Concurrent Technologies VX 815/09x

BIOS and Boot Settings

BIOS access with F2

Default VMEbus settings need to be changed.
Otherwise, vmebus.ko fails to load as it cannot map enough contiguous memory.

vme_bridge 0000:08:04.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
vme_bridge 0000:08:04.0: PCI-VME bridge: V1.4 (May, 19 2010)
VME Bridge: found TSI148 VME bridge rev 0x0001
VME Bridge: Using IRQ 22
VME Bridge: Not enough PCI memory space available: 10fffff
vme_bridge 0000:08:04.0: PCI INT A disabled
vme_bridge: probe of 0000:08:04.0 failed with error -12 

To allow for larger VME mappings set default values reserved bounds must be enlarged

Both default values are set to 16 Mb. The maximum value is 256 Mb.
Consider the 64 Mb a first shot.