Replaceable
Parts
5-15
Table 5-11.
1/0 Cage Parts List (Figure 5-6.)
Index
HP
Number
Part
Number
Quantity
Description
1
09855-66501 1
110
Backplane.
2
8120-4017 1
110
Interlock Cable
and
Switch.
3 0403-0434 1
110
Front Card Guide.
4
0403-0435 1
110
Rear Card Guide.
5 7121-3061 1
110
Card Guide Label (Select Codes).
6 09855-60200 1
110
Door Assembly.
7 1600-1226 1
Mass Memory Cover.
8*
1/0
Cards
and
Parts
09855-69560
1
Fixed Disc Drive
110
Card.
8120-3801 1
• 2 Pin Controller Interconnect Power Cable.
8120-3789 1
• 20 Pin Controller Interconnect Cable.
8120-3788
1
• 34 Pin Controller Interconnect Cable.
8120-3803 1
• 50 Pin Controller Interconnect Cable.
0380-1562
4
• Fixed
Disc
Controller Standoffs.
09855-69886
1
Fixed Disc Drive Controller.
1818-1989 1
• Fixed
Disc
Drive Program
ROM.
09855-66562 1
Bootstrap Loader Card.
**
09020-80000 1 • LoaderlID
ROM
(for Fixed Disc Drive
or
Bootstrap Loader
Card).
**
09020-80001
1
• LoaderlID
ROM
(for Fixed Disc Drive
or
Bootstrap
Loader
Card).
09855-69561 1
9130K Flexible
Disc
Drive Controller.
1818-1897 1
• Flexible
Disc
Controller
ROM.
* For Interface Card information, see the 520 Installation Manual, 09020-90011, Appendix
A.
**
When ordering the LoaderlID ROM, the serial
number
of the computer must
be
given to the
individual taking the order. The serial
number
is
programmed into the replacement 10 ROM.
Boot Loader ROM 09020-80001
is
required for systems using 1 Megabyte
RAM
boards
and
UNIX
4.0 or Basic 2.0. The Boot Loader ROM can
be
used with other
RAM
configurations if
UNIX
4.0 or Basic 2.0
is
used. Boot Loader ROM 09020-80000 can
be
used with UNIX 4.0
or
Basic 2.0 (or any previous software) as long as the stack does not contain a 1 Megabyte board.
The
above
part numbers are replacement part numbers. ROMs
will
be
labeled: 1818-3467
(Rev.
A)
or 1818-3461 (Rev.
B).
09020-90037,
new
page:
1185