Lenovo ThinkCentre Edge 72 Hardware Maintenance Manual (HMM) for ThinkCentre E - Page 80

Locating major FRUs and CRUs

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Connector Ethernet connector Microphone connector Serial port USB connector VGA monitor connector Description Used to attach an Ethernet cable for a local area network (LAN). Note: To operate the computer within FCC Class B limits, use a Category 5 Ethernet cable. Used to attach a microphone to your computer when you want to record sound or if you use speech-recognition software. 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 requires a USB connector, such as a USB keyboard, a USB mouse, a USB scanner, or a USB printer. If you have more than eight 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 major FRUs and CRUs Figure 8 "Component locations" on page 77 shows the locations of the various components in your computer. To remove the computer cover, see "Removing the computer cover" on page 116. 76 ThinkCentre Hardware Maintenance Manual

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Connector
Description
Ethernet connector
Used to attach an Ethernet cable for a local area network (LAN).
Note:
To operate the computer within FCC Class B limits, use a Category 5 Ethernet
cable.
Microphone connector
Used to attach a microphone to your computer when you want to record sound or if
you use speech-recognition software.
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 requires a USB connector, such as a USB keyboard, a
USB mouse, a USB scanner, or a USB printer. If you have more than eight 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 major FRUs and CRUs
Figure 8 “Component locations” on page 77 shows the locations of the various components in your
computer. To remove the computer cover, see “Removing the computer cover” on page 116.
76
ThinkCentre Hardware Maintenance Manual