Lenovo ThinkCentre M76 (English) User Guide - Page 15

Locating components, Locating parts on the system board, To remove the computer cover

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Connector PS/2 keyboard connector PS/2 mouse connector Serial port USB connector VGA monitor connector Description Used to attach a keyboard that uses a PS/2 keyboard connector. Used to attach a mouse, a trackball, or other pointing devices that use a PS/2 mouse connector. Used to attach an external modem, a serial printer, or other devices that use a 9-pin serial port. Used to attach a device that uses a USB connector, such as a USB keyboard, a USB mouse, a USB scanner, or a USB printer. If the USB connectors on your computer are not enough for you to connect all your USB devices, you can purchase a USB hub, which you can use to connect additional USB devices. Used to attach a VGA monitor or other devices that use a VGA monitor connector. Locating components Figure 3 "Component locations" on page 9 shows the locations of the various components in your computer. To remove the computer cover, see "Removing the computer cover" on page 14. Figure 3. Component locations 1 Heat sink and fan assembly 2 Memory modules 3 Optical drive 4 Front audio and USB assembly 5 Internal speaker (installed in some models) 6 PCI card (installed in some models) 7 Cover presence switch (also called intrusion switch) 8 Rear fan assembly 9 Power supply assembly 10 Microprocessor Locating parts on the system board Figure 4 "System board part locations" on page 10 shows the locations of the parts on the system board. Chapter 1. Product overview 9

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Connector
Description
PS/2 keyboard connector
Used to attach a keyboard that uses a PS/2 keyboard connector.
PS/2 mouse connector
Used to attach a mouse, a trackball, or other pointing devices that use a PS/2
mouse connector.
Serial port
Used to attach an external modem, a serial printer, or other devices that use a
9-pin serial port.
USB connector
Used to attach a device that uses a USB connector, such as a USB keyboard,
a USB mouse, a USB scanner, or a USB printer. If the USB connectors on your
computer are not enough for you to connect all your USB devices, you can
purchase a USB hub, which you can use to connect additional USB devices.
VGA monitor connector
Used to attach a VGA monitor or other devices that use a VGA monitor connector.
Locating components
Figure 3 “Component locations” on page 9 shows the locations of the various components in your computer.
To remove the computer cover, see “Removing the computer cover” on page 14.
Figure 3. Component locations
1
Heat sink and fan assembly
6
PCI card (installed in some models)
2
Memory modules
7
Cover presence switch (also called intrusion switch)
3
Optical drive
8
Rear fan assembly
4
Front audio and USB assembly
9
Power supply assembly
5
Internal speaker (installed in some models)
10
Microprocessor
Locating parts on the system board
Figure 4 “System board part locations” on page 10 shows the locations of the parts on the system board.
Chapter 1
.
Product overview
9