Data General AViiON 530 Series, Клиентская документация, Страница: 28 / 266

Getting Started
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External Options
AViiON 530 and 4600 series systems also support the following external devices
connected to the rear panel of the deskside computer unit.
•
Model 10565 Peripheral Housing Unit (PHU) massĆstorage subsystems:
- Three half-height (1.75-inch) 5.25-inch SCSI devices per PHU
- One full-height (3.25-inch) 5.25-inch SCSI device per PHU
- Combination of one full-height and one half-height device per PHU
•
CSS2/DC mass storage subsystems:
- Seven half-height, five full-height, or combination of seven
- 5.25-inch SCSI devices per CSS2/DC
• Model 6586/6587, Model 6588/6589 reel-to-reel SCSI tape drives
•
3 synchronous devices per VSC/3 controller
•
16 asynchronous devices per VAC/16 controller
•
255 asynchronous devices per VDA/255 adapter (AViiON 4600 series)
- Controlled by VDC/8P or VDC/16 downloadable cluster controller boxes
•
255 asynchronous devices per VTC controller (AViiON 4600 series)
Refer to the following sections of this chapter and Appendix A for more detailed
information about base and optional system components. Figure 1-2 illustrates the
rear panel and connectors to I/O ports for AViiON 530 and 4600 series systems; refer
to Chapter 2 for information about installing devices in any of the connectors.
NOTE: For information about connecting devices to VMEbus options, refer to
Setting Up and Installing VMEbus Options in AViiON  Systems .