HP Pavilion Tx2500 Entertainment Notebook Pc Series Service Guide

Changing the language of the Setup Utility
The following procedure explains how to change the language of the Setup Utility. If the Setup Utility
is not already running, begin at step 1. If the Setup Utility is already running, begin at step 2.
1.To start the Setup Utility, turn on or restart the computer, and then press f10 while “Press 
to enter setup” is displayed in the lower-left corner of the screen.
2.Use the arrow keys to select System Configuration > Language, and then press enter.
3.Press f5 or...

Restoring default settings in the Setup Utility
The following procedure explains how to restore the Setup Utility default settings. If the Setup Utility is
not already running, begin at step 1. If the Setup Utility is already running, begin at step 2.
1.To start the Setup Utility, turn on or restart the computer, and then press f10 while “Press 
to enter setup” is displayed in the lower-left corner of the screen.
2.Select Exit > Load Setup Defaults, and then press enter.
3.When the Setup Confirmation is...

Closing the Setup Utility
You can close the Setup Utility with or without saving changes.
●To close the Setup Utility and save your changes from the current session, use either of the
following procedures:
◦Press f10, and then follow the instructions on the screen.
— or —
◦If the Setup Utility menus are not visible, press esc to return to the menu display. Then use
the arrow keys to select Exit > Exit Saving Changes, and then press enter.
When you use the f10 procedure, you are offered an option to...

System Configuration menu
Select To do this
Language Support Change the Setup Utility language.
Enhanced SATA support (select models only) Enable/disable enhanced SATA mode.
Boot Options Set the following boot options:
●f10 and f12 Delay (sec.)―Set the delay for the f10 and
f12 functions of the Setup Utility in intervals of 5
seconds each (0, 5, 10, 15, 20).
●CD-ROM boot―Enable/disable boot from CD-ROM.
●Floppy boot―Enable/disable boot from Floppy.
●Internal Network Adapter boot―Enable/disable boot
from...

6 Specifications
Computer specifications
 Metric U.S.
Dimensions
Height (front to back) 3.1 to 3.9 cm 1.22 to 1.54 in
Width 30.6 cm 12.05 in
Depth 22.4 cm 8.82 in
Weight (with optical drive, hard drive,
and battery)1.95 kg 4.29 lbs
Input power
Operating voltage 18.5 V dc @ 3.5 A - 65 W
Operating current 3.5 A
Temperature
Operating (not writing to optical disc) 0°C to 35°C 32°F to 95°F
Operating (writing to optical disc) 5°C to 35°C 41°F to 95°F
Nonoperating -20°C to 60°C -4°F to 140°F
Relative humidity...

 Metric U.S.
Nonoperating 1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate
NOTE:Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within
this range of temperatures.
12.1-inch, WXGA BrightView display specifications
 Metric U.S.
Dimensions
Height 16.2 cm 6.4 in
Width 26.0 cm 10.2 in
Diagonal 30.6 cm 12.1 in
Number of colorsUp to 16.8 million
Contrast ratio300:1 (typical)
Brightness200 nits (typical)
Pixel resolution
Pitch 0.300 × 0.300...

Hard drive specifications
 320-GB* 250-GB* 160-GB* 120-GB*
Dimensions
Height 9.5 mm 9.5 mm 9.5 mm 9.5 mm
Width 70 mm 70 mm 70 mm 70 mm
Weight 101 g 101 g 101 g 101 g
Interface typeATA-7 ATA-7 ATA-7 ATA-7
Transfer rate
Synchronous (maximum) 100 MB/sec100 MB/sec 100 MB/sec 100 MB/sec
Security ATA security ATA security ATA security ATA security
Seek times (typical read, including setting)
Single track 3 ms 3 ms 3 ms 3 ms
Average 13 ms 13 ms 13 ms 13 ms
Maximum 24 ms 24 ms 24 ms 24 ms
Logical...

DVD±RW and CD-RW SuperMulti Double-Layer Combo
Drive specifications
Applicable disc Read:
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT,
CD-ROM, CD-ROM XA, MIXED MODE
CD, CD-I, CD-I Bridge (Photo-CD,
Video CD), Multisession CD (Photo-
CD, CD-EXTRA, Portfolio, CD-R, CD-
RW), CD-R, CD-RW, DVD-ROM
(DVD-5, DVD-9, DVD-10, DVD-18),
DVD-R, DVD-RW, DVD+R, DVD+RW,
DVD-RAMWrite:
CD-R and CD-RW
DVD+R, DVD+RW, DVD-R, DVD-RW,
DVD-RAM
Access timeCD DVD
Random < 175 ms < 230 ms
Cache buffer2 MB
Data transfer rate
24X CD-ROM 3,600...

System DMA specifications
Hardware DMA System function
DMA0 Not applicable
DMA1* Not applicable
DMA2* Not applicable
DMA3 Not applicable
DMA4 Direct memory access controller
DMA5* Available for PC Card
DMA6 Not assigned
DMA7 Not assigned
*PC Card controller can use DMA 1, 2, or 5.
System DMA specifications 81 

System interrupt specifications
Hardware IRQ System function
IRQ0 System timer
IRQ1 Standard 101-/102-Key or Microsoft® Natural Keyboard
IRQ2 Cascaded
IRQ3 USB2 Enhanced Host Controller—24CD
IRQ4 COM1
IRQ5* Conexant AC—SMBus Controller—24C3 Data Fax Modem with SmartCP
IRQ6 Diskette drive
IRQ7* Parallel port
IRQ8 System CMOS/real-time clock
IRQ9* Microsoft ACPI-compliant system
IRQ10* USB UHCI controller—24C2
Graphic Controller
Realtek RTL8139 Family PCI Fast Ethernet Controller
IRQ11 USB EHCI...