Q: How to raise NBUF kernel parameter on PC7300?

[Bill Nesbitt]

Hello World!

I have recently been playing around with the AT&T PC 7300's ktune(7)
command trying to increase the kernel's "nbuf" parameter.  The man
pages state that it's value can be anywhere from 25 up to system
capacity; but, the highest value I've been able to bring it up to
is 175.  The system currently has 3.5 MB of ram, yet the same limit
was reached with only 2 MB.  I have a hard time believing that 175
is as high as I can go with this much ram!  Any ideas?

Thanks in advance.

Bill Nesbitt