Prototype Card

Prototype card PROTO-AT provides means to develop custom cards for use in ISA bus computers. The card buffers all address lines, data lines, and some of the control signals. It also provides address decoding for I/O addresses 000 through 3FF and for memory addresses 00000 through FF000 and allows set up of the selected address block size.

The card provides approximately 35 square inches of breadboard area for custom circuit development. This breadboard area contains over 2600 plated-through holes for easy component soldering. The holes are 0.035 inches in diameter with 0.100 inches spacing. The breadboard area is surrounded by heavy buses for ground and +5 VDC power.

The card is supplied with a 37-pin Sub-D right-angle connector and matching mounting bracket. The properly spaced holes at the right end of the card will accommodate either one 37-pin Sub-D connector, or on 25-pin and one 9-pin connector, or one 40,50, or 60-pin flat cable connector.

Drivers and Downloads

List of available Downloads: Software Packages, Drivers, Manuals, and other documents

Custom Software

ACCES also offers Custom Software Services for our products. Our prices are unbelievably low, often as inexpensive as free! If you need something tweaked to support your needs, or an entire enterprise application developed from scratch, it is definitely worth your time to inquire with us, first.

Available Reference Manuals

Further information about available ACCES Software:

Redistributing Windows Drivers
A list of ACCES drivers and the files that compose them under different versions of Windows, so you can easily redistribute ACCES cards and drivers.
ModelPrice (USD)

Acquisition, Control, Communication: Engineering and Systems

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