IBM 704 - Manual (Page 304)

Device Records
Table 12. Internal Drives and Devices
Location Drive or Device Description
Diskette Bay
External Bay 1
External Bay 2
External Bay 3
External Bay 4
Bank 1 Bay 1
Bank 1 Bay 2
Bank 1 Bay 3
Bank 1 Bay 4
Bank 1 Bay 5
Bank 1 Bay 6
Bank 2 Bay 1
Bank 2 Bay 2
Bank 2 Bay 3
Bank 2 Bay 4
Bank 2 Bay 5
Bank 2 Bay 6
286 PC Server 704 User's Handbook