Xsigo released the latest host driver ‘5.2.1-ESX’ http://www.xsigo.com/support/auth/_downloads/_files/docs/521-GA/Release_Notes_V521_ESXi-50_RevA_080312.pdf for ESXi 5 and ESXi 5 Update 1. Release notes for driver has details about the process for injecting the driver into ESXi image manually. There are few steps missing in it which will create problems for the first time VMware PowerCLI users. We’ve written a script to ease your task.
1. Download and install VMware PowerCLI 5.0 – https://my.vmware.com/group/vmware/details?downloadGroup=PCLI50&productId=229.