HP 27125-69201 - CIO LAN interface controller (LANIC) board - CIO LAN Interface Controller (LANIC) Board (27125A) Retail
HP 12041-60012 - 8-channel asynchronous multiplexer interface board - 8-Channel Asynchronous Multiplexer Interface Board (12041B) Retail
HP 5062-3303 - CIO HP-IB interface board - CIO HP-IB Interface Board (27113A) - Requires PBA Adapter Retail
HP A1027-66515 - CIO channel adapter board - Activates upper HP-PB slot for CIO - Used with CIO/HP-PB connector adapter board & a CIO I/O - CIO Channel Adapter Board - Activates Upper HP-PB Slot for CIO - Used with CIO/HP-PB Connector Adapter Bd & a Retail