Up for for Sale onaVintage EVEREX EV-833 8-Bit ISA I/O Controller Adapter Card PWA-00081-00 for IBM PC,Used and Good Condition Not been Tested but is in Good Condition,Package Includes: I/O CardUnitOnly,All products will be shipped with a delivery confirmation number to ensure a safe transit,Please Check out the Photos and my other Listing Items, Thanks for Looking,!Chapter 8.8 Compaq Portable and Compaq Plus Asynchronous Communications/Clock Board Jumper SettingsJumpers on the COMPAQ Portable and COMPAQ PLUS asynchronous communications/clock board determine the communications address and the interrupt selectionon the board. Device U13 allows the selection of a 20 mA current loopoperation rather than the standard RS-232-C voltage operation.DO NOT attempt to install two asynchronous communications/clock boards in onesystem. If two boards are installed, incorrect operation will result.For locations of the COMPAQ Portable and COMPAQ PLUS asynchronouscommunications/clock board jumper settings, see Figure 8.8-1.
Chapter 8.8 Compaq Portable and Compaq Plus Asynchronous Communications/Clock Board Jumper SettingsJumpers on the COMPAQ Portable and COMPAQ PLUS asynchronous communications/clock board determine the communications address and the interrupt selectionon the board. Device U13 allows the selection of a 20 mA current loopoperation rather than the standard RS-232-C voltage operation.DO NOT attempt to install two asynchronous communications/clock boards in onesystem. If two boards are installed, incorrect operation will result.For locations of the COMPAQ Portable and COMPAQ PLUS asynchronouscommunications/clock board jumper settings, see Figure 8.8-1.