I have upgraded RH7.3 to RH8.0 and lost access to a Reflective memory PCI card from VMIC. To get RH7.3 to work I had to config the kernel to use the 4GB memory range and reduce the Virtual Memory to 1GB since I have 2GB physical memory in a dual P4 system. That setup 2GB physical, and 1GB virtual, and left 1GB unmapped in the full 4GB range.
I cannot find where I can reduce the virtual memory in the RH 8.0 distribution. Does anyone know how to do this, or maybe how to regress back to RH 7.3 version cleanly???

Thanks,
Merlin53