dynabook SATELLITE C50-H, Maintenance Manual

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4
3.1.3 Maintenance Tips for BIOS Ver. & DMI Info
When the BIOS version of the PC differs from the BIOS that can be rewritten (writeable BIOS Ver. is shown in the menu
line) by this tool, or when DMI info is not written (in case of
“
Default string
”
or
“
To Be Filled
”
), the corresponding portion
will be displayed in red like below:
3.2 BIOS Update (when motherboard is replaced)
3.2.1 Function Description
When motherboard is replaced for maintenance parts, BIOS (EC) & DMI info needs to be updated. If you replaced the
motherboard, please use this menu to flash the BIOS FW first.
Note:

When motherboard is replaced, BIOS setting value is standard/defualt value. Make a note of the BIOS setting
before replacing the motherboard.

After BIOS updated, please update DMI info as described in next section
“
DMI Update
”, also you should re
-update
it to latest BIOS including EC as described in later section
“
BIOS Update (when motherboard is NOT replaced)
”.
3.2.2 Update Procedure
1) Startup the IP3 YangPass Maintenance Tool , on the initial screen, input [1] and press the [Enter] key.
(Below
“
BIOS Ver.: KN16RV100
”
indicated current menu
’
s writeable BIOS selected by this tool)
2) The following confirmation message will be displayed, input
[y]
and press the
[Enter]
key to continue BIOS Update.
(
Note:
input
[n]
and press the
[Enter]
key to return to the initial screen if you do not want to update BIOS.)