IBM 6091-019i info
You use this information on your own. I take no responsibility for it!
I no longer own nor use these beauties so any updates of these pages is depending on you.
I got some modelines for the 6091i model from jjr jump.net, thanks! 

The 6091-19i is only capable of 1280x1024 at 60Hz and 75Hz
refresh, according to IBM.  The most successful MODELINE I
found is:

 ModeLine "1280x1024" 137.89 1280 1306 1506 1760 1024 1026 1038 1064

I didn't see any discernable difference using the "-hsync +vsync"
flags, as this monitor is purportedly sync-on-green.

Other tested MODELINES are:

 # 1024x1024 @ 60 Hz, 63.36 kHz (Verified OK)
 Modeline "1024x1024" 89.2108 1024 1045 1205 1408 1024 1027 1030 1056

 # 1280x1024 @ 60 Hz, 63.36 kHz (Verified OK)
 Modeline "1280x1024m1" 111.518 1280 1306 1506 1760 1024 1027 1030 1056

The following fields might also be useful:

 HorizSync  63-90

 VertRefresh   60-120


--------------------------------------------------------------------------------
ŠJonas Svensson
lysweb3@jonass.user.lysator.liu.se
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