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Dell Wyse ThinOS Version 8.5 Hotfix Administrator’s Guide

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BIOS management on ThinOS

This appendix describes the BIOS management on the ThinOS devices with Wyse BIOS (CMOS), or Dell Standard BIOS.

To make the BIOS management consistent between Wyse BIOS and Dell BIOS, an INI parameter Device=Cmos is introduced for Wyse BIOS, and Device=DellCmos for Dell Standard BIOS.

If the password is configured for the BIOS configuration, then you must enter an appropriate password to update any settings. For example, the INI parameter to update settings must be followed with “CurrentPassword={}”. This is mandatory for Dell BIOS.

After you update BIOS on Wyse 5010 thin client, Wyse 5040 thin client, Wyse 7010 thin client, Wyse 5060 thin client, and Wyse 3030 LT thin client by using file server, the BIOS management may not be possible until you manually enter and exit the BIOS configuration menu. This is due to a CMOS mismatch. To resolve this issue:

  • Boot unit and press Delete during boot to enter the BIOS menu.
  • Enter the BIOS password.
  • Press F10 to save BIOS configurations and resolve the CMOS mismatch.

BIOS functionality matrix

Table 1. BIOS functionality matrixThe following table lists the BIOS functionality matrix:
Major requirement INI parameter for BIOS management Wyse 5010 thin client, Wyse 5040 thin client, Wyse 7010 thin client Wyse 5060 thin client Wyse 3030 LT thin client Wyse 3040 thin client
Power on without beeps N/A Yes Yes Yes Yes
Update BIOS from file server N/A Yes Yes Yes Yes
Change BIOS password with INI Device=DellCmos CurrentPassword={} NewPassword={} Device=Cmos CurrentPassword={} NewPassword={} Yes Yes Yes Yes
Change boot order with INI Device=cmos BootOrder={PXE, HardDisk, USB} Yes Yes Yes Not applicable
Enable/Disable PXE imaging with INI Device=DellCmos PXEBootSupport={yes, no} Not applicable Not applicable Not applicable Yes
Enable/Disable USB imaging with INI Device=cmos BootFromUSB={yes, no} Device=DellCmos USBBootSupport={yes, no} Yes Yes Yes Yes
Manage AC recovery with INI Device=cmos AutoPower={yes, no} Device=DellCmos ACRecovery={PowerOff, PowerOn, LastState} Yes Yes Yes Yes
Manage auto on time with INI Device=DellCmos AutoPower={Disable, Daily, Workday} AutoPowerTime=hh:mm Device=Cmos AutoPowerDate=yes AutoPowerTime=2:30:30 AutoPowerDays=Sunday;Friday Yes Yes Yes Yes
CMOS Extract and Restore Device=cmos Action={extract, restore} CurrentPassword={} Device=DellCmos Action={extract, restore} CurrentPassword={} Yes Yes Yes Yes
Audio management with INI Device=cmos OnboardAudio={yes, no} Device=DellCmos Audio={yes, no} Yes Yes Yes Yes
USB Port management with INI Device=cmos USBController={yes, no} Device=DellCmos USBRearPort={yes, no} USBFrontPort={yes, no} (Rear/Front for Dell BIOS only) Yes Yes Yes Yes
Admin lockup management with INI Device=DellCmos AdminLock= {yes, no} Not applicable Not applicable Not applicable Yes
Wake on USB support Device=DellCmos WakeOnUSB={yes, no} Not applicable Not applicable Not applicable Yes
Wake On LAN Device=cmos WakeOnLan= {yes, no} Device=DellCmos WakeOnLan= {Disable, LAN, PXE} Yes Yes Yes Yes

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