Re: ASUS M2400N and monitor switching

[Luca Capello <luca-wlebWZzHoyE@public.gmane.org>]

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Hello,

on 12/17/03 06:28, Yu, Luming wrote:
| Is this ACPI issue? If yes, please provide some detail.
I don't know about the M2N/M3N, but monitor switching is an ACPI
features on some ASUS laptops. From the 'acpi4asus' readme:

|   You can turn the LCD panel on/off or read its status by echoing 0 or
1 in the
|   lcd entry or reading it.
<cut>
|  4.1.1 Display switching
|
|   Note: the display switching code is currently considered EXPERIMENTAL.
|
|   Switching works for the following models:
|     L3800C
|     A2500H
|
|   Switching doesn't work for the following:
|     M3700N
|     L2X00D (locks the laptop under certain conditions)
|
|   To switch the displays, echo values from 0 to 7 to
/proc/acpi/asus/disp. The
|   significance of those values is as follows:
|
|   0 - no display
|   1 - LCD only
|   2 - CRT only
|   3 - LCD + CRT
|   4 - TV-Out only
|   5 - LCD + TV-Out
|   6 - CRT + TV-Out (not tested)
|   7 - LCD + CRT + TV-Out (not tested)
|
|   In most cases, the appropriate displays must be plugged in for the above
|   combinations to work. TV-Out may need to be initialized at boot time.

Maybe Karol Kozimor can explain better :-)

Thx, bye,
Gismo / Luca
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