Dell
Dell PowerEdge M610 Technical Guide
27
12.6.2
SAS 6/iR
The M610 internal SAS 6/iR HBA is an expansion card that plugs into the dedicated storage controller
slot. This card incorporates two four-channel SAS IOCs for connection to SAS hard disk drives (SATA
not supported). This card is designed in a form factor that allows the same card to be used in any
blade server with a storage card connector. RAID 0 and 1 are supported.
12.6.3
CERC 6/iR
For a hardware RAID solution, the CERC 6/iR is an option. The CERC 6/iR uses the LSI 1078 ROC (RAID
on Chip) processor with a PCI Express host interface and DDR2 memory. A battery is not available
with this card. For details of this card, see the
PERC6 Hardware Product Specification
.
12.6.4
PERC 6/i
For another hardware RAID solution, the PERC 6/i is also an option. The PERC 6/i uses the LSI 1078
ROC (RAID on Chip) processor with a PCI Express host interface and DDR2 memory. A battery is
available with this card. For details of this card, see the
PERC6 Hardware Product Specification
.
12.6.5
PERC H200 (Modular version)
The PERC H200M is an entry RAID solution with no cache.
12.6.6
PERC H700 (Modular version)
See the
PERC H700 Technical Guidebook
for more information on PERC H700M.
12.7
Hard Drive LED Indicators
Each disk drive carrier has two LED indicators visible from the front of the system. One is a green LED
for disk activity and the other is a bicolor (Green/Amber) LED for status information. The activity
LED is driven by the disk drive during normal operation. The bicolor LED is controlled by the SEP
device on the backplane. Both LEDs are used to indicate certain conditions under direction of a
storage controller.
12.8
Optical Drives
Optical drives are optional in all M610 systems and connect to the blade through the front USB
interface. The following internal slim-line drives are available on M610: DVD-ROM and DVD+RW. PATA
(IDE) optical drives are not supported.
