EVEREX SYSTEMS, INC.

EV-346, EV-346M

Data bus: 16-bit, ISA

Size: Three-quarter length, full height card

Hard drives supported: Two MFM ST506/ST412

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

Sector interleave: 1:1

EV-346

EV-346M (M denotes Motorola Chipset

EVEREX SYSTEMS, INC.

EV-346, EV-346M

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CONNECTIONS

34-pin control cable connector-hard drive

J1

20-pin data cable connector-drive 0

J2

20-pin data cable connector-drive 1

J3

34-pin control cable connector-floppy drive

J4

4-pin connector-drive active LED

J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

IRQ14 enabled (EV-346M only)

W4

open

 

IRQ14 disabled (EV-346M only)

W4

closed

»

Floppy Drive DMA Acknowledge Channel 2 disabled

W5

open

 

Floppy Drive DMA Acknowledge Channel 2 enabled

W5

closed

»

Hard drive port address is 1F0-1F7h

W6

open

 

Hard drive port address is 170-177h

W6

closed

»

Floppy drive port address is 3F2, 3F4-3F7h

W9

open

 

Floppy drive port address is 372, 375-377h

W9

closed

»

Floppy drive enabled

W10

pins 1 & 2 closed

 

Floppy drive disabled

W10

pins 2 & 3 closed

»

Hard drive enabled

W11

pins 1 & 2 closed

 

Hard drive disabled

W11

pins 2 & 3 closed