Lenovo 5548 Personal Computer User Manual


 
Ability to store power-on self-test (POST) hardware test results
Automatic power-on startup
Desktop Management Interface (DMI)
Intel Active Management Technology (AMT) (available on some models)
Intel Matrix Storage Manager
Preboot Execution Environment (PXE)
Secure Managed Client (SMC) (some models)
System Management (SM) Basic Input/Output System (BIOS) and SM software
Wake on LAN
Wake on Ring
Windows Management Instrumentation (WMI)
Input/Output (I/O) features
9-pin serial port (one standard and one optional)
Eight Universal Serial Bus (USB) connectors (two on the front panel and six on the rear panel)
Ethernet connector
One DisplayPort connector (not applicable on some models)
One VGA monitor connector (not applicable on some models)
One Personal System/2
®
(PS/2
®
) keyboard connector (optional)
One PS/2 mouse connector (optional)
Three audio connectors on the rear panel (audio line-in connector, audio line-out connector, and
microphone connector)
Two audio connectors on the front panel (microphone connector and headphone connector)
For more information, see “Locating connectors on the front of your computer” on page 6
and “Locating
connectors on the rear of your computer” on page 7.
Expansion
One hard disk drive bay
One optical drive bay
One PCI card slot
One PCI Express x16 graphics card slot
Power supply
240-watt auto-sensing power supply
Security features
Computrace
Cover presence switch (also called intrusion switch)
Enabling or disabling a device
Enabling or disabling USB connectors individually
Hard disk drive password
Keyboard with ngerprint reader (shipped with some models)
2 ThinkCentre User Guide