installing freebsd: only detects 4mb ram

[Etienne Ledoux]

ok, a long time ago I installed freebsd on an old beast. it has been faithfull 
to me for a few years now. I want to reinstall it with 5.4STABLE (not 
upgrade, I want to start fresh). But it only detects 4mb of ram. it actually 
has 98mb of ram and I remember I had to recompile the kernel to get freebsd 
to detect the rest of the ram. but i can't remember how i managed to install 
it. I see the faq says I need 5mb and for 5x I need 8mb. I can't put the 
drives in another system because  it's an old compaq raid array and I have no 
machine where these drives would fit into. Is there any other possible way to 
install this machine ? perhaps over nfs ? or a paramater at boot to detect 
the rest of the ram ?

tx

e.