Before you start you should familiarize yourself with the boot PROM of your machine. The older Decstation 2100 and 3100 cannot select a kernel from the command line. You need to set the bootpath environment variable to point to the disk and kernel you intend to boot. You should also examine the guide on the NetBSD/pmax web site, which has more complete and more up-to-date instructions than are given in the install document. NOTE that the instructions on old versions of the web site are incorrect. The installation miniroot image for both NetBSD 1.1 and 1.2 include the 8Kbytes reserved for bootblocks and disklabel. The dd commands to write the miniroot to a freshly-labeleld disk should have an 'skip=16' added to them, if the 'skip=16' option is already present. If you're installing NetBSD/pmax for the first time it's a very good idea to look at the partition sizes of disk you intend installing NetBSD on. Changing the size of partitions after you've installed is difficult. If you do not have a spare bootable disk, it may be simpler to re-install NetBSD again from scratch. Asumming a classic partition scheme with root (`/') and /usr filesystems, a comfortable size for the NetBSD root filesystem partition is about 20MB; a good initial size for the swap partition is twice the amount of physical memory in your machine (though, unlike Ultrix, there are no restrictions on the size of the swap partition that would render part of your memory unusable). A full binary installation, without X11 or other additional software, takes about 130MB in `/usr'. This will be substantially reduced in the next release with support fo dynamically-linked shared libraries.