HP Dx5150 HP Business Desktop dx5150 Series-Personal Computer Illustrated Part - Page 2

Disabling or Clearing the Power-On and Setup Passwords - ram

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Miscellaneous Parts 1 Heatsink with fan, alcohol pad, and thermal grease 383184-001*⌧ 409819-001 2 Chassis fan 383593-001*⌧ 409850-001 3 Trusted Platform Module (TPM) 366504-001*⌧ 4 Drive Key, 128 MB 349988-005*⌧ # Drive Key, 256 MB 372889-001*⌧ 5 Speaker 383176-001*⌧ 410291-001 # Processor backing plate 383179-001*⌧ 410278-001 # Real-time clock battery 153099-001 Mouse # 2-Button, PS/2 with scroll wheel 323614-005*⌧ 390937-001 # 2-Button, USB, with scroll wheel 323615-005*⌧ 390939-001 # 2-Button, USB, optical with scroll wheel 323617-005*⌧ 390938-001 Modem Cable Adapters (not illustrated) (use with 198220-005) *⌧ Belgium 316904-181 Israel 316904-BB1 Cameroon 316904-AR1 Italy 316904-065 Czech 234963-225 Netherlands 316920-335 Denmark 316904-085 Norway 234963-095 Germany 316904-045 Poland/Russia 316904-241 Greece 316904-151 Sweden 316904-105 Finland 316904-355 Switzerland 304398-115 France 316904-051 Turkey 316904-141 Hungary 234963-215 U.K. 158593-035 * See Requirement previous page # Not shown Miscellaneous Screw Kit (not illustrated) Miscellaneous screw kit #6-32 x .250, hitop, taptite (192308-001) 4 ea #6-32 x .312, hitop, speaker (192308-002) 4 ea Countersunk, flat head plastite (247481-001) 2 ea M3 x 5mm, hitop (263585-001) 4 ea #6-32 x .250, hitop (262508-001) 8 ea #6-32 x .250, pan head (101517-067) 3 ea #6-32 x .312, hitop (262508-002) 4 ea #6-19 x .312, pan head (101346-068) 2 ea #6-19 x .315, T15 head (331310-001) 2 ea * See Requirement previous page 337237-005 *⌧ 337237-001 System Board Connectors and Jumpers (position of some untitled components may vary in location) ATX1 Main power connector (24 pin) AUD1 Front I/O panel audio AUX_IN1 Aux audio in BAT1 Battery CD_IN1 CD audio in CHASSIS_ System fan FAN COM1 Flying serial port CPU_FAN Processor fan CPU1 Processor socket F_P1 Hood sensor FDD1 Diskette drive IDE1 IDE drive connector J4 Boot block (default = off) J5 Password enable (default = off) JPW1 4-pin aux power connector JTPM1 TPM security module JUSB1 Front USB connector PCI1 PCI socket 1 PCI2 PCI socket 2 PCIE1X1 PCI Express x1 connector PCIE16X1 PCI Express x16 connector SATA1 SATA2 SPKR SW2 XMM1 XMM2 XMM3 XMM4 SATA drive SATA drive Internal audio CMOS switch Memory socket Memory socket Memory socket Memory socket System Hardware Interrupts IRQ System Function 0 Reserved, Timer Interrupt 1 Reserved, Keyboard Buffer Full Coprocessor 4 Serial Port (COM 1) 5 PCI System Management 6 Diskette Drive Controller 8 Real-Time Clock Controller 9 ACPI Compliant System IRQ System Function 12 Onboard Mouse Port 13 Reserved, Numeric Port 14 Primary (IDE) Controller 15 Secondary (IDE) Controller 19 Integrated Graphics (GPU) 21 Integrated Audio/USB Host 22 Network Interface Card (NIC) Computer Diagnostic LEDs (on front of computer) LED Color LED/Beep Activity State/Message Power Green On (S0) Computer on Power Green 1 blink every 2 seconds (S1) Suspend mode Power Green 1 blink every 2 seconds (S3) Suspend to RAM Power Red# 2 blinks and beeps 1 second apart CPU thermal shutdown Power Red# 3 blinks and beeps 1 second apart CPU not installed Power Red# 4 blinks and beeps 1 second apart Power supply overload Power Red# 5 blinks and beeps 1 second apart Pre-video memory error Power Red# 6 blinks and beeps 1 second apart Pre-video graphics card error Power Red# 7 blinks 1 and beeps second apart System board failure (detected prior to video) Power Red# 8 blinks and beeps 1 second apart Invalid ROM checksum Power Red# 9 blinks and beeps 1 second apart System power on but is unable to boot Hard Drive Green Blinking Hard drive activity #Blinking codes are repeated after a two second pause. Beeps stop after fifth iteration, but LEDs continue until problem is resolved. Keyboard Diagnostic LEDs, PS/2 Keyboards Only LED Num Lock Color Green LED Activity On Caps Lock Green On Num, Caps, Scroll Lock Green Blink on in sequence, one at a time-N, C, SL Num, Caps, Green On Scroll Lock # Diagnostic lights do not flash on USB keyboards. State/Message ROMPaq diskette or ROMPaq CD not present, is bad, or drive not ready. Enter password. Keyboard locked in network mode. Boot Block ROM Flash successful. Turn power off, then on to reboot. Clearing CMOS Using Computer Setup The computer's configuration (CMOS) stores password information and information about the computer's configuration. To clear and reset the configuration, perform the following procedure: ✎ This is the preferred method for clearing CMOS. However, if you cannot access Computer Setup, refer to the next section for instructions on using the CMOS switch to clear CMOS. 1. Turn on or restart the computer. If you are in Microsoft Windows, click Start > Shut Down > Restart. 