Lenovo 70B4, User Manual And Hardware Maintenance Manual

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Note: The term “2.5-inch hot-swap hard disk drives” or “2.5-inch hard disk drives” hereinafter refers to all
the supported types of 2.5-inch hard disk drives, including the solid-state drives.
• Optical drive
– Up to two 5.25-inch SATA optical drives
– The server has two optical drive bays. The lower optical drive bay is installed with a 5.25-inch SATA
optical drive. The upper bay is for a secondary optical drive only. Some server models come with a
secondary optical drive installed in the upper bay.
• RDX drive
Your server supports an internal RDX drive that enables you to store data on RDX media. The internal
RDX drive must be installed in the upper optical drive bay. To install or replace an internal RDX drive, see
“Installing or replacing an internal RDX drive” on page 158.
Note: If your server is installed with a Windows Server operating system, you can use the Windows
Backup program to backup the data stored on RDX media. For detailed information, refer to the user
guide of the RDX drive. The user guide is available for download at:
http://www.lenovo.com/UserManuals
To locate the internal drives or drive bays, see “Server components” on page 28.
External drives
If your server has a Host Bus Adapter installed, an external tape drive can be connected to store data on
tapes. To connect an external tape drive, see “Connecting an external tape drive” on page 162.
Expansion slots
The server has six expansion slots on the system board for installing appropriate Peripheral Component
Interconnect (PCI) cards or PCI Express cards. For detailed information, see “System board components”
on page 48.
Input/Output (I/O) features
• One serial connector on the rear panel
• One Video Graphics Array (VGA) DB-15 connector on the rear panel
• Six USB 2.0 connectors (two on the front panel and four on the rear panel)
• Two RJ-45 Ethernet connectors on the rear panel (Ethernet connector 2 is for system management)
For the location information about the connectors, refer to the related topics in “Locations” on page 13.
Video subsystem
An integrated graphics controller in the ThinkServer Management Module (TMM), which also is known as
the Baseboard Management Controller (BMC) chip, is installed on the system board to to support a VGA
connector on the rear panel for connecting video devices.
Ethernet connectivity
The server comes with an integrated Intel Gigabit Ethernet controller as well as an Ethernet physical layer
(PHY) of the Open Systems Interconnection model (OSI model). They provide the server with the ability to
support two Ethernet connectors on the rear panel with 10 megabits per second (Mbps), 100 Mbps, or 1000
Mbps network connectivity. For more information, see “Rear view of the server” on page 21.
Chapter 3
.
Product overview
9