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The 8255 I/O card is a programmable peripheral interface for the PCI-slotPC/AT, 80486, Pentium or compatible. The interface card contains 8254 chip and 8255 chips, the 8254 chip provides programmable interval timer/counter function, and the 8255 chips provide programmable input/output functions.
2 x 8255 (OKI 82C55AC-2) - 1 x 8254 (82C54)
32-bit PCI bus with Plug and Play (PnP) features
Programmable l/O control functions.
Up to 48 I/O lines. TTL - 5V
Maximum of 2 MHZ count rate.
Three independent 16 bits counter.
Support several operating modes which are programmable.
Sixteen LEDs indicate when l/O is operating.
Connection with 40-Pin connector on the card
Port address PnP
With Windows-98/NT/2000/XP and Linux driver and DOS info