HP dx2040 - Microtower PC Setup guide

dx2040 Illustrated Parts & Service Map, MT Chassis 571404-001 page1
Illustrated Parts & Service Map
HP Compaq dx2040 Microtower Business PC
© 2009 Hewlett-Packard Development Company, L.P. The information con-
tained herein is subject to change without notice. HP shall not be liable for
technical or editorial errors or omissions contained herein.
Document Number 571404-001. 1st Edition May 2009.
NOTE: See http://partsurfer.hp.com for current spare parts listings.
Key Specifications
Spare Parts
Processor Type VIA C7-D Model D 1.8-GHz, 128K L2 cache, 800-MHz FSB
RAM Type PC2-6400 (800 MHz) non-ECC (system downgrades to PC2-5300
(667 MHz) non-ECC
Maximum RAM 4 GB
Expansion Slots • 1 PCIe-x16
•1PCIe-x1
• 2 PCI 2.3
Graphics Adapter
VIA Chrome9™ HC Integrated Graphics with 2D/3D/Video Controllers
Drive Bays • 2 external 5.25-inch (13.335 cm) optical drive bays
• 2 internal 3.5-inch (8.89 cm) hard drive bays
• 1 external 3.5-inch (8.89 cm) bay for media reader or diskette drive
I/O Interfaces Rear: parallel, COM, USB 2.0 (4), RJ-45 (1), line-in or rear speaker
out(for 4 or 5.1 channel) line out or front speaker out (for 4 or 5.1
channel), mic-in or center/subwoofer speaker out (for 5.1 channel
only), PS/2 ports (2), VGA (1)
Front: mic, headphone, USB 2..0 (2)
Operating Systems • Windows Vista Business 32
• Windows Vista Home Basic
• Windows Vista Business w/downgrade to Windows XP Professional
• Windows XP Home
• Red Flag
• FreeDOS
System Unit
1 Front bezel 570029-001
2 Access panel 440197-001
3 Chassis not spared
4 Power supply, PFC, 250W 570028-001
5 Bezel blank, 5.25 inch 335937-005
* Bezel blank, 3.5 inch 459913-001
*Not shown
Cables
1 SATA hard drive cable, 10 inch (2 straight ends) 392307-001
2 PATA to SATA cable adapter 572506-001
* SATA cable, 14 inch (2 straight ends) (use for optical drive 1) 391740-001
*Not shown
Mass Storage Devices (not illustrated)
Diskette drive, 3.5-inch, with bezel and mounting screws 431452-001
48X SATA CD-RW/DVD-ROM drive 419496-001
16X SATA DVD±RW and CD-RW drive with LightScribe 447310-001
80 GB, 7200-RPM SATA hard drive, 8-MB cache 449978-001
160 GB, 7200-RPM SATA hard drive, 8-MB cache 449979-001
250 GB, 7200-RPM SATA hard drive, 8-MB cache 449980-001
320 GB, 7200-RPM SATA hard drive, 8-MB cache 497731-001
Media card reader, 3.5 inch 480033-001
Keyboards (not illustrated)
PS/2, Basic, People’s Republic of China (PRC) 435302-AA1
USB, Basic, People’s Republic of China (PRC) 435382-AA1
Standard and Optional Boards
System board with thermal grease, alcohol pad, and CPU socket cover
1 Standard board 570030-001
2 Memory module, 1 GB, PC2-6400, CL6 418951-001
2 Memory module, 2 GB, PC2-6400, CL6 457624-001
* ATI HD3450, 256-MB graphics card 491168-001
* Not shown

dx2040 Illustrated Parts & Service Map, MT Chassis 571404-001 page2
System Board
System Setup and Boot
Basic system information regarding system information, setup, power management, hardware,
and passwords is maintained in the Setup Utility held in the system ROM. The Setup Utility is
accessed by pressing the F10 key when prompted (on screen) to do so during the boot sequence.
If the screen prompt opportunity is missed, a restart will be necessary.
Miscellaneous Parts
1 Chassis fan with mounting screws 438741-001
2 Power switch and LED cable assembly 572505-001
3 Front USB cable 457230-001
* Internal speaker 438607-001
* Mouse, PS2,optical 417966-001
* Mouse, optical 390938-001
* Mouse, USB, laser 459821-001
*Foot (4 ea) 370708-001
*Second serial port 530599-001
*Rear I/O cover 530849-001
*Not shown
System Board Connectors and Jumpers (position of some untitled components
may vary in location)
X1PCIEXP1 PCI Express Slot 1 PSWD Password jumper
X16PCIEXP
x16 PCI Express slot (graphics) FLOPPY Floppy drive connector
AUD Front audio connector PWR Power supply connector
(24-pin)
RJ45/USB RJ-45/USB connector
PRIMARY Primary IDE connector
USB USB connector SATA1 Second SATA connector
PAR/SER/SET Parallel, serial port SATA0 First SATA connector
PS2 PS/2 connectors JFP1
Pwr switch/LED connector
CHFAN Chassis fan connector MEDIA Media card reader
COMB 2nd serial port connector FRNT USB Front USB connector
PWRCPU Power supply connector
(4-pin)
CMOS Clear CMOS switch
PROCESSOR Processor socket SPKR Speaker connector
CPUFAN Heat sink fan FRNT AUD Front audio connector
DIMM1 Memory slot PCI2 PCI slot
DIMM2 Memory slot PCI1 PCI slot
Computer Setup Menu
Heading Option / Description
System
Information
Lists the following main system specifications:
• Product Name
• SKU Number
• Processor Type
• Processor Speed
• System ROM
• Cache Size
• Memory Size
• Integrated MAC
• UUID
• System Serial #
• Asset Tracking Number
Main Date
(mm/dd/yyyy)
Allows you to set system date.
