IBM System/36 Maintenance Information Manual

440 Base and Feature DC Voltage Tolerances
The base and feature DC voltages can be measured at the connector pins shown in section 435.
Voltage Minimum Maximum
+ 1.7 volts
+ 1.66 + 1.73
+ 5 volts
+4.80 +5.25
-5 volts
-4.60
-5.50
+ 12 volts + 11.20 + 12.60
See note.
-12 volts -10.90 -13.20
Note: The + 12 volts tolerances measured at P4 and P11
are minimum of + 11.52 volts and maximum of
+ 12.60 volts.
445 Maximum Ripple Voltage
The ripple voltage can be measured at the connector pins shown in the following tables:
A1 Board
Probe
Ground
Connector Pin Connector
Pin Maximum Ripple
PI 1 P2 1
200 millivolts
PI 2 P2 1 200 millivolts
PI 4
P2 1 200 millivolts
P2 4 P2 1 200 millivolts
P2 5 P2
2 200 millivolts
P2 6 P2 3 200 millivolts
P3 1 P3 6 30 millivolts
P3
2 P3 7
30 millivolts
P3 3
P3
8
30 millivolts
Section 4. Power Procedures 4-13

IBM System/36 Specifications

General

Brand	IBM
Model	System/36
Category	Desktop
Language	English