AT&T 3B2/300 Technical Reference Manual page 61

- - - - - - - - - - - - - - - - - - - - - - - - - - - EQUIPMENT DESCRIPTION
3B2/500 Computer Cabinet (ED-3T043-30)
Major Assemblies
Figure 2-7 shows a typical 3B2/500 computer. Since the 3B2/500 computer is equipped with a
"smart" power supply, there is no noticeable difference in the domestic and international versions. The
major assemblies include the following:
• Power Supply Unit (ACS752A)
• One Floppy Disk Drive, KS-23114,L4
• One Hard Disk Drive:
o 147-megabyte, KS-23371,L17
o 155-megabyte, KS-23483,L25
o 300-megabyte, KS-23483,LlB.
• One 60- or 120-megabyte Cartridge Tape Drive, KS-23417,Ll or KS-23465,L14
• System Board CM518A
• CM520A Backplane and card cage
• Memory card(s)
• DUART Connector-2 Interface, ED-4C631-35,G2
• Backup battery.
EQUIPMENT DESCRIPTION 2-37