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10 Operating manual RX330 S1
Features Introduction
Onboard SAS controller with Integrated Mirroring Enhanced functionality
An onboard SAS controller with "Integrated Mirroring Enhanced" (IME) function-
ality is fitted to operate the six hard drives. IME also offers RAID functionality for
configuring the internal hard disk drives (RAID level 0, 1).
I A separate utility is available to the controller for IME configuration.
Further information can be found in the "Integrated RAID for SAS User’s
Guide" (on the ServerBooks DVD under "Controllers").
The RAID functionality can optionally be expanded with a corresponding PCI
expansion module (zero-channel RAID controller). In addition to RAID levels 0
and 1, this RAID controller also offers the option of configuring RAID 5. The ZCR
controller uses the Onboard SAS controller using logic that is specially
integrated on the system board.
Accessible drives
A 5.25 inch bay is available for a CD/DVD drive or a magnetic tape drive. The
accessible drive installed here cannot be replaced during operation.
USB port
The USB interface on the front of the server supports activities carried out by
the service technician. The maximum length of the external cable are three
meters.
Power supply
The basic configuration of the server includes a hot-plug power supply unit,
which automatically sets itself to a mains voltage in the range of 100 V - 127 V
or 200 V - 240 V. As an option, the power supply can be expanded with an extra
power supply unit to create a redundant power supply. If a power supply unit
fails, the redundant configuration assures continued operation. The defective
power supply unit can be replaced during operation (for further details see “Hot-
plug power supply units” on page 69).
High level of availability and data security
When memory data is accessed, 1-bit errors in the main memory are identified
and automatically corrected with the ECC (Error Correcting Code) method. The
patented memory scrubbing function regularly starts up the EDC mechanism
and thus ensures continuous data integrity.