Digital Personal Workstation 500a Specifications

Model500a
Family / Variant Miata / ?
Introduced January, 1997
Base Price ?
Enclosure Tower
CPU Features
CPU / Clock Speed 21164A (EV56) / 500 MHz
Number of CPUs 1
Cache Size on Chip 8K I-cache
8K D-cache
Secondary Cache 96K
B-cache 0, 2, or 4 MB
In-cabinet Upgrades CPU, memory, I/O
Performance
tpmC @ $/tpmC ?
SPECint95 14.0
SPECfp95 17.0
Memory / Storage
Memory 64 MB to 1.5 GB
Internal Disk Bays 2
Internal Disk Storage 2.1 GB to 109.2[1] GB
Total Disk Storage ?
Removable Media Bays 4
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, Ultra Wide SCSI[2,3], EIDE,
10/100 Mb Ethernet, 2 USB ports[4], audio in/out,
joystick
I/O Slots 5:
  • 2 PCI32/ISA
  • 1 PCI32
  • 1 PCI64
  • 1 PCI64/ISA
Max. I/O Throughput PCI: 264 MB/s
ISA: 8 MB/s
Options
Audio & Video 2D/3D graphics, motion video, digitizing tablet
Networking 10/100 Mb Ethernet, Gigabit Ethernet, FDDI, Token Ring,
sync/async. communications, ISDN, internal modem
Storage Fast SCSI, Ultra Wide SCSI, Ultra Wide Differential SCSI,
Ultra2 Wide SCSI, RAID, DDS-2, DDS-3, ZIP[5]
Availability Features Auto reboot, RAID, ECC memory, error logging
Operating Systems / Clustering
OS Support Windows NT
TruCluster No
OpenVMS Cluster No
MSCS No
Hardware Partitioning No
Environment
Acoustics (LWAd / LpAm)
Idle 5.2 B / 36 dBA[6]
Operating 5.2 B / 36 dBA[6]
Altitude
Operating 3,048 m (10,000 ft)
Non-operating 12,192 m (40,000 ft)
Shock (operating) ?
Vibration (operating) ?
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 5.5 A / 3.0 A
Power Source Single phase
Power Supply 300 W
Power Usage[7] ?
Physical Characteristics
Height 40.6 cm (16.0 in)
Width 21.6 cm (8.5 in)
Depth 44.4 cm (17.5 in)
Weight 18.6 kg (41.0 lb)
Warranty
1 year on-site
[1] Uses 2 removable media bays.
[2] Occupies one PCI slot.
[3] As of mid-1998 systems shipped with onboard Ultra Wide SCSI.
[4] Ports not operational on all PWS systems.
[5] Windows NT only.
[6] No hard drives.
[7] "Packaged System" configuration (see SOC); halt in firmware.