HP t740 Hardware Reference Guide - Page 51

Security > System IDs, File > Save Changes and Exit

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4. If the Ownership Tag or Asset Tag is set, manually clear it under Security > System IDs. 5. Select File > Save Changes and Exit. 6. To clear the Setup or Power-On passwords, if set, and clear any other settings, turn off the computer and remove the power cord and the computer hood. 7. Locate the (black) two-pin password jumper on header E49 (labeled PSWD) and remove it. 8. Remove AC power, wait 10 sec until the power has drained out, and then press the Clear CMOS button. (This button is usually a yellow push button, labeled CMOS). 9. Replace the hood and power cord and turn the computer on. The passwords are now cleared and all other user-configurable, non-volatile memory settings are reset to their factory default values. 10. Re-enter the F10 setup utility. 11. Select File > Default Setup > Restore Factory Settings as Default. This action sets the default settings back to the factory defaults. 12. Select File > Apply Defaults and Exit. 13. Shut down the computer, remove power cord, and then place the (black) jumper back on header E49. Replace the computer hood and power cord. Table 4-16 Available memory devices and types Description Location/Size Power Loss of data Comments System Boot ROM (BIOS) SPI ROM (128 Mb) socketed, removable. System memory (RAM) SODIMM socket. Removable (4 GB/8 GB/16 GB) Main power If main power is removed Only S0/S3/S5/G3 ACPI states are supported RTC (CMOS) RAM RTC RAM is 256 byte RAM Memory in AMD embedded System on Chip (SoC). Main/battery If battery power is removed Keyboard/mouse (ROM) 2 KB embedded in the Main super I/O controller (SIO18) Keyboard/mouse (RAM) 256 bytes embedded in Main the super I/O controller (SIO18) If main power is removed LOM EEPROM Discrete 2 MB SPI ROM Aux One Time programmable memory (OTP) TPM 7206 bytes Main The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Statement of Volatility 45

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4.
If the Ownership Tag or Asset Tag is set, manually clear it under
Security > System IDs
.
5.
Select
File > Save Changes and Exit
.
6.
To clear the Setup or Power-On passwords, if set, and clear any other settings, turn off the computer and
remove the power cord and the computer hood.
7.
Locate the (black) two-pin password jumper on header E49 (labeled PSWD) and remove it.
8.
Remove AC power, wait 10 sec until the power has drained out, and then press the Clear CMOS button.
(This button is usually a yellow push button, labeled CMOS).
9.
Replace the hood and power cord and turn the computer on. The passwords are now cleared and all
other user-configurable, non-volatile memory settings are reset to their factory default values.
10.
Re-enter the F10 setup utility.
11.
Select
File > Default Setup > Restore Factory Settings as Default
. This action sets the default settings
back to the factory defaults.
12.
Select
File > Apply Defaults and Exit
.
13.
Shut down the computer, remove power cord, and then place the (black) jumper back on header E49.
Replace the computer hood and power cord.
Table 4-16
Available memory devices and types
Description
Location/Size
Power
Loss of data
Comments
System Boot ROM (BIOS)
SPI ROM (128 Mb)
socketed, removable.
System memory (RAM)
SODIMM socket.
Removable (4 GB/8
GB/16 GB)
Main power
If main power is
removed
Only S0/S3/S5/G3 ACPI
states are supported
RTC (CMOS) RAM
RTC RAM is 256 byte
RAM Memory in AMD
embedded System on
Chip (SoC).
Main/battery
If battery power is
removed
Keyboard/mouse (ROM)
2 KB embedded in the
super I/O controller
(SIO18)
Main
Keyboard/mouse (RAM)
256 bytes embedded in
the super I/O controller
(SIO18)
Main
If main power is
removed
LOM EEPROM
Discrete 2 MB SPI ROM
Aux
One Time programmable
memory (OTP)
TPM
7206 bytes
Main
The information contained herein is subject to change without notice.
The only warranties for HP products and services are set forth in the express warranty statements
accompanying such products and services. Nothing herein should be construed as constituting an additional
warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Statement of Volatility
45