Lenovo ThinkCentre A70 (English) User Guide - Page 19

Locating parts on the system board, Locating internal drives

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Locating parts on the system board Figure 4 shows the locations of the parts on the system board. Figure 4. System board part locations 1 Microprocessor 2 Microprocessor fan connector 3 Memory slots (2) 4 24-pin power connector 5 Front panel connector 6 SATA connectors (3) 7 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper 8 USB connector 9 USB connector 10 Battery 11 Front audio connector 12 PCI card slot 13 PCI Express x1 card slots (2) 14 PCI Express x16 graphics card slot 15 System fan connector 16 4-pin power connector Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. When installing or replacing an internal drive, it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed. Refer to the appropriate section in Chapter 2, "Installing or replacing hardware," on page 13 for instructions on how to install or replace internal drives for your computer. Chapter 1. Product overview 11

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Locating parts on the system board
Figure 4 shows the locations of the parts on the system board.
±1²
Microprocessor
±9²
USB connector
±2²
Microprocessor fan connector
±10²
Battery
±3²
Memory slots (2)
±11²
Front audio connector
±4²
24-pin power connector
±12²
PCI card slot
±5²
Front panel connector
±13²
PCI Express x1 card slots (2)
±6²
SATA connectors (3)
±14²
PCI Express x16 graphics card slot
±7²
Clear CMOS (Complementary Metal
Oxide Semiconductor) /Recovery jumper
±15²
System fan connector
±8²
USB connector
±16²
4-pin power connector
Locating internal drives
Internal drives are devices that your computer uses to read and store data. You can
add drives to your computer to increase storage capacity and enable your
computer to read other types of media. Internal drives are installed in bays. In this
manual, the bays are referred to as bay 1, bay 2, and so on.
When installing or replacing an internal drive, it is important to note the type and
size of the drive that you can install or replace in each bay and correctly connect
the cables to the drive installed. Refer to the appropriate section in Chapter 2,
“Installing or replacing hardware,” on page 13 for instructions on how to install or
replace internal drives for your computer.
Figure 4. System board part locations
Chapter 1. Product overview
11