https://www.ni.com/pdf/manuals/370948a.pdf
page 17 physical
Hardware Description
The MC-GPIB transforms any IBM PS/2 or compatible computer equipped
with 16-bit Micro Channel slots into a full-functioned Talker/Listener/ Controller. The NAT4882 controller chip is fully compatible with the
IEEE 488.2 standard. The Turbo488 performance-enhancing ASIC boosts
GPIB read and write transfers to rates exceeding 1 Mbytes/s. You can use standard GPIB cables to connect the MC-GPIB board with up to 14
instruments, or you can install multiple MC-GPIB boards in a single
system.
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