Figure 77. Installing the system battery
a. system battery
b. system battery slot
Next steps
1. Install the cooling shroud.
2. Follow the procedure listed in the After working inside your system section.
3. While booting, press F2 to enter System Setup and ensure the battery is operating properly.
4. Enter the correct time and date in the System Setup Time and Date fields.
5. Exit System Setup.
Related references
Safety instructions on page 67
System board jumpers and connectors on page 198
Related tasks
Before working inside your system on page 68
Removing the cooling shroud on page 75
Installing the cooling shroud on page 76
After working inside your system on page 68
Power supply units (PSU)
Your system supports one of the following:
● Two 495 W, 750 W, or 1100 W AC power supply units (PSUs)
● Two 1100 W DC PSUs
● Two 750 W mixed mode PSUs
● Two 750 W or 1100 W AC power supply units (PSUs)
CAUTION: For AC PSUs, use only PSUs with the Extended Power Performance (EPP) label on the back. Mixing
PSUs from previous generations of systems can result in a PSU mismatch condition or failure to turn on.
NOTE: Titanium PSU is nominally rated for 200 V AC to 240 V AC input only.
NOTE: When two identical PSUs are installed, power supply redundancy (1+1 – with redundancy or 2+0 – without
redundancy) is configured in system BIOS. In redundant mode, power is supplied to the system equally from both PSUs
when Hot Spare is disabled. When Hot Spare is enabled, one of the PSUs will be put into standby when system utilization is
low to maximize efficiency.
NOTE: If two PSUs are used, they must be of the same maximum output power.
142 Installing and removing system components
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