Monitor in XF86Config or xorg.conf

xorg.conf(5x) manual page
XF86Config(5) manual page

Sony eSupport - CPD-E540 Trinitron Multiscan STYLEPRO

Section "Monitor"
        Identifier   "Sony CDP-E540"
        VendorName   "Sony"
        ModelName    "CDP-E540"
        HorizSync    30.0 - 110.0
        VertRefresh  48.0 - 170.0
        DisplaySize  406.1 304.6
        Option       "dpms"
EndSection

AV-195TF Details

Section "Monitor"
        Identifier   "KDS Avitron AV-195TF"
        VendorName   "KDS"
        ModelName    "AV-195TF"
        HorizSync    30.0 - 110.0
        VertRefresh  50.0 - 160.0
        DisplaySize  352 264
        Option       "dpms"
EndSection

NEC Display Solutions | Monitors | MultiSync FE2111SB

Section "Monitor"
        Identifier "NEC MultiSync FE2111SB"
        VendorName "NEC"
        ModelName  "FE2111SB"
        HorizSync   30 - 115
        VertRefresh 50 - 160
        DisplaySize  406.1 304.6
        Option "dpms"
EndSection