AlphaServer DS20 Specifications

Model6/500
Family / Variant Regatta / Goldrush
Introduced January, 1999
Base Price 19,900 USD
Enclosure Pedestal
CPU Features
CPU / Clock Speed 21264 (EV6) / 500 MHz
Number of CPUs 1 to 2
Cache Size on Chip 64K I-cache
64K D-cache
Secondary Cache -
B-cache 4 MB
In-cabinet Upgrades CPU, memory, I/O
Performance
tpmC @ $/tpmC 11,616 @ $50.58[1]
SPECint95 27.7
SPECfp95 58.7
Memory / Storage
Memory 128 MB to 4 GB
Internal Disk Bays 7
Internal Disk Storage 4.3 GB to 254.8 GB
Total Disk Storage ?
Removable Media Bays 3
Removable Media 1.44 MB floppy disk, 600 MB CD-ROM
I/O
Standard I/O 2 serial ports, 1 bi-directional enhanced parallel port,
PS/2 keyboard and mouse, dual Ultra Wide SCSI, 2 USB ports[2]
I/O Slots 6:
  • 5 PCI64
  • 1 PCI64/EISA
Max. I/O Throughput PCI: 532 MB/s
EISA: 33 MB/s
Options
Audio & Video 2D/3D graphics
Networking 10/100 Mb Ethernet, Gigabit Ethernet, FDDI, ATM[3],
async. communications, Memory Channel
Storage Ultra Wide SCSI, Ultra Wide Differential SCSI, RAID, Fibre Channel[3],
DSSI[4], CI[4], DDS-2, DDS-3, DLT4000, DLT7000, CD-ROM
Availability Features Auto reboot, thermal management, remote system management,
RAID, disk hot-swap, dual SCSI backplane, memory failover,
ECC memory, ECC cache, CPU failover, error logging,
optional redundant power system
Operating Systems / Clustering
OS Support Linux, OpenVMS, Tru64 UNIX, Windows NT
TruCluster Yes
OpenVMS Cluster Yes
MSCS Yes
Hardware Partitioning No
Environment
Acoustics (LWAd / LpAm)
Idle 5.7 B / 38 dBA[5]
Operating 5.7 B / 39 dBA[5]
Altitude
Operating 3,048 m (10,000 ft)
Non-operating 12,192 m (40,000 ft)
Shock (operating) 10 G, 10 ms
Vibration (operating) 10-500 Hz, 0.1 G max
Temperature 10-40 °C (50-104 °F)
Relative Humidity 10-90% (non-condensing)
Power Requirements
Nominal Voltage 100-120 V / 220-240 V
Frequency Range 50-60 Hz
Max. Nominal Current 8 A / 4 A
Power Source Single phase
Power Supply 675 W (n+1 optional)
Power Usage[6] ?
Physical Characteristics
Height 46.0 cm (18.1 in)
Width 35.8 cm (14.1 in)
Depth 58.6 cm (23.1 in)
Weight 39 kg (86 lb)
Warranty
3 year on-site, next-business-day response time
[1] Dual processor.
[2] Ports are not operational.
[3] Tru64 UNIX only.
[4] OpenVMS only.
[5] System with 1 hard drive.
[6] "Packaged System" configuration (see SOC); halt in firmware.