2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. ✎ If you do not press F10 at the appropriate time, you must restart the computer and press and hold F10 until you enter Computer Setup. 3. Use the arrow keys to select Load Optimized Defaults, then press Enter. 4. To apply and save changes, press F10, or select Save & Exit Setup and press Enter. Clearing CMOS Using the CMOS Switch The computer's configuration (CMOS) may occasionally be corrupted. If it is, it is necessary to clear the CMOS memory using switch SW2. To clear and reset the configuration, perform the following procedure: 1. Prepare the computer for disassembly. Ä CAUTION: You must disconnect the power cord from the power source before sliding the Clear CMOS switch (NOTE: All LEDs on the board should be OFF). The CMOS switch will not clear CMOS if the power cord is connected. 2. Remove the access panel. 3. Slide the CMOS button located on the system board and hold it for 5 seconds. 4. Replace the access panel. 5. Turn the computer on and run F10 Computer Setup (Setup Utility) to reconfigure the system. Disabling or Clearing the Power-On and Setup Passwords 1. Turn off the computer and any external devices, and disconnect the power cord from the power outlet. 2. With the power cord disconnected, press the power button again to drain any residual power from the computer. 3. Remove the access panel. 4. Locate the header and green jumper labeled J5. 5. Remove the jumper from pins 1 and 2. Place the jumper over either pin 1 or pin 2, but not both, to avoid losing it. 6. Replace the access panel. 7. Plug in the computer and turn on power. Allow the operating system to start, which clears current passwords and disables the password features. 8. To re-enable the password features, repeat steps 1-3, then replace the jumper on pins 1 and 2. 9. Repeat steps 6-8, then establish new passwords in Computer Setup. Refer to the Computer Setup (F10 Setup) instructions to establish new passwords. Computer Setup (F10) Utility Features (not all features may be available) System Information Displays Standard CMOS Features Date Time PATA IDE Channel 0 Master PATA IDE Channel 1 Master PATA IDE Channel 2 Master Drive A Floppy 3 Mode Support Halt On POST Delay Advanced BIOS Features Advanced Chipset Features Removable Device Boot Priority Hard Disk Boot Priority CD-ROM Boot Priority Network Boot Priority MBR Security Internal Video Mode AGP Aperture Size Quick Power On Self Test First Boot Device Second Boot Device Third Boot Device Fourth Boot Device UMA Frame Buffer Size Video Display Devices Boot Up NumLock Status APIC Function MPS Version Control for OS HDD S.M.A.R.T. Capability BIOS Write Protection Auto Detect PCI Clk Spread Spectrum Integrated Peripherals Power Management Setup South OnChip IDE Device South OnChip PCI Device Init Display First Surroundview ACPI Function ACPI Suspend Type After AC Power Loss OnChip USB Controller Front Panel USB Port Onboard FDC Controller Onboard Serial Port PowerOn by PCI Card AMD Cool'n'Quiet RTC Alarm Resume Onboard Parallel Port Parallel Port Mode ECP Mode Use DMA Date (of Month) Resume Time PnP/PCI Reset Configuration Data Configuration Resources Controlled By IRQ Resource PCI/VGA Palette Snoop Assign IRQ for VGA Assign IRQ for USB PC Health Status System Information Load Optimized Defaults Set Supervisor Password Set User Password Save & Exit Setup Exit Without Saving

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Miscellaneous Parts
1
Heatsink with fan, alcohol pad, and thermal grease
383184-001*
409819-001
±
2
Chassis fan
383593-001*
409850-001
±
3
Trusted Platform Module (TPM)
366504-001*
4
Drive Key, 128 MB
349988-005*
#
Drive Key, 256 MB
372889-001*
5
Speaker
383176-001*
410291-001
±
#
Processor backing plate
383179-001*
410278-001
±
#
Real-time clock battery
153099-001
±
Mouse
#
2-Button, PS/2 with scroll wheel
323614-005*
390937-001
±
#
2-Button, USB, with scroll wheel
323615-005*
390939-001
±
#
2-Button, USB, optical with scroll wheel
323617-005*
390938-001
±
Modem Cable Adapters (not illustrated) (use with 198220-005) *
Belgium
316904-181
Israel
316904-BB1
Cameroon
316904-AR1
Italy
316904-065
Czech
234963-225
Netherlands
316920-335
Denmark
316904-085
Norway
234963-095
Germany
316904-045
Poland/Russia
316904-241
Greece
316904-151
Sweden
316904-105
Finland
316904-355
Switzerland
304398-115
France
316904-051
Turkey
316904-141
Hungary
234963-215
U.K.
