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USB 2.0 capable ports, two HMC ports, two RIO-2 ports, and two System Power Control
Network (SPCN) ports.
The OpenPower 720 includes four front-accessible, hot-swap-capable disk bays in a minimum
configuration with an additional four hot-swap-capable disk bays orderable as an optional
feature. The eight disk bays can accommodate up to 2.4 TB of disk storage using the 300 GB
Ultra320 SCSI disk drives. Three non hot-swapable media bays are used to accommodate
additional devices. Two media bays only accept slim line media devices, such as DVD-ROM
or DVD-RAM, and one half-height bay is used for a tape drive. The OpenPower 720 also has
I/O expansion capability using the RIO-2 bus, which allows attachment of the 7311 Model
D20 I/O drawers.
Additional reliability and availability features include redundant hot-plug cooling fans and
redundant power supplies. Along with these hot-plug components, the OpenPower 720 is
designed to provide an extensive set of reliability, availability, and serviceability (RAS)
features that include improved fault isolation, recovery from errors without stopping the
system, avoidance of recurring failures, and predictive failure analysis.
2
OpenPower 720 Technical Overview and Introduction
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