On a warm reboot, its SCSI disk was not detected. I hit the reset switch
again, and again it started to boot and the SDMS info displayed, but no
disk was detected. After turning the system off, waiting a few seconds,
and turning it back on, all was well.
The bootup messages dealing with optimization were:
PCI bridge optimization.
Cache L2: Not supported.
CPU-PCI posted write: on.
CPU-Memory posted write: off.Changed! Now on.
PCI-Memory posted write: on.
PCI burst: on.
The system is a 1.5 year old AIR dual P90 (only 1 CPU installed) with
AIC-7870 (turned off) built into the board and NCR 810 (using NCR53C8XX
driver) controlling a Micropolis 3243 and AHA-1540 controlling a Conner
DAT.
/proc/pci contains the following:
PCI devices found:
Bus 0, device 14, function 0:
Non-VGA device: NCR 53c810 (rev 1).
Medium devsel. IRQ 15. Master Capable. Latency=64.
I/O at 0xf800.
Non-prefetchable 32 bit memory at 0xffbeff00.
Bus 0, device 12, function 0:
SCSI storage controller: Adaptec AIC-7870 (rev 0).
Medium devsel. Fast back-to-back capable. Master Capable. No
bursts. Min Gnt=8.Max Lat=8.
I/O at 0xffffff00.
Non-prefetchable 32 bit memory at 0xfffff000.
Bus 0, device 2, function 0:
Non-VGA device: Intel 82375EB (rev 4).
Medium devsel. Master Capable. Latency=248.
Bus 0, device 0, function 0:
Host bridge: Intel 82434LX Mercury/Neptune (rev 17).
Slow devsel. Master Capable. Latency=64.
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