158593-035
* See
Requirement
previous page
# Not shown
Miscellaneous Screw Kit (not illustrated)
Miscellaneous screw kit
337237-005 *
337237-001
±
#6-32 x .250, hitop, taptite (192308-001) 4 ea
#6-32 x .312, hitop, speaker (192308-002) 4 ea
Countersunk, flat head plastite (247481-001) 2 ea
M3 x 5mm, hitop (263585-001) 4 ea
#6-32 x .250, hitop (262508-001) 8 ea
#6-32 x .250, pan head (101517-067) 3 ea
#6-32 x .312, hitop (262508-002) 4 ea
#6-19 x .312, pan head (101346-068) 2 ea
#6-19 x .315, T15 head (331310-001) 2 ea
* See
Requirement
previous page
System Board Connectors and Jumpers (position of some untitled components may vary in location)
ATX1
Main power connector (24 pin)
JTPM1
TPM security module
AUD1
Front I/O panel audio
JUSB1
Front USB connector
AUX_IN1
Aux audio in
PCI1
PCI socket 1
BAT1
Battery
PCI2
PCI socket 2
CD_IN1
CD audio in
PCIE1X1
PCI Express x1 connector
CHASSIS_
FAN
System fan
PCIE16X1
PCI Express x16 connector
COM1
Flying serial port
SATA1
SATA drive
CPU_FAN
Processor fan
SATA2
SATA drive
CPU1
Processor socket
SPKR
Internal audio
F_P1
Hood sensor
SW2
CMOS switch
FDD1
Diskette drive
XMM1
Memory socket
IDE1
IDE drive connector
XMM2
Memory socket
J4
Boot block (default = off)
XMM3
Memory socket
J5
Password enable (default = off)
XMM4
Memory socket
JPW1
4-pin aux power connector
System Hardware Interrupts
IRQ
System Function
IRQ
System Function
0
Reserved, Timer Interrupt
12
Onboard Mouse Port
1
Reserved, Keyboard Buffer Full Coprocessor
13
Reserved, Numeric Port
4
Serial Port (COM 1)
14
Primary (IDE) Controller
5
PCI System Management
15
Secondary (IDE) Controller
6
Diskette Drive Controller
19
Integrated Graphics (GPU)
8
Real-Time Clock Controller
21
Integrated Audio/USB Host
9
ACPI Compliant System
22
Network Interface Card (NIC)
Computer Diagnostic LEDs (on front of computer)
LED
Color
LED/Beep Activity
State/Message
Power
Green
On
(S0) Computer on
Power
Green
1 blink every 2 seconds
(S1) Suspend mode
Power
Green
1 blink every 2 seconds
(S3) Suspend to RAM
Power
Red#
2 blinks and beeps 1 second
apart
CPU thermal shutdown
Power
Red#
3 blinks and beeps 1 second
apart
CPU not installed
Power
Red#
4 blinks and beeps 1 second
apart
Power supply overload
Power
Red#
5 blinks and beeps 1 second
apart
Pre-video memory error
Power
Red#
6 blinks and beeps 1 second
apart
Pre-video graphics card error
Power
Red#
7 blinks 1 and beeps second
apart
System board failure (detected prior to video)
Power
Red#
8 blinks and beeps 1 second
apart
Invalid ROM checksum
Power
Red#
9 blinks and beeps 1 second
apart
System power on but is unable to boot
Hard Drive
Green
Blinking
Hard drive activity
#Blinking codes are repeated after a two second pause. Beeps stop after fifth iteration, but LEDs continue until problem
is resolved.
