Data General 6662, Customer Documentation

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014–002139
Installing the Drive
This document explains how to install the Model 6662, 6796, and 6799 full-height
3Ć1/2 inch disk drive in a Data General computer system or mass-storage subsystem
that uses the small computer system interface (SCSI).
NOTE: This drive occupies a half-height slot.
Models 6662 and 6796 are singleĆended drives and Model 6799 is a differential drive.
NOTE: There are two versions of Model 6662 as shown in Figure 1. Version A is
a 5Ć1/4 inch half-height drive and Version B is a 3Ć1/2 inch full-height
drive. If you have Model 6662 Version A, refer to the
(014Ć001940). This
document (014-002139) describes how to install and operate Model 6662
Version B. There are two board layouts for Model 6662 Version B as
shown in Figure 1.
Model 6662 Version B
3-1/2 inch full-height
332-Mbyte
Board Layout 2
Model 6662 Version A
5-1/4 inch half-height
332-Mbyte
Model 6662 Version B
3-1/2 inch full-height
332-Mbyte
Board Layout 1
Figure 1 Identifying Model 6662 Versions and Board Layouts
Table 1 highlights the specifications for the disk drive. Refer to the information in
this table as needed.