*The AlphaServer SC20 system is a distributed memory, parallel
supercomputer that scales up to 256 Alpha 21264 (EV68) processors *
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Number of Up to 256
Processors
CPU / Clock Speed SC20 - DS20LEV68 833 MHz
SC40 - ES40 EV67 667 MHz
SC45 - ES45 EV68 1000 MHz
SC45 - ES45 EV68 1224 MHz
Cache Size 4-MB per processor
Max Memory DS20L - up to 2 GB per node
ES40 - up to 24 GB per node
ES45 - up to 32 GB per node
I/O Support Maximum 532 MB/s I/O per node on two 64-bit PCI slots
(2/3 length)
Software features Tru64 UNIX 5.1a HP AlphaServer SC system software,
including Cluster File System, Parallel File System, and
Platform LSF
High Availability Auto reboot, thermal management, remote system
and System management, RAID, memory failover, ECC memory, ECC cache,
Management ECC system bus, SMP CPU failover, error logging, optional
Features Supported Uninterruptible Power Supply (UPS), redundant
file-service with auto failover, redundant management
server available, pre-staged with additional burn-in at
the factory
I/O options Fast Ethernet, Gigabit Ethernet, async. comm., RAID,
UltraSCSI, Ultra2SCSI, ATM, HiPPI, Fibre Channel
Description
===========
The Compaq AlphaServer SC system is a distributed memory, parallel
supercomputer that scales up to 256 Alpha processors to deliver incredible
sustained performance for large-scale applications. It is based on
AlphaServer nodes and an ultra-low-latency, high-bandwidth interconnect with
an integrated software package for management and application development.
Compaq AlphaServer SC System Software provides the utilities and
libraries required to operate and manage the AlphaServer SC.
Optional Compaq AlphaServer SC Development Software provides a
full suite of tools for technical software development.
Compaq AlphaServer SC systems include:
Compute Building Blocks (CBBs)
Interconnect Building Blocks (IBBs)
Management Building Block (MBB)
Storage Building Blocks (SBBs)
Compute Building Block
~~~~~~~~~~~~~~~~~~~~~~
A CBB is a rack that includes specially configured AlphaServer DS20L nodes.
Each node includes:
Two Alpha 21264 (EV68) 833-MHz CPU with 4-MB cache each
One AlphaServer SC Elan adapter card
Tru64 UNIX
Some SC40/SC45 CBBs can be added for mixed configurations.
Interconnect Building Block
~~~~~~~~~~~~~~~~~~~~~~~~~~~
An IBB includes a multi-port switch using technology from Quadrics
Supercomputers World, as well as a Management Network and console network
components.
Management Building Block
~~~~~~~~~~~~~~~~~~~~~~~~~
MBB consists of one Management Server, based on a DS20E or DS10, and also
includes management network and console network components.
Storage Building Block
~~~~~~~~~~~~~~~~~~~~~~
An SBB includes
Dual HSG80 RAID Controller
Required Storage Software
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