ARNET CORPORATION TWINPORT Card Type Serial controller Chipset/Controller Startech I/O Options Serial ports (2) Maximum DRAM N/A [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Serial port 1 CN2 SERIAL PORT CONFIGURATION Port 1 (CN2) Port 2 (CN1) S1 S2 COM1 COM2 1, 2, 3, 5, & 1 & 2 On 6 on COM1 Disabled 1, 2, 3, & 5 1 On on Disabled COM2 1, 2, 3, & 6 2 On on Disabled Disabled All Off N/A Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. I/O ADDRESS SELECT Port 1 Port 2 Option S1/1 S1/2 S1/3 S1/7 S1/8 (CN2) (CN1) 100h 108h 140h Off Off Off Off Off 180h 188h 1C0h Off Off On Off Off 200h 208h 240h Off On Off Off Off 200h 208h 2D0h Off On On Off Off 280h 288h 2C0h On Off Off Off Off 280h 288h 300h On Off On Off Off 300h 308h 340h On On Off Off Off 3F8h 2F8h 340h On On On Off Off OPTION I/O SPACE CONFIGURATION Setting S1/4 Enabled On Disabled Off I/O ADDRESS SELECT Port 1 Port 2 S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 S1/7 (CN2) (CN1) IRQ4 IRQ3 On On Off Off Off Off Off IRQ2 IRQ2 Off Off On Off Off Off Off IRQ3 IRQ3 Off Off Off On Off Off Off IRQ4 IRQ4 Off Off Off Off On Off Off IRQ5 IRQ5 Off Off Off Off Off On Off IRQ7 IRQ7 Off Off Off Off Off Off On FORMULA IV OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address 280h N/A IRQ2 1, 5 & 6 3 on on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. MBOS/5, BOS/LAN OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address » 100h N/A IRQ2 5 & 6 on 3 on 200h N/A IRQ2 2, 5 & 6 3 on on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. MUC-DOS OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address » 100h 140h IRQ7 4, 5 & 6 7 on on 200h 240h IRQ7 2, 4, 5 & 7 on 6 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. MUMPS/CCSM MUMPS OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address » 280h 2C0h IRQ3 1, 4, 5 & 4 on 6 on 200h 2D0h IRQ3 2, 3, 4, 4 on 5 & 6 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. PICK OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address 280h 2C0h IRQ4 1, 4, 5 5 on and 6 on 180h 1C0h IRQ3 3, 4, 5 4 on and 6 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. QNX OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address 280h N/A IRQ2 1, 5 & 6 3 on on 280h N/A IRQ3 1, 5 & 6 4 on on 280h N/A IRQ4 1, 5 & 6 5 on on 280h N/A IRQ5 1, 5 & 6 6 on on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. THEOS OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ System S1 S2 Address Type 280h 2C0h IRQ5 AT 1, 4, 5 6 on & 6 on 280h 2C0h IRQ4 XT 1, 4, 5 5 on & 6 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. VENIX/86 OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address 280h N/A IRQ3 1, 5 & 6 4 on on 280h N/A IRQ4 1, 5 & 6 5 on on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. XENIX SYSTEM V OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ Port S1 S2 Address » 100h 140h IRQ4 COM1 4, 5, & 5 on 6 on 280h 2C0h IRQ4 COM1 1, 4, 5 on 5, & 6 on » 180h 1C0h IRQ3 COM2 3, 4, 4 on 5, & 6 on 300h 340h IRQ3 COM2 1, 2, 4 on 4, 5, & 6 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. XMM-DOS OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address » 100h 140h IRQ2 4, 5, & 6 3 on on 180h 1C0h IRQ7 3, 4, 5, 7 on & 6 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position. PC-MOS/386 OPERATING SYSTEM SETTINGS UART Address Option I/O IRQ S1 S2 Address » 280h N/A IRQ2 1, 5 & 6 3 on on 100h N/A IRQ2 5 & 6 on 3 on Note:All switch keys other than those designated as on for a particular configuration should be put in the Off position.