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TK45
Level 9

EEPCv7: Windows 8 touch control on pre-boot.

Hi,

Have anyone ever tested Windows 8 touch control on EEPCv7 pre-boot authentication?

In order to use it on pre-boot, it seems that we need to enable "Enable on screen keyboard" policy at least, but I just would like to know if EEPCv7 can relly handle Windows 8 touch control.

To begin with, EEPCv7 doesn't support it...?

Regards,

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4 Replies
alexn
Level 14

Re: EEPCv7: Windows 8 touch control on pre-boot.

Yes, It will work, thats for sure, please have a look on it.

This option enables the Pre‑Boot On‑Screen Keyboard (OSK)

and the associated Wacom serial pen driver. When this option

is enabled, the pen driver finds a supported pen hardware

(Panasonic CF‑H1 and Samsung Slate 7) and displays the

OSK.

If you do not select this option, the BIOS will use mouse

emulation. In such a situation, the BIOS will treat the

digitizer as a standard mouse, which might lead to the

cursor being out of sync with the stylus on USB connected

Wacom pen digitizers.

Always display on screen keyboard — Forces the Pre‑Boot to always

display a clickable on‑screen keyboard regardless of

whether the pen driver finds suitable hardware or not.

Make sure to note that this is only valid for BIOS based

hardware. On UEFI, we should note that the digitizer is

managed by the UEFI software, so the UEFI

implementation needs to contain drivers for the digitizer.

You may give it a try and I belive you will get the maximum.

on 2/8/13 8:59:24 AM CST
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SafeBoot
Level 21

Re: EEPCv7: Windows 8 touch control on pre-boot.

Alex, you are thinking of EEPC5 on a BIOS PC, TK45 is talking about EEPC7 on a uEFI enabled device - a totally different piece of software.

The answer is, EEPC7 on uEFI uses the uEFI OS to provide support for all the devices, so the vendor of the device must provide either the Simple Pointer Protocol or the Absolute Pointer Protocol.

You can find out more about it here -

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TK45
Level 9

Re: EEPCv7: Windows 8 touch control on pre-boot.

alex,

Thank you for your explanations.

SafeBoot,

Thank you.

So, before installing EEPC to the PC, I always have to ask it to PC vender if the device of PC provides these protocols, right?

Regards,

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SafeBoot
Level 21

Re: EEPCv7: Windows 8 touch control on pre-boot.

If you can get a fast answer yes, though I suspect it would be quicker to install EEPC (without encryption) and test.

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