[comp.sys.ibm.pc.hardware] Problem with Sigma EGA! and Mitsubishi Monitor

abc@Matrix.COM (Alan Clegg) (07/06/90)

I recently purchased a PC/AT Clone with a Sigma EGA graphics card installed.
No monitor was included in the purchase, so I went out and bought a Mitsubishi
monitor and had no problems to begin with.

Now, about 2 months after the purchase of the monitor, it is beginning to get
fuzzy, and the colors are begining to change.  I have a feeling that the EGA
card is not set correctly and may be messing up my monitor.  I got no
documentation with the Sigma card when I purchased the machine, and I was
wondering if anyone could e-mail (or post) the switch definitions for the
Sigma EGA! board.

I believe that 'standard' EGA cards have 4 switches, and this one has one (two?)
extra.

Thanks!
-abc
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