19 iKVM key connector
Used to connect an iKVM key option, which is a kind of remote management module, to enable the iKVM
function on your server. See “Installing or removing the ThinkServer iKVM Remote Management Module” on
page 105.
20 Internal USB 2.0 Type A connector
Used to connect a device that uses a USB 2.0 Type A connector.
21 Internal dual-port USB 2.0 connector 2
Used to connect the USB cable of the RDX USB drive bundle (server option).
22 Internal dual-port USB 2.0 connector 1
Used to connect the front panel USB cable.
23 System board battery
Your server has a special type of memory that maintains the date, time, and conguration information for
built-in features. The system board battery keeps the information active when you turn off the server.
24 Front panel connector
Used to connect the front panel cable.
25 System board jumper blocks
Used to congure the system board and your server. See “System board jumpers” on page 46.
26 SATA SGPIO connector
Used to connect the SGPIO port of the mini-SAS signal cable with four SATA ports and one SGPIO port to
enable the RAID status LEDs for hot-swap hard disk drives.
27 Hard disk drive LED connector
Used to connect a 2-pin 200 mm (7.87 inches) RAID card to system board hard disk drive LED cable.
See “Connecting cables” on page 38.
28 DIT module connector
Used to connect the cable of the DIT module if your server has one installed.
29 Internal serial connector
Used to provide an optional serial connector solution with a required cable.
30 PCI card slot (PCI slot 1)
Used to install a standard 32-bit 33 MHz PCI card with 167 mm (6.57 inches) in length.
Chapter 3. Product overview 45