Data General AViiON 4600 Series, Customer Documentation

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Technical Specifications
A-6
014–002091
Mass Storage Options
This section lists mass storage devices supported by AViiON 530 and 4600 series
systems in April, 1992. Please contact your Data General representative for a
complete list of currently supported devices.
SCSI Bus
Integrated NCR 53C700 Small Computer System Interface (SCSI) controller
Maximum of two per system
One on system board
One on optional Expansion I/O board
Single-ended SCSI interface
Asynchronous operation mode support (5 Mbytes/s maximum)
Synchronous operation mode support (5.5 Mbytes/s maximum)
Each controller supports seven devices maximum (internal or external)
Maximum of four internal devices (4 half-height device bays)
External Subsystems
Combined Storage Subsystem 2 (CSS2/DC)
24
x
8.75
x
19 inches; stand-alone tower
10 half-height slots supporting maximum of seven 5.25-inch SCSI devices
(five full-height, seven half-height, or combination totaling seven or less)
Model 10565 Peripheral Housing Unit (PHU)
12.75
x
8
x
10 inches; stand-alone box
3 half-height slots supporting maximum of three 5.25-inch SCSI devices
(three half-height, one full-height with one half-height maximum)
Devices
1/4-inch cartridge (QIC) tape
150-Mbyte (half-height):
Read/write QIC 120 Mbytes; read-only QIC 40 and 60 Mbytes
135-Kbytes/s sustained data transfer rate
Multicapacity (half-height):
read/write QIC 150, 325, 525 Mbytes
240-Kbytes/s average data transfer rate
2-Gbyte archival cartridge tape (full-height)
246-Kbytes/s sustained data transfer rate
150 IPS
600-Mbyte read-only memory compact disk (CD-ROM) drive (half-height)
153.6-Kbytes/s sustained data transfer rate
600-Mbyte rewritable optical disk (full-height)
620-Kbytes/s user data transfer rate (drive interface 7.4-Mbytes/s)
(requires ESDI-SCSI adapter board)