
Jumper Blocks Intel® Workstation Board S5520SC TPS
Revision 1.7
Intel order number: E39530-010
118
Jumper Name Pins System Results
2-3
The main system BIOS will not boot with pins 2-3 connected. When connected, the system
will only boot from EFI-bootable recovery media with a recovery BIOS image present.
J1H1: Force BMC
Update
1-2 BMC Firmware Force Update Mode – Disabled (Default)
2-3 BMC Firmware Force Update Mode – Enabled
J2C1: CMOS Clear
1-2 These pins should be connected for normal system operation. (Default)
2-3
If connected and AC power unplugged, the CMOS settings will clear in 5 seconds. The 2-3
pins should not be connected for normal system operation.
J4B2: Serial Port A
Configuration
1-2 Rear RJ-45 Serial A port is configured for DSR to DTR. (Default)
2-3 Rear RJ-45 Serial A port is configured for DCD to DTR.
7.1 CMOS Clear and Password Reset Usage Procedure
The CMOS Clear (J2C1) and Password Reset (J1E4) recovery features are designed so the
needed operation is achieved with minimum system down time. The usage procedure for these
two features has changed from previous generation Intel
®
workstation boards. The following
procedure outlines the new usage model.
7.1.1 Clearing the CMOS
1. Power down the workstation and unplug the power cord.
2. Open the workstation chassis. For instructions, refer your workstation chassis
documentation.
3. Move jumper (J2C1) from the default operating position (covering pins 1 and 2) to the
reset/clear position (covering pins 2 and 3).
4. Wait five seconds.
5. Move the jumper back to default position (covering pins 1 and 2).
6. Close the workstation chassis and reconnect the AC power cord.
7. Power up the workstation.
The CMOS is now cleared and you can reset it by going into the BIOS setup.
7.1.2 Clearing the Password
1. Power down the workstation. Do not unplug the power cord.
2. Open the chassis. For instructions, refer your workstation chassis documentation.
3. Move jumper (J1E4) from the default operating position (covering pins 1 and 2) to the
password clear position (covering pins 2 and 3).
4. Close the workstation chassis.
5. Power up the workstation and then press <F2> to enter the BIOS menu to check if the
password is cleared.
6. Power down the workstation.
7. Open the chassis and move the jumper (J1E4) back to its default position (covering pins
1 and 2).
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