Service Guide

Server Board Features
Intel® Server Board S5520HC, S5520HCT and S5500HCV Service Guide 5
Configuration Jumpers
Figure 4. Configuration Jumper Location
Table 2. Configuration Jumpers
Jumper Name Pins What happens at system reset
CMOS Clear
(J1E6)
1-2 (Default)
Protect CMOS: These pins should have a jumper in place for normal system operation.
2-3 If pins 2-3 are connected for 5 to 10 seconds with AC power unplugged, the CMOS
settings clear on the next reset.
These pins should not be connected for normal operation.
ME Force Update
(J1E2)
1-2 (Default)
ME Firmware Force Update Mode – Disabled
These pins should have a jumper in place for normal system operation.
2-3 ME Firmware Force Update Mode – Enabled
These pins should not be connected for normal operation.
Password Clear
(J1E4)
1-2 (Default)
Protect Password: These pins should have a jumper in place for normal system
operation.
2-3 To clear administrator and user passwords, power on the system with pins 2-3
connected. The administrator and user passwords clear in 5-10 seconds after power
on.
These pin should not be connected for normal system operation.
BIOS Recover
(J1E5)
1-2 (Default)
These pins should be connected for normal system operation.
2-3 The main system BIOS does not boot with pins 2-3 connected. The system only boots
from EFI-bootable recovery media with a recovery BIOS image present.
These pin should not be connected for normal system operation.