Disabled high memory on Corollary architectures
On Corollary EISA-based systems with
ROM-Resident Diagnostics (RRD) prior to
version 5.5, a problem can occur when you use the
EISA configuration utility to enable
the 15th megabyte address range as memory.
The default behavior is for this memory range to
be disabled. When this memory range is enabled the kernel
attempts to map this memory twice resulting in the panic
PANIC: smp_meminit - Adding overlapping memory segment 0x4f00000 - 0x5000000
If you have previously enabled this memory range through
the EISA configuration utility, you can avoid the
problem by disabling it before installing an SCO OpenServer system.
This memory range is reclaimed after the machine is booted,
so it still uses all the memory in the system. The problem
can be permanently rectified by upgrading the RRD
to the 5.5 version.
Memory card compatibility notes
© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003