HCL: IO Compatibility Guide for ESX Server 2.x
Publisher : VMware
Latest Version : February 03, 2008
VMware ESX Server delivers high performance I/O for PCI-based SCSI, RAID, Fibre Channel, and Ethernet controllers. To achieve high performance, these devices are accessed directly through device drivers in the ESX Server machine and not through a host operating system as with VMware Workstation and GSX Server products.