dynabook SATELLITE C50-H, Maintenance Manual

Page: 111 / 161

9
3.4 BIOS Update (when motherboard is NOT replaced)
3.4.1 Function Description
If you do not replace the motherboard, please use this menu to update the BIOS.
Note:

DMI info and OA 3.0 key will be preserved (won
’
t be initialized).

If current BIOS version of the PC is less than 0.11, and you update it to a version 1.00 (or later) directly, a faiure will
be appeared as
shown in “
4.3.3 Secure Flash Rom Verify fail
”. Try to upate it to version 0.11 first or use “
3.2
BIOS Update (when motherboard is replaced)
” to update the BIOS first
.
3.4.2 Update Procedure
1) Startup the dynaDesk Maintenance Tool , on the initial screen, input
[3]
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.)
3) BIOS update is started.
(Once the update is completed, press any key to reboot the system.)