Trial1 Server Image
This is a very early stage XS Server build. As of build 11, it is just a stripped down version of the OLPC XO build. We use the pilgrim tool to complete the build.
olpc-server pilgrim configs can be found here.
Specifically, you are after:
Build 11 images
Simply a stripped down build -- is in no way a complete Trial1 Server Software.
Build 11 Auto Reinstall
Has OLPC Firmware Q2B81, latest as of XS build 11:
Follow Autoreinstallation image instruction to use.