Lenovo M73 manual Input/Output I/O features, Expansion, Power supply, Security features

Input/Output (I/O) features

•9-pin serial port (one standard and one optional)

•One Ethernet connector

•One DisplayPort connector

•One VGA monitor connector

•One Personal System/2 (PS/2) keyboard connector

•One PS/2 mouse connector

•Four Universal Serial Bus (USB) 2.0 connectors (two on the front panel and two on the rear panel)

•Two USB 3.0 connectors on the rear panel

•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, 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 hard disk drive bay

•One optical drive bay

•One secondary solid-state drive bay (optional)

•One slim card reader drive bay

•One PCI Express x16 graphics card slot

•Two PCI Express x1 card slots

For more information, see “Locating internal drives” on page 14.

Power supply

Your computer comes with 240-watt automatic voltage-sensing power supply.

Security features

•Ability to enable or disable a device

•Ability to enable and disable USB connectors individually

•Computrace Agent software embedded in firmware

•Cover presence switch (also called intrusion switch) (available in some models)

•Keyboard with fingerprint reader (shipped with some models)

•Power-on password (POP), administrator password, and hard disk password to deter unauthorized use of your computer

•Startup sequence control

•Startup without keyboard or mouse

•Support for a Kensington-style cable lock

•Support for a padlock

For more information, see Chapter 4 “Security” on page 31.

Preinstalled software programs

Chapter 1. Product overview 3