Lenovo ThinkCentre M93/p User Manual page 15

• Wake on Ring
Wake on Ring, sometimes referred to as Wake on Modem, is a specification that allows supported
computers and devices to resume from sleep or hibernation mode.
• Windows Management Instrumentation (WMI)
Windows Management Instrumentation is a set of extensions to the Windows Driver Model. It provides an
operating system interface through which instrumented components provide information and notification.
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)
• One Ethernet connector
• 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)
• Two DisplayPort connectors
For more information, see "Locating connectors, controls, and indicators on the front of your computer" on
page 9 and "Locating connectors on the rear of your computer" on page 10.
Expansion
• One drive bay assembly
• One PCI card slot (available in ThinkCentre
• One PCI Express x1 card slot
• One PCI Express x16 graphics card slot
• One PCI Express card slot (physical link width x16; negotiable link width x4, x1)
• "Locating parts on the system board" on page 13.
For more information, see "Locating internal drives" on page 16 and "Locating parts on the system board"
on page 13.
Power supply
Your computer comes with a 240-watt automatic voltage-sensing power supply.
Security features
• Ability to enable or disable a device
• Ability to enable or disable USB connectors individually
• Computrace Agent software embedded in firmware
• Cover presence switch (also called intrusion switch)
• Keyboard with fingerprint reader (shipped with some models)
• Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized
use of your computer
• Support for a Kensington-style cable lock
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M93/p computers)
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Chapter 1 Product overview
3