Dell OptiPlex 960 User Manual

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Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual
Chassis Intrusion Switch
Chassis Intrusion Switch
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Removing the Chassis Intrusion Switch
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1. Perform the procedure Before Working on Your Computer.
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2. Disconnect the chassis intrusion switch cable from the system board by using two fingers to squeeze the release mechanism on one side of the
connector as you pull to disconnect the cable connector.
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3. Slide the chassis intrusion switch out of its slot in the metal bracket, and then push it down through the square hole in the bracket to remove the switch
and its attached cable from the computer.
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Replacing the Chassis Intrusion Switch
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1. Gently insert the switch from underneath the metal bracket into the square hole in the bracket, and then slide the chassis intrusion switch into its slot
until you feel it snap securely into place.
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2. Reconnect the cable to the system board.
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3. Perform the procedure After Working on Your Computer.
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Resetting the Chassis Intrusion Detector
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1. Turn on (or restart) your computer.
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2. WhentheDELL™logoappears,press<F2>immediately.
If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft®Windows®desktop. Then shut down your
computer and try again.
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3. In the Settings menu, select Security, then Chassis Intrusion. Use the tab, arrow, and space bar keys to choose the option you prefer. If you changed
the setting, move to the Apply button and press Enter.
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
NOTE: You may feel a slight resistance as you slide the switch out of the slot.
NOTE: The default setting is On-Silent.

Dell OptiPlex 960 Specifications

General

Tcase	72.4 °C
Bus type	FSB
Stepping	E0
Processor cache	6 MB
Processor cores	2
Processor model	E8400
System bus rate	- GT/s
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo E8000 Series
Processor socket	LGA 775 (Socket T)
Processor codename	Wolfdale
Processing Die size	107 mm²
Processor frequency	3 GHz
Processor cache type	L2
Processor lithography	45 nm
Processor manufacturer	Intel
Processor front side bus	1333 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	65 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	9
Number of Processing Die Transistors	410 M
Internal memory	4 GB
Memory clock speed	800 MHz
Internal memory type	DDR2-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	2 x 2 GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD-RW
Total storage capacity	250 GB
Networking features	Gigabit Ethernet
Graphics card family	AMD
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Discrete graphics card model	AMD Radeon HD 3470
Maximum graphics card memory	- GB
On-board graphics card model	Not available
Discrete graphics card memory	256 GB
Operating system installed	Windows 7 Professional
Microphone in	Yes
USB 2.0 ports quantity	10
Firewire (IEEE 1394) ports	0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Chassis type	SFF
Product color	Black
Product type	PC
Processor code	SLB9J
Processor ARK ID	33910
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	323 mm
Width	85 mm
Height	289 mm
Weight	5900 g