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• 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 9.
Expansion
• One PCI card slot (available in ThinkCentre
®
M93/p computers)
• 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)
• Two hard disk drive bays
• Two optical drive bays
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 one of the following types of power supply:
• 280-watt automatic voltage-sensing power supply
• 320-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)
Chapter 1. Product overview 3