Time
(hh/mm/ss)
Allows you to set system time.
PATA Ch an -
nel 0 Master
For each, if PATA HDD is used, allows you to:
PATA Ch an -
nel 0 Slave
• Run HDD self-test for selected channel: SMART Status
Check, HDD Short Self-Test, HDD Extended Self-Test
• Auto-detect HDD size and head
• Set PATA Ch 0 Master/Slave device details on selected
channel to None, Auto, Manual
• Set access mode on selected channel to CHS, LBA,
Large, Auto
• View Firmware, Capacity, Cylinder, Head, Precomp,
Landing Zone, Sector
SATA Port 0 For each allows you to:
SATA Port 0 • Run HDD self-test for selected channel: SMART Status
Check, HDD Short Self-Test, HDD Extended Self-Test
• Auto-detect HDD size and head
• Set extended IDE drive on selected channel to None, Auto
• Set access mode on selected channel to Large, Auto
• View Firmware, Capacity, Cylinder, Head, Precomp,
Landing Zone, Sector
Onboard FDC
Controller
Disable/enable the diskette drive controller.
Drive A Allows you to set to None or 1.4M, 3.5 in.
Halt On Allows you to set POST error behavior to: all errors, no
errors, all but keyboard.
POST Delay Allows you to set POST delay to 0, 5, 10, 15, or 30 seconds
Advanced Init Display
First
Allows you to set primary display device to PCI slot, OnChip
VGA, or PCIEx.
VGA Share
Memory
Size
Allows you to select the onboard VGA memory size: Dis-
abled, 64MB, 128MB, 256MB
Direct Frame
Buffer
Disables/enables direct frame buffer.
Onboard
Audio
Allows you to set to Auto, Disable.
USB Legacy
Support
Disable/enable (USB keyboard, mouse, and flash media).
OnChip USB
Controller
Disable/enable the universal host controller interface for USB
Onboard LAN Disable/enable onboard LAN controller.
Onboard LAN
Boot ROM
Disable/enable the boot ROM of the onboard LAN chip.
Onboard
Serial Port 1
or 2
Allows you to select: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/
IRQ4, or 2E8/IRQ3.
Onboard Par-
allel Port
Allows you to select: Disabled, 378/IRQ7, 278/IRQ5, or
3BC/IRQ7.
Parallel Port
Mode
Allows you to select: SPP, EPP, ECP, ECP + EPP, or Normal.
After AC
Power Loss
Allows you to select power loss behavior to On, Off, or Last
state.
Wake o n PCI
Device from
S5
Disable/enable
RTC Alarm
Resume
Disable/enable
Date (of
Month)
If RTC Alarm is enabled, allows you to select day of month to
resumption (0 = every day).
Resume Time
(hh:mm:ss)
If RTC Alarm enabled, allows you to select time to resume.
Boot F9 Boot Menu Disable/enable
F10 Setup
Prompt
Disable/enable F10 Setup prompt on the logo screen.
F11 Recovery Disable/enable no prompt/enable and prompt
F12 Boot
from LAN
Prompt
Disable/enable
Removable
Device Boot
Seq.
Allows you to specify the order of attached removable
devices. The first drive in the order has priority and is recog-
nized as drive A.
Hard Disk
Boot Seq.
Allows you to specify the order of attached hard drive devices
(USB HDD or USB flash media). The first attached drive in
the order has priority and is recognized as drive C.
Optical Drive
Boot Seq.
Allows you to specify the order in which attached optical
drives (including USB ODD) are checked for a bootable oper-
ating system image.
Network Boot
Seq.
Allows you to specify the order in which network devices
(including UP NIC cards) are checked for a bootable operat-
ing system image.

dx2040 Illustrated Parts & Service Map, MT Chassis 571404-001 page3
Password Security
Establishing a Supervisor Password:
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. If you do not press F10
when prompted, a restart will be necessary.
3. Select Boot > Set Supervisor Password and follow the instructions on the screen.
4. Before exiting, click File > Save and Exit Setup.
Establishing a User Password:
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. If you do not press F10
when prompted, a restart will be necessary.
3. Select Boot > Set User Password and follow the instructions on the screen.
Before exiting, click File > Save and Exit Setup.
Changing a Password:
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.
3. When the key icon appears, type your current password
4. Select Boot > Set Supervisor (or user) Password.
5. Enter the new password (or nothing for no password) in the key icon and press Enter
The new password will take effect the next time the computer is restarted.
