Compaq AlphaServer DS20 Bedienungsanleitung PDF herunterladen (Seite 3)

Compaq AlphaServer DS20E Systems

The Compaq AlphaServer DS20E system delivers high

performance for business, technical, and scientific

applications at an affordable price. As a high-capacity

database server, high-performance application server,

Network File System (NFS) server, or Internet server, the

AlphaServer DS20E delivers exceptional value and

investment protection.

Compaq AlphaServer products use the 64-bit Alpha RISC

architecture that supports multiple operating systems:

Tru64 UNIX, OpenVMS, and Linux.

More information on Compaq AlphaServer DS20E systems

is on the World Wide Web:

http://www.compaq.com/alphaserver/platforms.html

System Overview

The Compaq AlphaServer DS20E uses the third-generation

Alpha 21264 processor. Two speeds are available, the EV67

chip, which runs at 667 MHz and the EV68 chip, which runs at

833 MHz. The switch-based system interconnect exploits the

full potential of these Alpha chips.

The system is available as a pedestal or as a rackmount system.

The components in both are identical; the rackmount variant is

simply rotated to its side. The rackmount system requires 5U

space and can be mounted in a 67- or 79-inch M-series cabinet,

along with additional disks. In the largest cabinet up to 6

systems and 4 StorageWorks shelves can be installed.

The DS20E system is available with one or two processors.

The system accommodates six hard disks, a floppy diskette

drive, a CD-ROM, and space for one additional 5.25-inch

removable media device. The system supports up to 218.4 GB

of internal storage using 36.4 GB disks.

There are 6 PCI slots, one of which could be used for an ISA

device. Integrated on the system board are controllers for a

SCSI tape device, a diskette, two serial ports, one parallel port,

and the keyboard and mouse.

Three operating systems are supported: Tru64 UNIX,

OpenVMS, and Linux. Customers can order the system that

meets their present application needs; they choose the size of

the system disk, an Ultra3 SCSI adapter, and an Ethernet

adapter. Systems can also be configured in a choice of two

cabinet enclosures: a 67-inch or 79-inch M-series cabinet.

Features and Benefits

• Leadership 64-Bit Architecture

The Alpha 64-bit architecture was introduced with the Alpha

21064 chip in 1992 and now the 21264, builds upon that

proven architecture.

• Performance

The Alpha 21264 chip when combined with a switch-based

interconnect demonstrates its full potential. This switch-based

system provides a memory bandwidth of up to 5.2 Gbytes/sec

(peak) using two 256-bit memory buses running at 83 MHz.

• Reliability and Availability

The AlphaServer DS20E uses the latest technologies to

achieve redundancy, error correction, and fault management.

The balance between simple error detection and error correc-

tion provides high availability at low cost. Hot swappable

disks, fans, and power supplies allow repairs to be done with-

out shutting the system down.

• DS20E Workstation

The pedestal package can also be ordered as a workstation.

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