7-4 9030/40 Peripherals
SW2 S1: Bidirectional Bus Enable;
E15
E16
W3
W2
Up
- Disabled.
Down - Enabled.
S2: Internal Handshake Enable;
Up - Disabled.
Down - Enabled.
S3:
Full/Pulse Handshake Enable;
Up - Disabled.
Down - Enabled
(HP 97060A).
S4
and
S5: Data Input Clock Select;
Both Down - backplane sync cycle completion.
Both Up - Backplane sync cycle completion.
S4
Up and
S5
Down - Busy to ready edge of PFLAG (trail edge).
S4
Down
and
55
Up
- Ready
to
busy edge of the PFLAG (lead edge).
W1, W2, W3
Jumper
in
5V Position
+ 5
r:::r::!J.
+ 1 2
Jumper
in
12V Position
-up
FOR 9885M S
-DOWN FOR 97060A
HP
27112A General Purpose
VO
(GPIO) Interface
Card
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