Alex deVries wrote:
| Also, am I right in saying that there's no devices written for HPC3 that
| use the pbus? Looks like the first step to writing a HAL driver is to be
| able to write to the pbus.
The pbus interface itself is a pretty simple interface.
| What else is actually on the pbus on the Indy? From this HPC
| documentation, looks
| - fdc (I thought Indy floppies were SCSI though)
There was talk of doing floppy this way, but it never was actually done.
| - rtc
| - prom
| - scsi (although not the 33c93)
scsi is off the hpc3, but it's only the control path (pio to registers)
that uses the pbus interface. The datapath is a different bus.
| - int2 (what's this?)
| - hal2
| - pi1 (what's this?)
Dave Olson, Silicon Graphics