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DR Series DR6300 - Owner's Manual

DR6300 system overview Technical specifications Initial system setup and configuration Pre-operating system management applications
Options to manage the pre-operating system applications System Setup Dell Lifecycle Controller Boot Manager PXE boot
Installing and removing system components
Safety instructions Before working inside your system After working inside your system Recommended tools Front bezel (optional) System cover Cooling shroud Cooling fans Cooling-fan assembly System memory Processors and heat sinks PCIe card holder Cable retention bracket Integrated storage controller card Expansion cards and expansion card riser Internal dual SD module (optional) Network daughter card Internal USB memory key (optional) System battery Power supply units (PSU) System board Trusted Platform Module Hard drives Hard drive backplane SD vFlash card (optional) Control panel assembly
Using system diagnostics Jumpers and connectors Troubleshooting your system

System battery

Replacing the system battery

The system battery is used for low-level system functions like powering the real-time clock and storing the computer’s BIOS settings.

Replacing the system battery

* 
NOTE: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. For more information, see the safety information that shipped with your system.
* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
1.
Follow the safety guidelines listed in the Safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
3.
Remove the cooling shroud.
1.
Locate the battery socket. For more information, see the Jumpers and connectors section.
* 
CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery.
2.
Place your finger between the securing tabs at the negative side of the battery connector and lift the battery out of the socket.
Figure 55. Removing the system battery

This figure shows removing the system battery.

a.
system battery
b.
system battery slot
3.
To install a new system battery, hold the battery with the "+" facing up and slide it under the securing tabs.
4.
Press the battery into the connector until it snaps into place.
Figure 56. Installing the system battery

This figure shows installing the system battery.

a.
system battery
b.
system battery slot
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 tasks 
Before working inside your system
Removing the cooling shroud
Installing the cooling shroud
After working inside your system
Related references 
Safety instructions
System board jumpers and connectors

Power supply units (PSU)

Hot spare feature
Removing the power supply unit blank
Installing the power supply unit blank
Removing an AC power supply unit
Installing an AC power supply unit
Your system supports two 1100 W AC PSU modules.
* 
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 in order to maximize efficiency.  
* 
NOTE: If two PSUs are used, they must be of the same maximum output power.

Hot spare feature

Your system supports the hot spare feature that significantly reduces the power overhead associated with power supply unit (PSU) redundancy.

When the hot spare feature is enabled, one of the redundant PSUs is switched to the sleep state. The active PSU supports 100 percent of the load, thus operating at higher efficiency. The PSU in the sleep state monitors output voltage of the active PSU. If the output voltage of the active PSU drops, the PSU in the sleep state returns to an active output state.

If having both PSUs active is more efficient than having one PSU in the sleep state, the active PSU can also activate the sleeping PSU.

The default PSU settings are as follows:

•
If the load on the active PSU is more than 50 percent, then the redundant PSU is switched to the active state.
•
If the load on the active PSU falls below 20 percent, then the redundant PSU is switched to the sleep state.

You can configure the hot spare feature by using the iDRAC settings. For more information about iDRAC settings, see the Integrated Dell Remote Access Controller User’s Guide available at Dell.com/idracmanuals.

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