Intel SC450NX Product Guide - Page 151
Baseboard Jumpers, configuration options.
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Baseboard Jumpers One 11-pin single inline header provides three 3-pin jumper blocks that control various configuration options. Figure 44 shows the location. Items in bold in Table 50 show default placement for each configurable option. J6J1 11 9 7 5 3 1 OM08006 Figure 44. Baseboard Jumpers Table 50. Baseboard Jumper Summary Function Pins (default in bold) What it does at system reset CMOS clear 1-2, BMC Control Preserves the contents of NVRAM. 2-3, Force Erase Replaces the contents of NVRAM with the manufacturing default settings. Password clear 5-6, Protect Maintains the current system password. 6-7, Erase Clears the password. Recovery Boot 9-10, Normal System attempts to boot using the BIOS stored in flash memory. 10-11, Recovery BIOS attempts a recovery boot, loading BIOS code from a diskette into the flash device. This is typically used when the BIOS code has been corrupted. 151