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HP Compaq dc7800 User Manual

HP Compaq dc7800
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Cable Connections
System board connectors are color-coded to make it easier to find the proper connection.
System Board Connections
System Board Connector, Name, and Connector Color Description
P1, PWR, black Power supply, 24-pin
P3, PWRCPU, black Power supply, 4-pin
P10, FLOPPY, black Diskette drive
P70, CPU FAN, white Heatsink fan
P8, CHASSIS FAN, brown or red Chassis fan
P5, PB/LED, black Front power button/LED
P24, FRNT USB, Yellow Front I/O USB cable
P23, FRNT AUD, black Front I/O audio
P6, SPKR Internal speaker
P52, SERIAL B Serial port
P124, HLCK Hood lock solenoid
P125, HSENSE Hood sensor
P150, MEDIA CARD Media card reader
Power Supply Cable Connections
Power Supply Connector ID Description
P1 Main power
P3 CPU power
P4 1st Hard drive, SATA0
P5 2nd HDD
P6 PATA/Zip/Media card reader
P8 Diskette drive
P9 1st ODD or 2nd HDD if no ODD present, SATA1
P10 2nd ODD
P11 3rd ODD
68 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis

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HP Compaq dc7800 Specifications

General IconGeneral
Tcase73.3 °C
Bus typeFSB
SteppingM0
Processor cache2 MB
Processor cores2
Processor modelE4600
System bus rate- GT/s
Processor familyIntel® Core™2 Duo
Processor seriesIntel Core 2 Duo E4000 Series
Processor socketLGA 775 (Socket T)
Processor codenameConroe
Processing Die size111 mm²
Processor frequency2.4 GHz
Processor cache typeL2
Processor lithography65 nm
Processor manufacturerIntel
Processor front side bus800 MHz
Processor operating modes64-bit
ECC supported by processorNo
Thermal Design Power (TDP)65 W
CPU multiplier (bus/core ratio)12
Number of Processing Die Transistors167 M
Internal memory1 GB
Internal memory typeDDR2-SDRAM
Maximum internal memory8 GB
Memory layout (slots x size)2 x 0.5 GB
HDD speed7200 RPM
HDD interfaceSATA
Optical drive typeDVD Super Multi
Total storage capacity160 GB
Audio input1
LightScribeYes
Networking featuresIntel 82566DM Gigabit Network Connection
Graphics card RAMDAC400 MHz
Storage drive controllerSATA 3, 0 Gb/s NCQ SMART VI
Discrete graphics card modelIntel® GMA 3100
Maximum graphics card memory0.256 GB
Operating system installedWindows Vista Business
USB 2.0 ports quantity8
Chassis typeMini Tower
Country of originChina
Cable lock slot typeKensington
Operating altitude0 - 3048 m
Non-operating altitude0 - 9144 m
Storage temperature (T-T)-30 - 60 °C
Operating temperature (T-T)10 - 35 °C
Storage relative humidity (H-H)5 - 95 %
Operating relative humidity (H-H)10 - 90 %
Power supply365 W
Product typePC
Processor codeSLA94
Processor ARK ID32242
Processor package size37.5 x 37.5 mm
Weight and Dimensions IconWeight and Dimensions
Depth452 mm
Width177 mm
Height447 mm
Weight11800 g

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