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[K12OSN] Monitor resolution toggle question



Hi all folks,

Where shall be the correct place adding following 3 lines in
/opt/ltsp/i386/etc/lts.conf

***
X_MODE_0 = 640x480  31.5 640  664  704  832  480 489 492 520 +hsync
+vsync
X_MODE_1 = 800x600  40   800  840  968  1056 600 601 605 628 +hsync
+vsync
X_MODE_2 = 1024x768 44.9 1024 1048 1208 1264 768 776 784 817 interlace
***


I conducted following tests:


1) The server was directly connected to a diskless client using obsolete
monitor via a crossover cable

a)
/opt/ltsp/i386/etc/lts.conf

- snip -
[Default]
        SERVER             = 192.168.0.254
        XSERVER            = auto
	X_MOUSE_PROTOCOL   = "PS/2"
	X_MOUSE_DEVICE     = "/dev/psaux"
	X_MOUSE_RESOLUTION = 400
	X_MOUSE_BUTTONS    = 3
	USE_XFS            = N
	LOCAL_APPS         = N
        RUNLEVEL           = 5

X_MODE_0 = 640x480  31.5 640  664  704  832  480 489 492 520 +hsync
+vsync
X_MODE_1 = 800x600  40   800  840  968  1056 600 601 605 628 +hsync
+vsync
X_MODE_2 = 1024x768 44.9 1024 1048 1208 1264 768 776 784 817 interlace


#------------------------------------------------------------------------------
#
# Example of specifying X settings for a workstation
#
[ws001]
        XSERVER            = auto
        LOCAL_APPS         = N
        USE_NFS_SWAP       = N
        SWAPFILE_SIZE      = 48m
        RUNLEVEL           = 5

- snip -

It worked without problem.  The obsolete monitor the client could be
read but the screen resolution could not be toggled.

b)
/opt/ltsp/i386/etc/lts.conf

- snip -
[Default]
        SERVER             = 192.168.0.254
        XSERVER            = auto
	X_MOUSE_PROTOCOL   = "PS/2"
	X_MOUSE_DEVICE     = "/dev/psaux"
	X_MOUSE_RESOLUTION = 400
	X_MOUSE_BUTTONS    = 3
	USE_XFS            = N
	LOCAL_APPS         = N
        RUNLEVEL           = 5

#------------------------------------------------------------------------------
#
# Example of specifying X settings for a workstation
#
[ws001]
        XSERVER            = auto
        LOCAL_APPS         = N
        USE_NFS_SWAP       = N
        SWAPFILE_SIZE      = 48m
        RUNLEVEL           = 5

X_MODE_0 = 640x480  31.5 640  664  704  832  480 489 492 520 +hsync
+vsync
X_MODE_1 = 800x600  40   800  840  968  1056 600 601 605 628 +hsync
+vsync
X_MODE_2 = 1024x768 44.9 1024 1048 1208 1264 768 776 784 817 interlace

- snip -

Neither the monitor of the client could be read nor the screen
resolution could be toggled.  The monitor screen was vibrating.


2) The server was directly connected to a diskless client using a 17"
monitor via a crossover cable

a)
/opt/ltsp/i386/etc/lts.conf

- snip -
[Default]
        SERVER             = 192.168.0.254
        XSERVER            = auto
	X_MOUSE_PROTOCOL   = "PS/2"
	X_MOUSE_DEVICE     = "/dev/psaux"
	X_MOUSE_RESOLUTION = 400
	X_MOUSE_BUTTONS    = 3
	USE_XFS            = N
	LOCAL_APPS         = N
        RUNLEVEL           = 5

X_MODE_0 = 640x480  31.5 640  664  704  832  480 489 492 520 +hsync
+vsync
X_MODE_1 = 800x600  40   800  840  968  1056 600 601 605 628 +hsync
+vsync
X_MODE_2 = 1024x768 44.9 1024 1048 1208 1264 768 776 784 817 interlace


#------------------------------------------------------------------------------
#
# Example of specifying X settings for a workstation
#
[ws001]
        XSERVER            = auto
        LOCAL_APPS         = N
        USE_NFS_SWAP       = N
        SWAPFILE_SIZE      = 48m
        RUNLEVEL           = 5

- snip -

It worked.  The monitor of the client could be read at LOW resolution,
600x480 I suppose.  But its screen resolution could not be toggled


b)
/opt/ltsp/i386/etc/lts.conf

- snip -

[Default]
        SERVER             = 192.168.0.254
        XSERVER            = auto
	X_MOUSE_PROTOCOL   = "PS/2"
	X_MOUSE_DEVICE     = "/dev/psaux"
	X_MOUSE_RESOLUTION = 400
	X_MOUSE_BUTTONS    = 3
	USE_XFS            = N
	LOCAL_APPS         = N
        RUNLEVEL           = 5


#------------------------------------------------------------------------------
#
# Example of specifying X settings for a workstation
#
[ws001]
        XSERVER            = auto
        LOCAL_APPS         = N
        USE_NFS_SWAP       = N
        SWAPFILE_SIZE      = 48m
        RUNLEVEL           = 5

X_MODE_0 = 640x480  31.5 640  664  704  832  480 489 492 520 +hsync
+vsync
X_MODE_1 = 800x600  40   800  840  968  1056 600 601 605 628 +hsync
+vsync
X_MODE_2 = 1024x768 44.9 1024 1048 1208 1264 768 776 784 817 interlace

- snip -

It worked.  The monitor of the client could be read at high resolution. 
But its screen resolution could not be toggled


Kindly advise.  Thanks in advance.

Stephen Liu









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