MICRO EQUIPMENT CORPORATION UN-1081 VL Data bus: 32-bit VL-Bus Size: Three/quarter, full-height card Hard drive supported: Two IDE (AT) interface drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives [Image] CONNECTIONS Function Location 4-pin connector - drive active LED J1 40-pin IDE (AT) interface connector J2 34-pin control cable connector - floppy drive J3 16-pin game port - internal J4 10-pin serial port - external (via ribbon J5 cable) 10-pin serial port - internal J6 25-pin parallel port - external P1 USER CONFIGURABLE SETTINGS Function Location Setting » HDD IRQ14 select W6/pins 1 & 2 closed HDD IRQ15 select W6/pins 2 & 3 closed » Floppy drive primary address is W7/pins 2 & 3 closed 3F0h - 3F7h Floppy drive secondary address is W7/pins 1 & 2 closed 370h - 377h » IDE (AT) primary address is 1F0h - W8/pins 2 & 3 closed 1F7h, & 3F6h - 3F7h IDE (AT) secondary address is 170h W8/pins 1 & 2 closed - 177h, & 376h - 377h » IDE (AT) interface enabled W9/pins 1 & 2 closed IDE (AT) interface disabled W9/pins 2 & 3 closed » Floppy controller enabled W10/pins 1 & closed 2 Floppy controller disabled W10/pins 2 & closed 3 » Printer port unidirectional select W17/pins 1 & closed 2 Printer port bidirectional select W17/pins 2 & open 3 » Game port enabled W26 closed Game port disabled W26 open IDE (AT) TRANSFER RATE CONFIGURATION Trans. Rate VL Speed W1 W2 W3 W4 W5 » 3.9MB/sec £ 33MHz 1 & 2 2 & 3 2 & 3 2 & 3 1 & 2 3.3MB/sec £ 33MHz 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 3.3MB/sec <33MHz 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 3.5MB/sec £ 33MHz 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 3.6MB/sec >33MHz 1 & 2 1 & 2 2 & 3 2 & 3 2 & 3 3.7MB/sec £ 33MHz 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 3.8MB/sec >33MHz 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 4.2MB/sec £ 33MHz 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 4.2MB/sec >33MHz 2 & 3 2 & 3 2 & 3 1 & 2 2 & 3 4.4MB/sec £ 33MHz 1 & 2 1 & 2 2 & 3 2 & 3 1 & 2 4.5MB/sec >33MHz 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 4.8MB/sec £ 33MHz 1 & 2 1 & 2 1 & 2 2 & 3 1 & 2 5.0MB/sec >33MHz 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 5.1MB/sec £ 33MHz 2 & 3 2 & 3 2 & 3 1 & 2 1 & 2 5.6MB/sec £ 33MHz 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 5.6MB/sec >33MHz 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 IDE (AT) TRANSFER RATE CONFIGURATION (CON’T) Trans. Rate VL Speed W1 W2 W3 W4 W5 6.1MB/sec £ 33MHz 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 6.3MB/sec >33MHz 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3 6.7MB/sec £ 33MHz 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 7.2MB/sec >33MHz 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 7.4MB/sec £ 33MHz 1 & 2 2 & 3 2 & 3 1 & 2 1 & 2 8.3MB/sec £ 33MHz 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 Note: Pins designated are in the closed position. SERIAL PORT 1 CONFIGURATION COM W11 W12 » COM1 (3F8h) pins 1 & 2 closed pins 2 & 3 closed COM3 (3E8h) pins 2 & 3 closed pins 1 & 2 closed COM4 (2E8h) pins 1 & 2 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 2 CONFIGURATION COM W13 W14 » COM2 (2F8h) pins 1 & 2 closed pins 2 & 3 closed COM3 (3E8h) pins 1 & 2 closed pins 1 & 2 closed COM4 (2E8h) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed PARALLEL PORT CONFIGURATION LPT W15 W16 » LPT1 (378h) pins 2 & 3 closed pins 1 & 2 closed LPT2 (278h) pins 1 & 2 closed pins 2 & 3 closed LPT3 (3BCh) pins 1 & 2 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 1 INTERRUPT SELECTION IRQ W18 W19 W20 » 4 closed open open 3 open closed open 5 open open closed SERIAL PORT 2 INTERRUPT SELECTION IRQ W21 W22 W23 » 3 closed open open 4 open closed open 5 open open closed PARALLEL PORT INTERRUPT SELECTION IRQ W24 W25 » 7 closed open 5 open closed