Dell PowerVault DL2000 DL2000 Hardware Owner's Manual - Page 65

1 SAS controller daughter card 3 power supply bay 5 left riser 7 memory modules (8) 9 hot-pluggable fans (4) 11 slimline optical drive 13 control panel 2 sideplane 4 power supplies (2) 6 central riser 8 heatsinks and microprocessors (2) 10 SAS backplane 12 SATA hard drives (up to 4, depending on configuration) The system board holds the system's control circuitry and other electronic components. Several hardware options, such as the microprocessors and memory, are installed directly on the system board. The expansion-card cage containing the left riser accommodates up to two full-length PCIe expansion cards, while the central riser accommodates one half-length PCIe expansion card. The system provides space for an optical drive. The optical drive connects to the controllers on the system board through the sideplane board. For more information, see "Optical Drive and Cable" on page 96. The hard-drive bays provide space for up to four 3.5-inch SATA hard drives. The hard drives connect to a SAS controller card through the SAS backplane board. For more information, see "Hard Drives" on page 68 and "SAS Controller Daughter Card" on page 85. During an installation or troubleshooting procedure, you may be required to change a jumper setting. For more information, see "System Board Jumpers" on page 157. Front Bezel A lock on the bezel restricts access to the power button, optical drive, and hard drive(s). A control panel LCD located on the front panel and accessible through the front bezel displays the system's status. Removing the Front Bezel 1 Using the system key, unlock the bezel. 2 Press the tab at the left end of the bezel. Installing System Components 65