Technology and Features
Technology and FeaturesTechnology and Features
Technology and Features
Memory Type
Memory TypeMemory Type
Memory Type
PC3-10600 DDR3 SDRAM (1333MHz) non-ECC
Up to 4-GB maximum system memory supported
NOTE:
NOTE:NOTE:
NOTE:
For systems configured with more than 3 GB of memory and a 32-bit operating system, all
memory may not be available due to system resource requirements. In some configurations, memory
speed is limited to the maximum speed supported by the processor, e.g. 1066 MHz.
Hard Drive Interfaces
Hard Drive InterfacesHard Drive Interfaces
Hard Drive Interfaces
Supported
SupportedSupported
Supported
Serial ATA
Chassis
ChassisChassis
Chassis
Front Panel
Front PanelFront Panel
Front Panel
Power button
Power On LED
HDD Activity LED
Cooling Solutions
Cooling SolutionsCooling Solutions
Cooling Solutions
Supported
SupportedSupported
Supported
Power Supply Fan (variable speed)
Active heatsink (variable speed)
Chassis fan
Slots Supported
Slots SupportedSlots Supported
Slots Supported
Four (4) full-height expansion slots
Front I/O
Front I/OFront I/O
Front I/O
Two (2) USB 2.0 ports
Rear I/O
Rear I/ORear I/O
Rear I/O
Standard Micro ATX I/O connectors, including four (4) USB 2.0 ports
Drive Bays
Drive BaysDrive Bays
Drive Bays
One (1) 5-1/4” external
One (1) 3-1/2” internal
Internal Speaker
Internal SpeakerInternal Speaker
Internal Speaker
N/A
Security
SecuritySecurity
Security
Padlock loop
Kensington Lock Support
Support for chassis padlocks and cable lock devices
Power Supply
Power SupplyPower Supply
Power Supply
300-watt ATX Power Supply – PFC/non-PFC with a 115v/230v line switch
(varies by country/region)
Unit Environment and
Unit Environment andUnit Environment and
Unit Environment and
Operating Conditions
Operating ConditionsOperating Conditions
Operating Conditions
General Unit Operating Guidelines
General Unit Operating GuidelinesGeneral Unit Operating Guidelines
General Unit Operating Guidelines
Keep the computer away from excessive moisture, direct moisture and the extremes of heat and
cold, to ensure that unit is operated within the specified operating range.
Leave a 4 in (10.2 cm) clearance on all vented sides of the computer to permit the required
airflow.
Never restrict airflow into the computer by blocking any vents or air intakes.
Do not stack computers on top of each other or place computers so near each other that they are
subject to each other's re-circulated or preheated air.
Occasionally clean the air vents on the front, back, and any other vented side of the computer.
Lint, dust and other foreign matter can block the vents and limit the airflow.
If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must
be provided on the enclosure, and the same operating guidelines listed above will still apply.
Temperature Range
Temperature RangeTemperature Range
Temperature Range
Operating
OperatingOperating
Operating
50° to 95° F (10° to 35° C)
Non-operating
Non-operatingNon-operating
Non-operating
–22° to 140° F (–30° to 60° C)
Relative Humidity
Relative HumidityRelative Humidity
Relative Humidity
Operating
OperatingOperating
Operating
10% to 90% (non-condensing at ambient)
Non-operating
Non-operatingNon-operating
Non-operating
5% to 95% (non-condensing at ambient)
Maximum Altitude
Maximum AltitudeMaximum Altitude
Maximum Altitude
(unpressurized)
Operating
OperatingOperating
Operating
10,000 ft (3048 m)
Non-operating
Non-operatingNon-operating
Non-operating
30,000 ft (9000 m)
QuickSpecs
Compaq 505B Microtower PC
Compaq 505B Microtower PCCompaq 505B Microtower PC
Compaq 505B Microtower PC
System Details
DA - 13427 North America — Version 2 — October 30, 2009
Page 7
(37 pages)
(90 pages)
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