Sun Microsystems PGX32, Installation Manual

Page: 46 / 48

30 Sun PGX32 PCI Graphics Card Installation Guide • August 1999
Note –
The last three commands enable the NVRAM. Without these lines, the
changes you make with
nvedit
are ignored.
Following is a brief description of the 10 parameters used in this method.
■
horizontal resolution (in pixels)
■
horizontal blanking total
■
horizontal front porch
■
horizontal sync width
■
vertical resolution (in lines)
■
vertical blanking total
■
vertical front porch
■
vertical sync width
■
dotclock in Hz
■
sync value:
0 separate sync
256 sync on green
512 positive vertical sync pulse
1024 positive horizontal sync pulse
2048 composite sync
(Add the values together to select more than one)
Note –
To obtain the timing parameters required to use this method, contact
SunService at 1-800-USA-4SUN with your monitor requirements.