Two words in the subject and I screwed 'em both up.
Sorry.

I have a PS/2 Model 33 with two 8mb SIMMs in it.
The BIOS shows 15252k available memory. Could I
get more available memory by replacing one of the
8mb SIMMs with a 4mb (for exactly 16mb total to
start with and avoiding the BIOS disabling any)?

TCP/IP Ports and Addresses
http://freedownloadablebooks.blogspot.com/2008/03/tcpip-ports-and-addresses.html
Dynamic Host Configuration Protocol (DHCP)
http://freedownloadablebooks.blogspot.com/2008/03/dynamic-host-configuration-protocol...
INFORMATION OF DHCP
http://freedownloadablebooks.blogspot.com/2008/03/information-of-dchp.html
DHCP
http://freedownloadablebooks.blogspot.com/2008/03/dhcp.html
Migrating Your Web Site In-House
http://freedownloadablebooks.blogspot.com/2008/03/migrating-your-web-site-in-house...
Troubleshooting BIND
http://freedownloadablebooks.blogspot.com/2008/03/troubleshooting-bind.html
Sample Forward Zone File
http://freedownloadablebooks.blogspot.com/2008/03/sample-forward-zone-file.html
The SOA Record Format
http://freedownloadablebooks.blogspot.com/2008/03/soa-record-format.html
Specifying the Root Name Server File
http://freedownloadablebooks.blogspot.com/2008/03/specifying-root-name-server-file...
Starting, Stopping, and Restarting the DNS Server
http://freedownloadablebooks.blogspot.com/2008/03/starting-stopping-and-restarting... ...