Sun Microsystems XVR-500, Installation Manual

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23
C H A P T E R
4
Sun XVR-500 Graphics Accelerator
Frame Locking
This chapter describes Sun XVR-500 graphics accelerator frame locking.
■
“Sun XVR-500 Graphics Accelerator Frame Lock System” on page 23
■
“Configuring Sun XVR-500 Graphics Accelerators for Frame Locking” on page 25
■
“Frame Lock Cable Assembly” on page 27
■
“Connecting the Frame Lock Cable Assembly” on page 28
Sun XVR-500 Graphics Accelerator
Frame Lock System
The frame lock synchronization feature enables vertical retracing to occur
simultaneously on each Sun XVR-500 graphics accelerator subsystem. The frame
lock cable assembly is used to daisy-chain two or more Sun XVR-500 graphics
accelerator subsystems. Vertical retrace synchronization eliminates flicker between
multiscreen displays.
Frame locking is often necessary when running in stereo in a multihead
environment. All the displays can be synchronized so that the left and right views
can be seen correctly through one set of LCD stereo glasses.
When frame buffers are frame locked, you should make sure they are all running at
the same video resolution and vertical retrace rate (see
fbconfig -help
for details).
See “Configuring Sun XVR-500 Graphics Accelerators for Frame Locking” on
page 25.
To use the frame lock features, the frame lock cable assembly is required. See “Frame
Lock Cable Assembly” on page 27 for installation.