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System board switches

The following illustration shows the location of the switches, jumpers, and buttons on the system board.

Note
If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to access the switches.
Figure 1. System board switches
System board switches
Table 1. System board switches
1 Switch block 5 (SW5)2 Switch block 4 (SW4)
Important
  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 following information:

  2. Any system-board switch or jumper block that is not shown in the illustrations in this document are reserved.

Switch block 5 (SW5)

The following table describes the functions of the switch block 5 (SW5) on the system board.
Table 2. Switch block 5 (SW5) description
Switch numberSwitch nameUsage description
OnOff
1XCC Trusted Platform Module (TPM) physical presenceAssert TPM physical presenceNormal (Default)
2Flash security overrideEnable flash security overrideDisable flash security override (Default)
3ME recoveryEnable ME boots to recoveryNormal (Default)
4Reserved
5Reserved
6Reserved
7Reserved
8Reserved

Switch block 4 (SW4)

The following table describes the functions of the switch block 4 (SW4) on the system board.
Table 3. Switch block 4 (SW4) description
Switch numberSwitch nameUsage description
OnOff
1BIOS recovery modeBoot BIOS into recovery modeNormal (Default)
2Clear CMOSClear the real-time clock (RTC) registryNormal (Default)
3Password clearPassword clearNormal (Default)
4BIOS image swapEnable BIOS image swapNormal (Default)
5PCH_TOP_SWAP_OVERRIDESwapNo swap (Default)
6Reserved
7Reserved
8Reserved