Table 4. Callout descriptions
| Jumper name | Jumper setting |
|
|
|
1 | UEFI boot recovery | v Pins 1 and 2: Normal (default) Loads the primary server |
| jumper (J29) | firmware (formerly called BIOS) ROM page. |
|
| |
|
| v Pins 2 and 3: Loads the secondary (backup) server firmware |
|
| ROM page. |
|
|
|
2 | IMM recovery | v Pins 1 and 2: Normal (default) Loads the primary IMM firmware |
| jumper (J147) | ROM page. |
|
| |
|
| v Pins 2 and 3: Loads the secondary (backup) IMM firmware |
|
| ROM page. |
|
|
|
3 | SW4 switch block |
|
| (reserved) |
|
|
|
|
4 | SW3 switch block |
|
|
|
|
26ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide
