IBM Aptiva 2144 - Refresh Rates and Monitor Frequencies; Refresh Rates and Monitor Frequencies-Type I-1

Refresh Rates and Monitor Frequencies
This section provides the refresh rates and monitor frequencies for Type I-1
and Type I-2 system boards.
Refresh Rates and Monitor Frequencies—Type I-1
The following table lists the vertical refresh rates for the Type I-1 system
board that contains a Cirrus video chip.
Table 1-2. Vertical Refresh Rates (Hz)
Type I-1 System Board with a 5434 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 — — —
35.5 KHz 60 56 87(i) —
37.9 KHz 72 ñ 60 87(i) —
48 KHz 72 ñ 75 ò 60 —
56 KHz 72 ñ 72 ò 70 87(i)
62 KHz 72 ñ 75 ò 75 87(i)
ñ 16,000,000 colors uses 60 Hz.
ò 64,000 colors uses 60 Hz.
(i) Interlaced
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