MICRO EQUIPMENT CORPORATION UN-1085 Data bus: 32-bit VL-Bus Size: Three/quarter-length, full-height card Hard drive supported: Four IDE (AT) interface drives Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives supported: [Image] CONNECTIONS Function Location 40-pin Primary IDE (AT) interface connector CN1 40-pin Secondary IDE (AT) interface connector CN2 34-pin control cable connector - floppy drive CN3 16-pin game port - internal CN4 10-pin serial port - internal COMA 10-pin serial port - internal COMB 2-pin connector - drive active LED LED1 25-pin parallel port - external P1 USER CONFIGURABLE SETTINGS Function Location Setting » Factory configured - do not W1 N/A alter » Factory configured - do not W2 N/A alter » Factory configured - do not W3 N/A alter » Factory configured - do not W4 N/A alter » Factory configured - do not W5 N/A alter IOCHRDY 759AF select W6/pins 2 & 3 closed IOCHRDY ISA select W6/pins 1 & 2 closed » Primary IDE (AT) interface W8/pins 2 & 3 closed enabled Primary IDE (AT) interface W8/pins 1& 2 closed disabled » Secondary IDE (AT) interface W9/pins 2 & 3 closed enabled Secondary IDE (AT) interface W9/pins 1 & 2 closed disabled » Speed 50MHz select W10/pins 2 & 3 closed Speed 33MHz select W10/ pins 1 & 2 closed » Factory configured - do not W13 N/A alter » Floppy drive address is W21 open 3F0h-3F7h Floppy drive address is W21 closed 370h-377h » Floppy controller enabled W22 open Floppy controller disabled W22 closed » Parallel port output only select W23 closed Parallel port bi-directional W23 open select » Game port enabled W24 open Game port disabled W24 closed » Parallel port address is 378h W25 open Parallel port address is 278h W25 closed » COMA address is 3F8h W26 open COMA address is 3E8h W26 closed » COMA enabled W27 open COMA disabled W27 closed » Parallel port enabled W28 open Parallel port disabled W28 closed » COMB address is 2F8h W29 open COMB address is 2E8h W29 closed » COMB enabled W30 open COMB disabled W30 closed IDE (AT) TIMMING & MODE CONFIGURATION Timming Mode W11 W12 240ns 3 pins 1 & 2 pins 1 & 2 closed closed 400ns 2 pins 1 & 2 pins 2 & 3 closed closed 500ns 1 pins 2 & 3 pins 1 & 2 closed closed 600ns 0 pins 2 & 3 pins 2 & 3 closed closed HARD DRIVE DMA SELECTION Channel W14 W15 W16 W17 W18 W19 5 open open closed open open closed 6 open closed open open closed open 7 closed open open closed open open SERIAL PORT 1 INTERRUPT SELECTION IRQ W36 W37 W38 » 4 closed open open 3 open closed open 5 open open closed SERIAL PORT 2 INTERRUPT SELECTION IRQ W39 W40 W41 » 3 closed open open 4 open closed open 5 open open closed PARALLEL PORT INTERRUPT SELECTION IRQ W42 W43 » 7 closed open 5 open closed