IBM 5100 Cards

BACK TO IBM 5100

The following is a summary of the support cards that go in the IBM 5100 main A1 board. These are “before cleaning” after 40 years!

NOTE: I don’t call these “expansion cards” since they don’t really expand the capability of the system. Rather, each of these cards is required in order to have a functional system.

IBM 5100 SYSTEM SUPPORT CARDSA1 BOARD SLOT
SLOT C4
BASIC ROS
(non-executable)

36KB
SLOT E
ROS Control
SLOT F
BASE I/O
SLOT G Controller
SLOT H2
BASIC, I/O, and Diagnostics

Executable ROS
SLOT J
Display
SLOT K2/K4
Read/Write Storage

8K and 8K

Mixed Assortment (same cards as above)

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