Default Interrupt Settings On The Vfx-M; Installing The Graphics Board - Rastergraf VFX-M User Manual

Rastergraf

2.3.2 Default Interrupt Settings on the VFX-M

The VFX-M is hard-wired for PCI/PMC interrupt request INTA. Since
each PMC slot maps its interrupt lines to a permuted set of INTA-INTD,
the VFX-M will show up on a different interrupt line, according to the slot
it is plugged into. Thus, the device driver may need to be changed to
reflect this. The VFX-M has a interrupt response is controlled by the
Rastergraf device driver.

2.3.3 Installing the Graphics Board

Use the following procedure to install the VFX-M into the computer
1. Shut down the operating system and turn off the power.
Warning!
Never open the computer without turning off the power supply. Unless
internal AC wiring is exposed, leave the power cord plugged in, so as to
ground the computer chassis. You can easily get shocked, ruin computer
parts or both unless you turn off the power. Even with power switched off,
lethal voltages can exist in the equipment.
2. Open the computer and remove the CPU board onto which the VFX-M
is to be installed. Identify an empty PMC location (generally there are
one or two on a given CPU board).
The VFX-M uses the 5V signaling protocol, so the registration hole on
the VFX-M must match the corresponding index pin on the CPU
board.
3. In the interest of allowing air flow, and if you have a choice, try to
install the VFX-M in the location which allows the best airflow
through card cage.
2-4 Installing Your Rastergraf Graphics Board
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