Deleting a Password
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.
3. When the key icon appears, type your current password
4. Select Boot > Set Supervisor (or user) Password.
5. Enter nothing for no password in the key icon and press Enter.
The new password will take effect the next time the computer is restarted.
Recovering the Configuration Settings
Backing Up the CMOS
1. Make sure the computer to be backed up is turned on. Connect the removable storage to the
computer.
2. Boot to DOS.
3. Type N:\folder\BIOS.exe SAVE:ABC001.DAT (where Nis the drive letter of the removable
storage) to save the CMOS setting to the removable storage device.
Restoring the CMOS
1. Make sure the target computer is turned on. Connect the removable storage to the target
computer.
2. Boot to DOS.
3. Type N:\folder\BIOS.exe LOAD:ABC001.DAT (where Nis the drive letter of the removable
storage) to load the custom CMOS setting onto the target system.
Diagnostic Functions
Diagnostic functions are provided by the Setup Utility (in system ROM) and by Insight Diag-
nostics. Insight Diagnostics provides detailed system information including:
• Processor type and speed
• Memory amount, mapping, and integrity
• Hardware peripheral availability/settings
• Hard drive type, space used/available
• System identification, asset tracking
Insight Diagnostics may be found on the Documentation and Diagnostics CD that shipped with
the computer. The tool may also be downloaded from the hp Web site using the following pro-
cedure:
1. Go to www.hp.com
2. Click the Software and Download driver link.
3. Enter the product number (for example, dx2040) in the text box and press the Enter key.
4. Select the specific product.
5. Select the OS.
6. Click the Diagnostics link.
7. Select HP Insight Diagnostics Offline Edition.
8. Select the proper language and click Download.
Computer Setup Menu (Continued)
Heading Option / Description
Boot
(continued)
First, Second,
Third, and
Fourth Boot
Device
Allows you to specify which devices will boot in which
sequence or to disable any of the four: removable, hard disk,
CDROM, network, or disabled.
Set Supervisor
Password
Allows you to establish a password to enter Computer Setup
Set User Pass-
word
Allows you to establish a password to enter the computer
(must have Supervisor password established)
Security
Option
Allows you to set security option to Setup or System so that
the password is required each time the system boots or only
when entering Computer Setup.
BIOS Write
Protection
Enable to prevent BIOS from being updated.
PC Health Current CPU
Temperature
View only
Current Sys-
tem Temp
View only
System Fan
Speed
View only
Smart Fan
Function
Disable/enable
Exit Save & Exit
Setup
Allows you to save current settings and exit Computer Setup.
Exit Without
Saving
Allows you to exit Computer Setup without saving changes.
Load Opti-
mized defaults
Allows you to reset Computer Setup to factory defaults.
Diagnostic LEDs
Activity
Beeps Possible Cause Recommended Action
Green Power
LED On
None Computer on None
Green LED
flashes every 2
seconds
None Computer in Suspend to
RAM mode (some mod-
els
only) or normal Suspend
mode.
None required. Press any key or move
the mouse to wake the computer.
CPU fan weak
(RPM < 1000) or
not turning. A
warning mes-
sage is dis-
played along
with a series of
long beeps for 5
secs, then the
system shuts
down.
2 Processor thermal
protection activated:
A fan may be blocked or
not turning.
OR
The heatsink/fan
assembly is not properly
attached to the processor.
1. Ensure air vents not blocked and
processor cooling fan running.
2. Open hood, press power button, see
if processor fan spins. If not, make
sure fan cable plugged onto system
board header. Ensure fan properly
seated.
3. If fan plugged in and seated prop-
erly, but not spinning, replace fan.
4. Reseat processor heatsink and ver-
ify fan assembly properly attached.
5. Contact authorized reseller or ser-
vice provider.
Red Power LED
flashes 5 times,
once/sec, fol-
lowed by a 2 sec
pause.
5 Pre-video memory error. CAUTION: To avoid damage to
DIMMs or system board, unplug
computer power cord before attempt-
ing to reseat, install, or remove a
DIMM.
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory with
HP memory.
4. Replace the system board.
Red Power LED
flashes 6 times,
once/sec, fol-
lowed by a 2 sec
pause.
6 Pre-video graphics error. For systems with a graphics card:
1. Reseat the graphics card.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated graphics,
replace the system board.
Red Power LED
flashes 8 times,
once/sec, fol-
lowed by a 2 sec
pause.
System board failure or
invalid ROM based on
bad checksum.
1. Reflash the system ROM with the
latest BIOS image.
2. Replace the system board.
System does not
power on and
LEDs are not
flashing.
None System unable to power
on.
Press/hold power button < 4 secs. If
hard drive LED turns green, power
button working correctly. Try:
1. Check voltage selector (some mod-
els), located on rear of power supply,
set to correct voltage (depends on
region).
2. Replace the system board.
OR
Press/hold power button < 4 secs. If
hard drive LED not green then:
1. Check unit plugged into working
AC outlet.
2. Open hood, check power button
harness properly connected to sys-
tem board.
3. Check both power supply cables
properly connected to system board.