Lenovo TC A51-8424 User Manual page 17

v System Management (SM) BIOS and SM software
v Ability to store POST hardware test results
Input/output features
v 1 PCI Slot
v 1 PCI Express x1 slot with support for PCI-e DVI-D Connection Adapter
v 25-pin Parallel Port
v Two 9-pin serial connectors
v Eight USB 2.0 connectors (two on front panel and six on rear panel)
®
v PS/2 mouse connector
v PS/2 keyboard connector
v Ethernet connector
v VGA monitor connector
v Two audio connectors (line-in and line-out) on rear panel
v Two audio connectors (microphone and headphone) on front panel
Expansion
v One 132-bit PCI slot
v One PCI Express x1 slot with support for PCI-e DVI-D Connection Adapter
v Two DIMM memory connectors
Power
v 225 Watt power supply with manual voltage selection switch
v Automatic 50/60 Hz input frequency switching
v Advanced Power Management support
v Advanced Configuration and Power Interface (ACPI) support
Security features
The IBM Embedded Security Subsystem (ESS) is a security subsystem included on
IBM ThinkCentre PCs. It consists of a dedicated Hardware Security Module built
on to the motherboard and Client Security Software, a free, web-downloaded
application. ESS provides the following security values by enhancing the security
of:
v data stored on the PC by providing an encryption application (File and Folder
Encryption) or encryption products from ISVs (such as products from Utimaco
Safeware)
v digital certificates and other digital identity information stored on a PC
v VPN products from Cisco, Check Point and 3Com by increasing the protection
around login credentials these products use
v customer network by providing unique machine identifiers for PCs in the
network (by associating certificates with the built-in Hardware Security Module)
Other security features include:
v User and administrator passwords
v Support for the addition of a cable lock such as a Kensington lock
v Knockout holes for installing a rope clip (U-bolt)
v Optional keylock on top cover
v Startup sequence control
3
Chapter 1. Overview