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back of computer

expansion-	power
card cage	supply

system board

left side

internal drive cage

right side

drive bay

front of computer

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Figure 5-5 shows your computer with its cover removed. Refer to this illustration to locate interior features and components discussed in this guide.

When you look inside your computer, note the direct current (DC) power cables com- ing from the power supply. These cables supply power to the system board; to internal diskette drives, hard-disk drives, and tape drives; and to certain expansion cards that connect to external peripherals.

The flat ribbon cable in Figure 5-5 is typical of the interface cables for internal drives. An interface cable connects a drive to a connector on the system board or on an expansion card.

The system board—the large printed circuit board at the bottom of the chassis—holds the computer’s control circuitry and other electronic components. Some hardware options are installed directly onto the system board.

During an installation procedure, you may be required to change a jumper setting on the system board and/or a jumper or switch setting on an expansion card or on a drive. Jumpers and switches provide a convenient and reversible way of reconfiguring the circuitry on a printed circuit board. For information on jumpers and switches, see the following two subsections.

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Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The wire connects the pins and creates a circuit.

Dell G1 manual Xpshuv, LJXUH&RPSXWHU2ULHQWDWLRQ9LHZ

Models: G1

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Figure 5-5 shows your computer with its cover removed. Refer to this illustration to locate interior features and components discussed in this guide.

When you look inside your computer, note the direct current (DC) power cables com- ing from the power supply. These cables supply power to the system board; to internal diskette drives, hard-disk drives, and tape drives; and to certain expansion cards that connect to external peripherals.

The flat ribbon cable in Figure 5-5 is typical of the interface cables for internal drives. An interface cable connects a drive to a connector on the system board or on an expansion card.

The system board—the large printed circuit board at the bottom of the chassis—holds the computer’s control circuitry and other electronic components. Some hardware options are installed directly onto the system board.

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Working Inside Your Computer 5-5

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Figure 5-5 shows your computer with its cover removed. Refer to this illustration to locate interior features and components discussed in this guide.

When you look inside your computer, note the direct current (DC) power cables com- ing from the power supply. These cables supply power to the system board; to internal diskette drives, hard-disk drives, and tape drives; and to certain expansion cards that connect to external peripherals.

The flat ribbon cable in Figure 5-5 is typical of the interface cables for internal drives. An interface cable connects a drive to a connector on the system board or on an expansion card.

The system board—the large printed circuit board at the bottom of the chassis—holds the computer’s control circuitry and other electronic components. Some hardware options are installed directly onto the system board.

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Working Inside Your Computer 5-5

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