Keyboard Diagnostic LEDs, PS/2 Keyboards Only
LED
Color
LED Activity
State/Message
Num Lock
Green
On
ROMPaq diskette or ROMPaq CD not present,
is bad, or drive not ready.
Caps Lock
Green
On
Enter password.
Num, Caps,
Scroll Lock
Green
Blink on in sequence, one at a
time—N, C, SL
Keyboard locked in network mode.
Num, Caps,
Scroll Lock
Green
On
Boot Block ROM Flash successful. Turn power
off, then on to reboot.
# Diagnostic lights do not flash on USB keyboards.
Clearing CMOS Using Computer Setup
The computer's configuration (CMOS) stores password information and information about the computer’s configuration.
To clear and reset the configuration, perform the following procedure:
This is the preferred method for clearing CMOS. However, if you cannot access Computer Setup,
refer to the next section for instructions on using the CMOS switch to clear CMOS.
1.
Turn on or restart the computer. If you are in Microsoft Windows, click
Start > Shut Down > Restart
.
2.
As soon as the computer is turned on, press and hold the
F10
key until you enter Computer Setup.
If you do not press
F10
at the appropriate time, you must restart the computer and press and hold
F10
until you enter Computer Setup.
3.
Use the arrow keys to select
Load Optimized Defaults
, then press
Enter
.
4.
To apply and save changes, press
F10,
or select
Save & Exit Setup
and press
Enter
.
Clearing CMOS Using the CMOS Switch
The computer's configuration (CMOS) may occasionally be corrupted. If it is, it is necessary to clear the CMOS
memory using switch SW2.
To clear and reset the configuration, perform the following procedure:
1.
Prepare the computer for disassembly.
Ä
CAUTION:
You must disconnect the power cord from the power source before sliding the Clear CMOS
switch (NOTE: All LEDs on the board should be OFF). The CMOS switch will not clear CMOS if the
power cord is connected.
2.
Remove the access panel.
3.
Slide the CMOS button located on the system board and hold it for 5 seconds.
4.
Replace the access panel.
5.
Turn the computer on and run F10 Computer Setup (Setup Utility) to reconfigure the system.
Disabling or Clearing the Power-On and Setup Passwords
1.
Turn off the computer and any external devices, and disconnect the power cord from the power outlet.
2.
With the power cord disconnected, press the power button again to drain any residual power from the computer.
3.
Remove the access panel.
4.
Locate the header and green jumper labeled J5.
5.
Remove the jumper from pins 1 and 2. Place the jumper over either pin 1 or pin 2, but not both, to avoid losing it.
6.
Replace the access panel.
7.
Plug in the computer and turn on power. Allow the operating system to start, which clears current passwords and
disables the password features.
8.
To re-enable the password features, repeat steps 1-3, then replace the jumper on pins 1 and 2.
9.
Repeat steps 6-8, then establish new passwords in Computer Setup.
Refer to the Computer Setup (F10 Setup) instructions to establish new passwords.
Computer Setup (F10) Utility Features (not all features may be available)
System
Information
Displays
Standard
CMOS
Features
Date
Time
PATA IDE Channel 0 Master
PATA IDE Channel 1 Master
PATA IDE Channel 2 Master
Drive A
Floppy 3 Mode Support
Halt On
POST Delay
Advanced
BIOS
Features
Removable Device Boot
Priority
Hard Disk Boot Priority
CD-ROM Boot Priority
Network Boot Priority
MBR Security
Quick Power On Self Test
First Boot Device
Second Boot Device
Third Boot Device
Fourth Boot Device
Boot Up NumLock Status
APIC Function
MPS Version Control for OS
HDD S.M.A.R.T. Capability
BIOS Write Protection
Advanced
Chipset
Features
Internal Video Mode
AGP Aperture Size
UMA Frame Buffer Size
Video Display Devices
Auto Detect PCI Clk
Spread Spectrum
Integrated
Peripherals
South OnChip IDE Device
South OnChip PCI Device
Init Display First
Surroundview
OnChip USB Controller
Front Panel USB Port
Onboard FDC Controller
Onboard Serial Port
Onboard Parallel Port
Parallel Port Mode
ECP Mode Use DMA
Power
Management
Setup
ACPI Function
ACPI Suspend Type
After AC Power Loss
PowerOn by PCI Card
AMD Cool’n’Quiet
RTC Alarm Resume
Date (of Month)
Resume Time
PnP/PCI
Configuration
Reset Configuration Data
Resources Controlled By
IRQ Resource
PCI/VGA Palette Snoop
Assign IRQ for VGA
Assign IRQ for USB
PC Health
Status
System Information
Load Optimized Defaults
Set Supervisor Password
Set User Password
Save & Exit Setup
Exit Without Saving