Lenovo 3557 Personal Computer User Manual


 
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
Eight Universal Serial Bus (USB) connectors (two on the front panel and six on the rear panel)
Ethernet connector
One DisplayPort connector
One 9-pin serial port (optional)
One Personal System/2
®
(PS/2
®
) keyboard connector (optional)
One PS/2 mouse connector (optional)
One VGA monitor connector
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
Power Supply
130-watt power adapter
Advanced Conguration and Power Interface (ACPI) support
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)
Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized
use of your computer
Startup sequence control
Startup without keyboard or mouse
Support for an integrated cable lock (Kensington lock)
2 ThinkCentre User Guide