IBM SurePOS 700 Series, Hardware Service Manual

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Restoring CMOS default settings
Note: Be sure to record your customized settings to reset them later.
To clear your CMOS settings and restore the default settings:
1. Turn off the system unit, and disconnect the AC power cord.
2. Follow the instructions in “Removing the covers” on page 31.
3. Follow the instructions in “Removing the pullout tray” on page 37.
4. See
A
in Figure 51 or
B
in Figure 52 on page 74 or
C
in Figure 53 on
page 74 to locate your CMOS jumper on the system board. See Table 12 on
page 75 for the correct pins and position to clear your CMOS settings.
1
2
3
A
JP1
Figure 51. Location of CMOS jumper - Models 743, C43, E43, 783, and E83
Chapter 4. Diagnostics and configuration settings
73