HP 3000 Series Installation And Service Manual page 24

Installation
Table 2-2.
Rocker Switch positions
-
-
Sw itch No. Function
Enable Position
1 Allow refresh
Open
2
Allow proces sor execution Open
3
Access ET PROM ( see note 1)
Closed
4
Access INP ROM ( see note 1)
Closed
5
Allow remote restart Open
6
HP-IB shield (gr ound)
- J3
Closed
7
HP-IB controller-in-charge <:pen = Controller
8
Unassigned (see note 2) Open = High
9
Unassigned (see note 2) Open = High
10 Loop self test (see note
3)
Closed
=
Loop
Notes:
1.
I
2.
3.
Simultaneous closure of switches 3 and 4
defaults to ET PROM.
No hardware significance; can be read by the
INP microprocessor.
With HP-supplied SOS ROMs, the self-test program
will loop.
)
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