AT&T 3B2/300 Technical Reference Manual page 77

- - - - - - - - - - - - - - - - - - - - - - - - - - - EQUIPMENT DESCRIPTION
Domestic AT&T/XM (ED-4C580-30)
Major Assemblies
Figure 2-11 shows a typical domestic AT&T/XM. The major assemblies include a power supply
and various combinations of floppy disk drives, cartridge tape drives, and hard disk drives. A
maximum of three hard disk drives can be housed in the cabinet. The major assemblies are listed
below:
• Power Supply Unit (TRW #095-10040-XXl) set for 115 volt AC operation
• Devices (drives):
o Floppy Disk Drive, KS-23114,L4
o 30-megabyte Hard Disk Drive, KS-23054,Ll
o 72-megabyte Hard Disk Drive, KS-23054,L2
o 23-megabyte Cartridge Tape Drive, KS-23165,Ll
o 60-megabyte Cartridge Tape Drive, KS-23417,L2.
EQUIPMENT DESCRIPTION 2-53