Integrated Graphics Subsystem
6.3Display Modes
The IGC supports most standard display modes for 2D video displays up to and including 2048 x 1536 @ 85 Hz , and 3D display modes up to 1600 x 1200 @ 85 Hz. The highest resolution available will be determined by the following factors:
■Memory speed and amount
■Single or dual channel memory
■Number and type of monitors
✎The IGC is designed for optimum performance with
6.4Upgrading Graphics
The IGC of SFF, ST, MT, and CMT systems is upgradeable by installing an Advanced Digital Display 2 (ADD2) or a graphics controller card into the PCI Express x16 graphics slot. All systems can be upgraded by installing a PCI card in the PCI 2.3 slot (assuming no riser cards are installed). Depending on accessory, upgrading through the PCI Express x16 slot can provide digital monitor support and/or
✎Two SDVO channels are provided by the IGC for supporting two digital displays. Existing option cards and drivers support one CRT and digital display. Dual digital display support may be possible with future cards and drivers.
The upgrade procedure is as follows:
1.Shut down the system through the operating system.
2.Unplug the power cord from the rear of the system unit.
3.Remove the chassis cover.
4.Install the graphics card into the PCI Express x16 graphics or PCI 2.3 slot.
5.Replace the chassis cover.
6.Reconnect the power cord to the system unit.
7.Power up the system unit.
The BIOS will detect the presence of the PCI card and disable the IGC of the 82915G GMCH.
✎.If a PCI 2.3 graphics card is installed, the IGC can be
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