HP Compaq dc7800 User Manual

5 Serial and Parallel ATA Drive Guidelines and Features
SATA Hard Drives .............................................................................................................................. 48
SATA Hard Drive Cables .................................................................................................................... 49
SATA Data Cable .............................................................................................................. 49
SATA Power Cable ............................................................................................................ 49
PATA Device Information ................................................................................................................... 50
ATA SMART Drives ............................................................................................................................ 50
Hard Drive Capacities ........................................................................................................................ 50
6 Identifying the Chassis, Routine Care, and Disassembly Preparation
Chassis Designations ......................................................................................................................... 51
Convertible Minitower (CMT) ............................................................................................. 51
Small Form Factor (SFF) ................................................................................................... 52
Ultra-Slim Desktop (USDT) ................................................................................................ 52
Electrostatic Discharge Information .................................................................................................... 53
Generating Static ............................................................................................................... 53
Preventing Electrostatic Damage to Equipment ................................................................ 53
Personal Grounding Methods and Equipment ................................................................... 54
Grounding the Work Area .................................................................................................. 54
Recommended Materials and Equipment .......................................................................... 54
Operating Guidelines .......................................................................................................................... 55
Routine Care ...................................................................................................................................... 56
General Cleaning Safety Precautions ................................................................................ 56
Cleaning the Computer Case ............................................................................................ 56
Cleaning the Keyboard ...................................................................................................... 56
Cleaning the Monitor .......................................................................................................... 57
Cleaning the Mouse ........................................................................................................... 57
Service Considerations ...................................................................................................................... 57
Power Supply Fan ............................................................................................................. 57
Tools and Software Requirements .................................................................................... 57
Screws ............................................................................................................................... 58
Cables and Connectors ..................................................................................................... 58
Hard Drives ........................................................................................................................ 58
Lithium Coin Cell Battery ................................................................................................... 59
7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis
Preparation for Disassembly .............................................................................................................. 60
Unlocking the Smart Cover Lock ........................................................................................................ 61
External Security Devices .................................................................................................................. 62
Installing a Cable Lock ....................................................................................................... 62
Installing a Padlock ............................................................................................................ 62
Hood Sensor ...................................................................................................................................... 63
Computer Access Panel ..................................................................................................................... 64
Front Bezel ......................................................................................................................................... 65
Bezel Blanks ....................................................................................................................................... 66
Cable Management ............................................................................................................................ 67
Cable Connections ............................................................................................................ 68
Memory .............................................................................................................................................. 69
Expansion Cards ................................................................................................................................ 72
Drives ................................................................................................................................................. 76
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HP Compaq dc7800 Specifications

General

Tcase	73.3 °C
Bus type	FSB
Stepping	M0
Processor cache	2 MB
Processor cores	2
Processor model	E4600
System bus rate	- GT/s
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo E4000 Series
Processor socket	LGA 775 (Socket T)
Processor codename	Conroe
Processing Die size	111 mm²
Processor frequency	2.4 GHz
Processor cache type	L2
Processor lithography	65 nm
Processor manufacturer	Intel
Processor front side bus	800 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	65 W
CPU multiplier (bus/core ratio)	12
Number of Processing Die Transistors	167 M
Internal memory	1 GB
Internal memory type	DDR2-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	2 x 0.5 GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD Super Multi
Total storage capacity	160 GB
Audio input	1
LightScribe	Yes
Networking features	Intel 82566DM Gigabit Network Connection
Graphics card RAMDAC	400 MHz
Storage drive controller	SATA 3, 0 Gb/s NCQ SMART VI
Discrete graphics card model	Intel® GMA 3100
Maximum graphics card memory	0.256 GB
Operating system installed	Windows Vista Business
USB 2.0 ports quantity	8
Chassis type	Mini Tower
Country of origin	China
Cable lock slot type	Kensington
Operating altitude	0 - 3048 m
Non-operating altitude	0 - 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 supply	365 W
Product type	PC
Processor code	SLA94
Processor ARK ID	32242
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	452 mm
Width	177 mm
Height	447 mm
Weight	11800 g