HP t420 Troubleshooting Guide - Page 44

File > Apply Defaults and Exit

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12. Select File > Apply Defaults and Exit. 13. Shut down the computer, remove the AC power cord and place the (blue/green) jumper back on header E49. Replace the computer hood and power cord. Model t420 Description System Boot ROM (BIOS) System memory (RAM) RTC (CMOS) RAM Keyboard/mouse (ROM) Keyboard/mouse (RAM) Location/Size Power SPI ROM (64 Mbit) socketed, removable. SODIMM socket. Removable (4GB/ 8GB) Main power RTC RAM is 256 bytes RAM Memory embedded in AMD APU's System on Chip (SOC). Main/battery 2k bytes embedded Main in the super I/O controller (SIO12) 256 bytes Main embedded in the super I/O controller (SIO12) Loss of data Comments If main power is removed If battery power is removed Only S0/S3/S5/G3 ACPI states are supported If main power is removed 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. If you require additional information or need assistance please contact Charlie Shaver at 281-518-7453. 38 Appendix H Statement of Volatility

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12.
Select
File > Apply Defaults and Exit
.
13.
Shut down the computer, remove the AC power cord and place the (blue/green) jumper back on header
E49. Replace the computer hood and power cord.
Model
Description
Location/Size
Power
Loss of data
Comments
t420
System Boot ROM
(BIOS)
SPI ROM (64 Mbit)
socketed,
removable.
System memory
(RAM)
SODIMM socket.
Removable (4GB/
8GB)
Main power
If main power is
removed
Only S0/S3/S5/G3
ACPI states are
supported
RTC (CMOS) RAM
RTC RAM is 256
bytes RAM Memory
embedded in AMD
APU’s System on
Chip (SOC).
Main/battery
If battery power is
removed
Keyboard/mouse
(ROM)
2k bytes embedded
in the super I/O
controller (SIO12)
Main
Keyboard/mouse
(RAM)
256 bytes
embedded in the
super I/O controller
(SIO12)
Main
If main power is
removed
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.
If you require additional information or need assistance please contact Charlie Shaver at 281-518-7453.
38
Appendix H
Statement of Volatility