Extended display setup : T42 + 2877 + Dell LCD

[lexicon]

I have T42 15" SXGA+ attached to Docking Station II 2877-10U, and recently I purchased used Dell 2007WFP capable at native resolution 1680 x 1050. I plugged in via DVI port on the back of Dock II, set Windows to extend desktop, it worked perfectly with each own native resolutions.
I use WinXP SP2, without any PCI Card inside the docking station.

I want to use Dell LCD in vertical position, but cannot find the way to rotate the extended display to vertical resolution.

Any experiences about this setup?

TIA

[sjthinkpader]

You may need the original Dell utility to do the rotation. I have a NEC that can do the same and it has an utility for that.

[dr_st]

Wouldn't iRotate/CCC/ATI Tray Tool do the job?

[lexicon]

I didn't see the Rotation page tab on my ATI Display Properties.
This Dell 2007WFP actually came with CD Driver, but ATI driver included cannnot be installed on my T42, so I installed the ATI control panel only. I also did install the monitor driver that came with the CD.

Now I see the Rotation page tab, but when I choose ATI to rotate 90 to left or right, the LCD screen looks garbled and unreadable.

Maybe because Dock II DVI pass-thru didn't support vertical resolution?