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Dell OPTIPLEX 740 - Cleaning Your Computer; Computer, Keyboard, and Monitor Cleaning; Mouse Cleaning; Floppy Drive Cleaning

Dell OPTIPLEX 740
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19
MT DT SFF
External Dimensions inches/
centimeters (Without Bezel
W x H x D)
148.2mm(6in)/42mm (2in)/ 190.5 (max) 148.2mm(6in)/42mm (2in)/ 190.5 (max)
128.0 mm (5.04)/ 12.7mm (0.5 in)/
126.1mm (4.97in)
Weight (max) pounds/
kilograms
750g 750g 157g
Interface type and speed SATA 48x SATA 48x SATA 24x
Disc Capacity Standard Standard Standard
Internal buffer size supplier dependent supplier dependent supplier dependent
Access Times (typical) supplier dependent supplier dependent supplier dependent
Maximum Data Transfer
Rates
Writes N/A N/A N/A
Reads 48x CD 48x CD 24x CD
Power Source
DC Power Requirements 12V 12V 5V
DC Current 1200mA (12V)/ 900mA (5V) 1200mA (12V)/ 900mA (5V) 800mA
Environmental Operating
Conditions (Non-
Condensing):
Operating Temperature
Range
5C to 50C 5C to 50C 5C to 50C
Relative Humidity
Range
20% to 80% RH 20% to 80% RH 20% to 80% RH
Maximum Wet Bulb
Temperature
29C 29C 29C
Altitude Range -200 to 3048m -200 to 3048m -200 to 3048m
Environmental Non-
Operating Conditions (Non-
Condensing):
Operating Temperature
Range
-45C to 65C -45C to 65C -45C to 65C
Relative Humidity
Range
5% to 95% RH 5% to 95% RH 5% to 95% RH
Maximum Wet Bulb
Temperature
38C 38C 38C
Altitude Range -200 to 10600m -200 to 10600m -200 to 10600m
BIOS Factory Defaults (All chassis unless noted)
Drives
Diskette drive: Internal
SATA-0: On
SATA-1: On
SATA-2
1
: Depends on chassis and HDDs installed
SATA-3
2
: Depends on chassis and HDDs installed
SMART Reporting: Off
Onboard Devices
Integrated NIC: On
Integrated Audio: On
USB Controller: On
Rear Quad USB: On
Rear Triple USB: On
Front USB: On
LPT Port Mode: PS/2
LPT Port Address: 378h
Serial Port #1: Auto
UART Powerdown Auto
CD-ROM
More details for optical drives can be found at:
http://support.dell.com/support/systemsinfo/documentation.aspx?c=us&l=en&s=gen&~cat=7
BIOS Defaults

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