Sonnet Technologies Echo Express SE eSATA Pro 4-Port - Manual (Page 9)

5
Chapter 4 – Connecting eSATA Devices
Figure 4
Figure 3
Connecting Drives and Media Readers – General
Information
Data cables with eSATA connectors are required for use with
the Echo adapter, drive enclosures, and other devices with
eSATA ports. Bare SATA drives and some old drive enclosures
use SATA I connectors; use of these devices require cables
with a SATA I connector at one end (SATA I to eSATA cables
are available separately from Sonnet.)
Figure 3 shows the
difference between eSATA and SATA I connectors.
When you connect eSATA data cable(s) between the Echo
adapter and the drive enclosures or other devices,
make sure
all cables are connected securely.
Connecting Drives to Create RAID Sets
The SATA card inside the Echo adapter features two SATA
controllers, one for the left pair of eSATA ports (ports 4 and
3), and one for the right pair of eSATA ports (ports 2 and 1).
To obtain the best performance when using a OS X-formatted
striped RAID set (RAID 0) or mirrored RAID set (RAID 1), you
should use drives connected to ports 1 and 3 together, and 2
and 4 together
(Figure 4). Connecting drives this way enables
both controllers to be used at the same.
eSATA connector SATA I connector