IBM 5100 User Manual

550 DISPLAY CARD J2
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+Shift Reg Video
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10 4
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+Char Count Bus
+Row Count Bus
-Hor Margin
+Line Count 1
-Blank Display
S02
+6V FE Ref
I I CE Voltage Reference Point
Zener Diode I
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5-34
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IBM 5100 Specifications

General

Release Year	1975
RAM	16 KB - 64 KB
Storage	204 KB tape drive
Display	5-inch CRT
Operating System	APL/BASIC
Processor	IBM PALM (1.9 MHz)