RBIL61 - PROGRAMMABLE INTERVAL TIMER 2

RBIL61 - PROGRAMMABLE INTERVAL TIMER 2

PORTIBM PC Portable (uses same BIOS as XT) 0044-0047 - Microchannel - PROGRAMMABLE INTERVAL TIMER 2 {#idx139087}

PORTIBM PC Portable (uses same BIOS as XT) 0048-004B - EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). - PROGRAMMABLE INTERVAL TIMER 2 {#idx139121}