IBM P275 Operating Instructions Manual page 22

x x x x Preset mode timing table
No. Resolution Horizontal
(dots × lines)
Frequency
640 × 480
1 31.5 kHz
640 × 480
2 43.3 kHz
720 × 400
3 31.5 kHz
720 × 400
4 37.9 kHz
800 × 600
5 37.9 kHz
800 × 600
6 46.9 kHz
800 × 600
7 53.7 kHz
1024 × 768
8 48.4 kHz
1024 × 768
9 56.5 kHz
10 1024 × 768
60.0 kHz
11 1024 × 768
68.7 kHz
12 1152 × 864
67.5 kHz
13 1280 × 960
60.0 kHz
14 1280 × 960
85.9 kHz
15 1280 × 1024
64.0 kHz
16 1280 × 1024
80.0 kHz
17 1280 × 1024
91.1 kHz
18 1600 × 1200
75.0 kHz
19 1600 × 1200
81.3 kHz
20 1600 × 1200
87.5 kHz
21 1600 × 1200
93.8 kHz
22 1600 × 1200
106.3 kHz
23 1920 × 1440
112.5 kHz
If the input signal does not match one of the factory preset modes
above, the Generalized Timing Formula feature of this monitor
will automatically provide an optimal image for the screen as long
as the signal is GTF compliant.
Vertical Graphics
Frequency Mode
60 Hz VGA-G
85 Hz VESA
70 Hz VGA-Text
85 Hz VESA
60 Hz VESA
75 Hz VESA
85 Hz VESA
60 Hz VESA
70 Hz VESA
75 Hz VESA
85 Hz VESA
75 Hz VESA
60 Hz VESA
85 Hz VESA
60 Hz VESA
75 Hz VESA
85 Hz VESA
60 Hz VESA
65 Hz VESA
70 Hz VESA
75 Hz VESA
85 Hz VESA
75 Hz VESA
20
US