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This chapter shows System/3 component locations in the
following figures:
• Figure 6-1-Shows access panels.
• Figure 6-2-Shows CPU gate locations.
• Figure 6-3-Shows power supplies in the CPU for the
early design power control.
ACESS PANEL
Area
Panel
CPU, memory
and attachment
A
MFCU-mechanical
D
electrical
E, F
Printer-mechanical
G
PCB
electrical
H
PEB
electrical
I
Power Supplies
+60 Vdc
H
-4 Vdc
+6 Vdc
A or B
+6 V Expansion
J
Memory
Aor B
BSCA
+24 Vdc
E
Med Speed - 12 Vdc
J
Console
c
Cables
F
Power Control
Board
J,
A
Documents
K
Figure
6-1.
Access Panels
on
the System/3
Page of SY31-0244-2
Revised December 1. 1971
By TNL: SN31-0307
Chapter 6. Locations
• Figure 6-4-Shows power supplies for the redesigned
,power control.
• Figure 6-5-Shows the number 1 logic and memory bulk
supply for both the early design and the redesigned
power control.
• Figure 6-6-Shows the keys, switches, and indicator
locations on the CE control panel.
24V Control
Processing
Unit (Back) _ _ ___,
0
D
v
Hinged Panel
Panel with Fasteners
Panels which are hinged
but must be removed for
some service requirements
5410 MM
6-1
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