System-board-assembly switches
The following illustrates locations and functions of the switch block on the on the system board assembly which contains the system I/O board and processor board.
Important
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:
- Any system-board switch or jumper block that is not shown in the illustrations in this document are reserved.
Figure 1. System-board-assembly switch blocks
1 SW2 | 2 SW6 | 3 SW7 |
SW2 switch block
| Switch block | Switch number | Switch name | Default position | Description |
|---|---|---|---|---|
 | SW2-1 | FPGA reset | OFF | Forces FPGA into reset when changing it to the ON position. |
| SW2-2 | Force BMC CPU reset | OFF | Forces BMC and CPU into reset when changing it to the ON position. | |
| SW2-3 | Reserved | OFF | Reserved | |
| SW2-4 | BIOS image swap | OFF | Enables BIOS image swap when changing it to the ON position. |
SW6 switch block
| Switch block | Switch number | Switch name | Default position | Description |
|---|---|---|---|---|
 | SW6-1 | ME security override | OFF | Disables ME Security checks when changing it to the ON position. |
| SW6-2 | Clear CMOS | OFF | Clears the real-time clock (RTC) registry when changing it to the ON position. | |
| SW6-3 | Password override | OFF | Overrides the power-on password when changing it to the ON position. | |
| SW6-4 | ME recovery | OFF | Boots ME into recovery mode when changing it to the ON position. | |
| SW6-5 | BIOS recovery | OFF | Boots BIOS into recovery mode when changing it to the ON position. | |
| SW6-6 | Reserved | OFF | Reserved | |
| SW6-7 | Reserved | OFF | Reserved | |
| SW6-8 | Reserved | OFF | Reserved |
SW7 switch block
| Switch block | Switch number | Switch name | Default position | Description |
|---|---|---|---|---|
| SW7-1 | XCC boot primary | OFF | XCC boots from upper half of flash region when switched to ON. |
| SW7-2 | XCC force update | OFF | XCC boots from kernel code only when switched to ON. | |
| SW7-3 | Power permission override | OFF | Ignores Power Permission and allows system to power-on when switched to ON. | |
| SW7-4 | Force XCC reset | OFF | Forces XCC into reset when switched to ON. | |
| SW7-5 | Reserved | OFF | Reserved | |
| SW7-6 | Reserved | OFF | Reserved | |
| SW7-7 | Reserved | OFF | Reserved | |
| SW7-8 | Reserved | OFF | Reserved |
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