Compaq DS20E - AlphaStation - 1 GB RAM Technical Manual
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Summary of Contents for Compaq DS20E - AlphaStation - 1 GB RAM
- Page 1 Compaq AlphaServer DS20E Systems Technical Summary...
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Page 2: Table Of Contents
Service and Support 9 System I/O 5 Hardware Warranty PCI Bus Software Warranty ISA Bus Compaq AlphaServer DS20E System Diagrams 10 I/O Configuration Rules I/O Implementation System Features at a Glance 11 System Control 6 Physical Characteristics 12 Storage 6... -
Page 3: System Overview
Compaq AlphaServer DS20E Systems The Compaq AlphaServer DS20E system delivers high Compaq AlphaServer products use the 64-bit Alpha RISC performance for business, technical, and scientific architecture that supports multiple operating systems: applications at an affordable price. As a high-capacity Tru64 UNIX, OpenVMS, and Linux. -
Page 4: Architecture
C-chip. Provides the interface from the CPUs and main Architecture memory. Although there is only one in the system, it This system is designed to maximize the potential of the Alpha allows each CPU to do transactions simultaneously. 21264 chip. The traditional bus interconnect has been replaced D-chips. -
Page 5: System Board
System Board The interconnect switch is implemented on the system board Connectors are provided for the following: by the chipset consisting of one C-chip, two P-chips, and eight 2 CPU modules D-chips. This complex chipset provides the data and address 16 DIMM memory modules path between the CPUs, memory, and the I/O subsystem. -
Page 6: Third-Generation Alpha Chip
The sophisticated branch prediction in the 21264 coupled with the speculative and dynamic execution extracts the most instruction parallelism from applications. For more information about the chip, see: http://www.compaq.com/alphaserver/download/ev6chip.pdf... -
Page 7: Memory
Memory System I/O The switch interconnect can move a large amount of data over There are two 64-bit PCI buses. Industry-standard PCI I/O two independent memory data buses. Each memory bus is 256 buses allow you to use inexpensive, widely available I/O bits wide (32 bytes). -
Page 8: I/O Implementation
I/O Implementation Two separate 64-bit PCI buses are provided, each with three At the rear of the system are connectors offering access to two slots. As can be seen in the block diagram, the C-chip controls serial communications ports, one parallel port, and ports for both PCI control chips. -
Page 9: Server Management
Disk hot swap. numbers and revisions of hardware and firmware. Error Reporting Compaq Analyze, a diagnostic tool used to determine the cause of hardware failures, is installed with the operating systems. It provides automatic background analysis, as it constantly views and reads the error log file. It analyzes both single error/fault events and multiple events. -
Page 10: System Features
System Features Installation and Maintenance Auto reboot. On systems running Tru64 UNIX or OpenVMS, a The systems are designed for easy hardware, software, and firmware environment variable lets you set the default action option installation. Options ordered with a system are the system takes on power-up, reset, or after an operating preinstalled and tested at the factory. -
Page 11: Performance
CI clusters, OpenVMS only support of Alpha systems, software, and applications. For Memory Channel, Tru64 UNIX and OpenVMS information on Compaq Services, point your Web browser to SCSI clusters, Tru64 UNIX and OpenVMS http://www.compaq.com/services. DSSI clusters, OpenVMS only... -
Page 12: Compaq Alphaserver Ds20E System Diagrams
Compaq AlphaServer DS20E System Diagrams CPUs System board PCI slots System features module Control panel Removable media bay CD-ROM / floppy diskette drive Storage drive bays Power supplies (2 minimum) MR0300A Parallel port Serial port (COM2) Serial port (COM1) Keyboard port... -
Page 13: System Features At A Glance
System Features at a Glance Table 1 provides a quick reference to features of Compaq AlphaServer DS20E systems. Table 1 AlphaServer DS20E Features CPU Features 67/667 68/833 Processor 1–2 Alpha 21264 chips 1–2 Alpha 21264A chips CPU clock speed 667 MHz... -
Page 14: Physical Characteristics
Physical Characteristics Table 2 details basic physical characteristics of the system. Table 2 AlphaServer DS20E Physical Characteristics Dimensions Pedestal Rackmount Height 47.0 cm (18.5 in.) 22.2 cm (8.75 in.) Width 22.5 cm (8.85 in.) 44.5 cm (17.5 in.) Depth 69.9 cm (27.5 in.) 66.0 cm (26 in.) Weight 36 kg (80 lbs) typical;... - Page 16 All other product names mentioned herein may be trademarks of their respective companies. Compaq shall not be liable for technical or editorial errors or omissions contained herein. The information in this document is provided “as is” without warranty of any kind and is subject to change without notice. The warranties for Compaq products are set forth in the express limited warranty statements accompanying such products.
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