Table 70. System board jumpers and connectors(continued)
Item Connector Description
2. Riser connector Connector for the riser
3. CPU slot Slot for CPU
4 CPU power Power connector for CPU
5. DIMMs DIMM connectors
6. Power connector Power connector for system board
7. PSU event signal cable Connector for PSU event signal cable
8. SATA connector (SL1_PCH_SA1) SATA connector 1
9. Fan 4 Connector for Fan 4
10. Fan 3 Connector for Fan 3
11. BOSS card power Power connector for BOSS card
12. BOSS connector (SL2_PCH_PA2) Connector for BOSS cable
13. TPM TPM connector
14. Fan 2 Connector for Fan 2
15. Left Control Panel Left Control Panel Connector
16. Internal USB USB 3.2 Gen1 port
17. Intrusion switch Intrusion switch connector
18. Fan 1 Connector for Fan 1
19. Right Control Panel Right Control Panel Connector
20. PIB PIB connector
21. HDD power Power connector for HDD
22. PWRD_EN and NVRAM_CLR Jumper Jumper to clear passwords
23. Coin cell battery System CMOS battery
System board jumper settings
For information about resetting the password jumper to disable a password, see the disabling a forgotten password section.
Table 71. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS password feature is enabled.
The BIOS password feature is disabled. The BIOS password is
now disabled, and you are not allowed to set a new password.
NVRAM_CLR The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
CAUTION: You should be cautious when changing the BIOS settings. The BIOS interface is designed for
advanced users. Any changes in the setting might prevent your system from starting correctly and may even
result in data loss.
Jumpers and connectors 117
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