Apple IMac - Video Display

Basics Video Display - 46
Video Display
The built-in video display uses a 15-inch CRT and supports three resolutions. The
table below lists the resolutions and pixel depths supported with the standard 2
MB of SGRAM and with expanded SGRAM.
Resolution Vertical rate
Pixel depth
(2 MB SGRAM)
Pixel depth
(4 or 6 MB
SGRAM)
640 by 480 117.233 Hz 32 bits 32 bits
800 by 600 94.97 Hz 32 bits 32 bits
1024 by 768 75.03 Hz 16 bits 32 bits