Battery; Field Replaceable Units (Fru); User Accessible Jumpers, Sockets, And Connectors; Figure 9. Usb Port - Dell PowerEdge R815 Technical Manual

Dell
3.15

Battery

A replaceable coin cell CR2032 3V lithium coin cell battery is mounted on the planar to
provide backup power for the Real-Time Clock and CMOS RAM on the SP5100 chip. An
optional 3.7V lithium ion RAID battery is available.
3.16

Field Replaceable Units (FRU)

Both planars contain a serial EEPROM to contain FRU information including Dell part
number, part revision level, and serial number. The iDRAC6 Enterprise contains a FRU
EEPROM. The backplane SEP and the power supply microcontroller are also used to
store FRU data.
3.17

User Accessible Jumpers, Sockets, and Connectors

See the Jumpers and Connectors chapter in the PowerEdge R815 Hardware Owner's
Manual.
Dell PowerEdge R815 Technical Guide
USB Port
Figure 9.
19