IBM 9228 - IntelliStation Z - Pro User Manual page 76

Some models come with a digital video interface (DVI) connector for connecting a
digital monitor. If you have problems viewing information with a second monitor, see
"Changing monitor settings" on page 15.
Models with the NVIDIA Quadro FX 550, NVIDIA FX 1500, NVIDIA Quadro FX
3500, or NVIDIA Quadro FX 4500 video adapter come with a DVI-I-to-VGA style
analog converter for each DVI-I connector.
Important: To get the best performance from the NVIDIA Quadro FX 3500 or
If you install a double-wide video adapter in slot 1, it will overlap slot 2. Therefore,
one less PCI slot is available in which you can install an adapter.
Models with the NVIDIA Quadro NVS 285 video adapter come with a
dual-monitor system-59 (DMS-59) to dual-analog monitor pigtail cable. If you want
to set up two digital monitors, you must purchase a separate dual-digital monitor
cable.
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IBM IntelliStation Z Pro Type 9228: User's Guide
NVIDIA Quadro FX 4500 video adapters, you must connect the video
adapter to the computer power supply. Otherwise, the video adapter will
be operating with very limited power, resulting in a decrease in
performance for some applications. Use the PCI Express x16 external
power drop to connect the video adapter to the computer power supply.