HP Compaq dc7800 User Manual

NOTE: Type carefully; for security reasons, the characters you type do not appear on the screen.
If you enter the password incorrectly, a broken key icon appears. Try again. After three unsuccessful
tries, you must turn off the computer, then turn it on again before you can continue.
Entering a Setup Password
If the system is equipped with an embedded security device, refer to the HP ProtectTools Security
Manager Guide at
http://www.hp.com.
If a setup password has been established on the computer, you will be prompted to enter it each time
you run Computer Setup.
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press F10 when the monitor light turns green to enter
Computer Setup. Press Enter to bypass the title screen, if necessary.
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and again
press F10 when the monitor light turns green to access the utility.
3. When the key icon appears on the monitor, type the setup password, then press Enter.
NOTE: Type carefully; for security reasons, the characters you type do not appear on the screen.
If you enter the password incorrectly, a broken key icon appears. Try again. After three unsuccessful
tries, you must turn off the computer, then turn it on again before you can continue.
Changing a Power-On or Setup Password
If the system is equipped with an embedded security device, refer to the HP ProtectTools Security
Manager Guide at
http://www.hp.com.
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the
Computer.
2. To change the Power-On password, go to step 3.
To change the Setup password, as soon as the computer is turned on, press F10 when the monitor
light turns green to enter Computer Setup. Press Enter to bypass the title screen, if necessary.
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and again
press F10 when the monitor light turns green to access the utility.
3. When the key icon appears, type the current password, a slash (/) or alternate delimiter character,
the new password, another slash (/) or alternate delimiter character, and the new password again
as shown: current password/new password/new password
NOTE: Type carefully; for security reasons, the characters you type do not appear on the screen.
4. Press Enter.
The new password takes effect the next time you turn on the computer.
NOTE: Refer to the National Keyboard Delimiter Characters on page 43 for information about the
alternate delimiter characters. The power-on password and setup password may also be changed using
the Security options in Computer Setup.
42 Chapter 4 Desktop Management

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