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Operation (Windows NT)
PowerStorm 300 AGP and 300/350 PCI Graphics Controllers 5–3
Table 5-1 PowerStorm 300 Resolution - Refresh Rates for Alpha Platforms
(Windows NT and Tru64 UNIX)
Resolution Vertical Refresh rates
640 x 480 60 72
800 x 600 60 72
1024 x 768 70 76
1280 x 1024 61 66 73 75
Table 5-2 PowerStorm 300 Resolution - Refresh Rates for Intel Platforms
(Windows NT)
Resolution Vertical Refresh rates
640 x 400 72
640 x 480 85
800 x 600 60 72
1024 x 768 70 76 85
1280 x 1024 61 66 73 75 85
Table 5-3 PowerStorm 350 Resolution - Refresh Rates for Alpha Platforms
(Windows NT and Tru64 UNIX)
Resolution Vertical Refresh rates *
1024 x 768 75
1152 x 864 118
1280 x 1024 75 85 120
1600 x 1200 ** 75
1920 x 1200 ** 60 75
* Vertical refresh rates 90-160 are only available when stereo is enabled.
** Available only when stereo is disabled.
5.2.2 Managing Buffer Swap
In Windows NT version 4.0, you can enable/disable the double-buffer synchronization. In
most cases, double-buffer swaps are synchronized with vertical retrace to avoid visual
“tearing” effects.