Tweaks requested by Jay.

www/cdrominstallhelp.php

@@ -21,17 +21,18 @@ sites to use the machine to conduct network experiments, as part of a
 
 <br>
 <ul>
+<li> an always-boot-first-from-CDROM process that provides robust recovery
+from catastrophic node failure (such as disk failure).
+<li> automatic software upgrade each time your node boots (from the CD).
 <li> Installation from files cached on the CDROM, <em>or</em> from
      files downloaded from netbed's web site. 
-<li> an always-boot-first-from-CDROM process that allows your node to
-     be upgraded automatically each time it reboots.
 <li> in the future, support for Linux.
 </ul>
 <b>System Requirements:</b>
 <ul>
 <li> reasonably modern x86 PC that can boot from the CDROM.
 <li> 8 gigabyte or larger disk drive. IDE, SCSI, RAID are all acceptable.
-<li> standard ethernet card. 10MB, 100Mb, or 1000Mb are acceptable.
+<li> standard ethernet card. 10Mb, 100Mb, or 1000Mb are acceptable.
 <li> direct access to the internet; your machine <b>cannot</b> be
      behind a NAT box and should not be behind a firewall.
 </ul>
@@ -91,16 +92,22 @@ your node and the speed of the disk, this could take several minutes,
 perhaps as many as 10. During this process you will see a status
 display indicating that something is actually happening. Please do not
 interrupt this process! You will most likely see some warnings printed
-by the kernel; you can safely ignore these.
+by the kernel; you can safely ignore these. <em>Note: the CDROM
+contains an initial image, so loading is fast. However, if that image
+is out of date, a new image will be downloaded from netbed.org via
+your network interface. The speed of that download is of course
+dependent on the speed of your internet connection.</em>
 
 <p>
 After FreeBSD is installed a secondary filesystem will be created,
 mounted on /users, to hold the home directories of researchers that
 are conducting experiments on your node. This secondary filesystem
-will use the remaining space on your boot disk; on an 8GB disk, there
-is typically 2GB left after installing FreeBSD. We also reserve an
-additional 1GB partition to hold temporary files when upgrading your
-machine to new versions of the operating system.
+will use the remaining space on your boot disk; the amount of space
+available is automatically determined and a new DOS slice is created
+and labeled. On an 8GB disk, there is typically 2GB left after
+installing FreeBSD. We also reserve an additional 1GB partition to
+hold temporary files when upgrading your machine to new versions of
+the operating system.
 
 <p> 
 Once installation is complete, the node will reboot. <em>Do not remove
@@ -108,7 +115,22 @@ the CDROM from the drive!</em> Each time the node reboots, it will run
 briefly from the CDROM, checking in at netbed.org to see if there are
 any software updates to install. Once updates are finished, the node
 will reboot again, only this time it will boot from the disk and run
-normally. 
+normally. In multiuser mode, your node will periodically check in at
+netbed.org to see what accounts need to be created for external
+researchers. All such communication is via an <b>encrypted SSL</b>
+connection and users are required to use <b>ssh</b> to log into your
+node. To avoid the use of passwords, netbed.org distributes ssh public
+keys for all users, which can be updated dynamically via netbed.org's
+website.
+
+<br>
+<br>
+<b>Linux Support:</b>
+<br>
+<br>
+Linux is not supported at this time. However, the required support is
+minor (just some some config files and scripts) and we plan to add
+that very soon. Please stay tuned for further information.
 
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