IBM Aptiva 2144, Hardware Maintenance Service

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Refresh Rates and Monitor Frequencies—Type I -2
The following table lists the vertical refresh rates for the Type
I
-2 system
board that contains a Trident 9680XGi video chip.
Table 1-3. Vertical Refresh Rates (Hz)
Type I -2 System Board with a Trident 9680XGi Video Chip
Resolution 640x480 800x600 1024x768 1280x1024
Allowed Colors 16 to
16,000,000 16 to
64,000 16 to 256 16
Monitor Frequency (Maximum Horizontal Frequency) - Hz
31.5 KHz 60 — — —
31.5-36.9 KHz 60 60 87(i) —
37.0-37.9 KHz 72
ñ
60 87(i) —
38.0-48.9 KHz 85
ñ
75
ó
60 —
49.0-59.9 KHz 85
ñ
85
ò
,
ó
70
ô
87(i)
60.0-67.9 KHz 85
ñ
85
ò
,
ó
75 87(i)
68.0+ 85
ñ
85
ò
,
ó
75 60, 96(i)
ñ 60 Hz at 16,000,000 colors with 1MB DRAM.
ò 75 Hz at 64,000 colors with 1MB DRAM.
ó 60 Hz at 16,000,000 colors with 2MB DRAM.
ô 60 Hz at 64,000 colors with 2MB DRAM.
(i) Interlaced
General Information
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