IBM 21L4365 User Manual page 27

If your computer has
previously been used with a
CRT monitor and is currently
configured to a display mode
outside the range that the Flat
Panel monitor can display, you may
need to re-attach the CRT monitor
temporarily until you have re-
configured the computer,
preferably to 1280 x 1024 at 60Hz.
20
Factory Set Display Modes
Addressability
640 × 350
640 × 480
640 × 480
640 × 480
640 × 480
720 × 400
800 × 600
800 × 600
800 × 600
800 × 600
832 × 624
1024 × 768
1024 × 768
1024 × 768
1152 x 864
1152 × 870
1152 x 900
1280 × 1024
1280 × 1024†
1280 × 1024
1280 × 1024
† Recommended
Refresh Rate
70 Hz
75 Hz
72 Hz
66 Hz
60 Hz
70 Hz
56 Hz
60 Hz
72 Hz
75 Hz
75 Hz
60 Hz
70 Hz
75 Hz
75 Hz
75 Hz
66 Hz
75 Hz
60 Hz
72 Hz
76 Hz
Horizontal
Frequency
31.5 kHz
37.5 kHz
37.8 kHz
35.0 kHz
31.5 kHz
31.4 kHz
35.1 kHz
37.8 kHz
48.0 kHz
46.8 kHz
49.7 kHz
48.8 kHz
56.5 kHz
60.0 kHz
67.5 kHz
68.7 kHz
61.8 kHz
79.9 kHz
63.9 kHz
78.1 kHz
81.1 kHz