Video not synchronized or wrong color
Cable is loose.
Wrong computer (CPU) cable used. If you have a 9515, 9517, 9518, XGA mono or similar monitor you must use special cables or adapters.
Cable is defective. Try using cable from another computer (CPU). If problem goes away, cable is defective.
Port on the UltraMatrix is defective. Try using another port on the UltraMatrix. If problem goes away, port is defective.
Lower resolution video OK, but can't enter high resolution mode
Wrong CPU cable used. If you have a XGA,
Driver has not been setup. Windows, OS/2, or other driver has not been configured for this resolution. Configure the driver.
ULTRAMATRIX “UMX” SERIES INSTALLATION AND OPERATIONS MANUAL
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