ASROCK ALiveN570SLI-eSATA2 Handbuch Seite 26

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What is eSATAII?
This motherboard supports eSATAII interface, the external SATAII specification.
eSATAII allows you to enjoy the SATAII function provided by the I/O of your computer,
offering the high speed data transfer rate up to 3.0Gb/s, and the convenient mobility
like USB. eSATAII is equipped with Hot Plug capability that enables you to exchange
drives easily. For example, with eSATAII interface, you may simply plug your eSATAII
hard disk to the eSATAII ports instead of opening your chassis to exchange your
SATAII hard disk. Currently, on the market, the data transfer rate of USB 2.0 is up to
480Mb/s, and for IEEE 1394 is up to 400Mb/s. However, eSATAII provides the data
transfer rate up to 3000Mb/s, which is much higher than USB 2.0 and IEEE 1394, and
still keeps the convenience of Hot Plug feature. Therefore, on the basis of the
advantageous transfer speed and the facilitating mobile capability, in the near future,
eSATAII will replace USB 2.0 and IEEE 1394 to be a trend for external interface.
NOTE:
1. If you set "SATA Operation Mode" option in BIOS setup to RAID mode, Hot Plug
function is supported with eSATAII devices. Therefore, you can insert or remove
your eSATAII devices to the eSATAII ports while the system is power-on and in
working condition.
2. If you set "SATA Operation Mode" option in BIOS setup to non-RAID mode, Hot Plug
function is not supported with eSATAII devices. If you still want to use eSATAII
function in non-RAID mode, please insert or remove your eSATAII devices to the
eSATAII ports only when the system is power-off.
3. If you want to use the eSATAII HDD as an OS disk, please set "SATA Operation
Mode" option in BIOS setup to non-RAID mode. If you want to use the eSATAII HDD
as a removable data disk, please set "SATA Operation Mode" option in BIOS setup
to RAID mode and enable the option "eSATAII Support". If you want to add the
eSATAII HDD as a RAID disk, please set "SATA Operation Mode" option in BIOS
setup to RAID mode and disable the option "eSATAII Support".
4. Please refer to page 31 to 33 for detailed information of RAID mode and non-RAID
mode.
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