Dell Precision 390 User Manual

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1. Follow the procedures in Before You Begin.
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2. Remove the computer cover (see Removing the Computer Cover).
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3. Locate the 2-pin password jumper (PSWD) on the system board, and remove the jumper to clear the password. For more information see System Board
Components.
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4. Replace the computer cover. See Replacing the Computer Cover.
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5. Connect your computer and monitor to electrical outlets, and turn them on.
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6. After the Microsoft®Windows®desktop appears on your computer, shut down your computer (see Turn Off Your Computer).
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7. Turn off the monitor and disconnect it from the electrical outlet.
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8. Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system board.
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9. Remove the computer cover (see Removing the Computer Cover).
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10. Locate the 2-pin password jumper on the system board and attach the jumper to reenable the password feature. For more information see System
Board Components.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: This process erases both the system and setup passwords.
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Jumper
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Setting
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Description
PSWD
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Password features are enabled.
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Password features are disabled.
RTCRST
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Normal CMOS function.
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Clears the CMOS settings
jumpered unjumpered
NOTE: When you receive your computer, the password jumper is attached to pins 1 and 2.

Dell Precision 390 Specifications

General

Memory	Up to 8GB DDR2 SDRAM
Network	Integrated Gigabit Ethernet
Processor	Intel Core 2 Duo
Chipset	Intel 975X Express
Graphics	ATI FireGL
Storage	SATA 3.0Gb/s
Optical Drive	DVD-ROM, DVD+/-RW
Operating System	Microsoft Windows XP Professional, Red Hat Linux
Power Supply	375W
Expansion Slots	1 PCI Express x1 slot, 3 PCI slots
Ports	USB 2.0, serial, parallel