IBM 6648 - Manual (Page 115)

Product description
The NetVista type 6058/60596269/6578/6579 computers are available in 4 x 4
(four I/O adapter slots, four drive bays). Type 6269 has only has 3 usable I/O
slots.
v Type 6269 is the white desktop type with the A20 system board.
v Types 6578 and 6579 are the white desktop types with the A40 and A40P
system boards, respectively.
v Types 6058 and 6059 are the Global machine types, white desktop, with the
A40 and A40P system boards, respectively.
v Security
– Administrator password
– Cover lock
(optional on 6269; not shipped with machine)
– Power-on password
– Operating system password
– U-bolt and cable (optional for some models)
v CMOS backup battery (lithium)
v Common parts
– Diskette drive
– Hard disk drive
– Keyboard
– Power supply
– Mouse
Chapter 3. Types 6058/6059/6269/6578/6579 101