: Normal operation (default).
v Pins 2 and 3: Clears CMOS.
3 SW6 switch
block
Note: If no jumper is present, the server responds as if the pins are set to 1
and 2.
Table 4. System-board switch 6
SW 6 Switches Switch description
1 Reserved (Default off)
2 Power-on password override when on. (Default off)
3 Reserved (Default off)
4 When off, this loads the primary IMM firmware ROM page. When on, this loads the secondary
(backup) IMM firmware ROM page. (Default off)
Notes:
1. Before you change any switch settings or move any jumpers, turn off the server;
then, disconnect all power cords and external cables. (Review the information in
“Safety” on page vii, “Installation guidelines” on page 37, and “Handling
static-sensitive devices” on page 39.)
2. Any system-board switch or jumper blocks that are not shown in the illustrations
in this document are reserved.
28 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Installation and User Guide