Compaq DL360 - ProLiant - Photon Setup And Installation Manual page 105

Server Cabling 7-7
G2 server. Supported array controllers have external ports on the rear of the
controller to allow rear server access to all available controller channels.
For example, one Smart Array 5300 array controller can be installed in the
ProLiant DL360 G2 server, in a PCI slot. The controller has four external
SCSI channels. At 15 devices per channel, this configuration supports 60 SCSI
devices.
Figure 7-5. Maximum external mass storage configuration with four channels
(Smart Array 5300 controller installed in expansion slot 1)