...because we can't all be on the bleeding edge...





EV-341

EVEREX SYSTEMS, INC.

EV-341

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

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

CONNECTIONS

Function

Location

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

Hard drive port address is 1F0-1F7h

W1/jumper 1

open

 

Hard drive port address is 170-177h

W1/jumper 1

closed

Floppy drive port address is 3F2-3F7h

W1/jumper 2

open

 

Floppy drive port address is 372-377h

W1/jumper 2

closed

Floppy drive enabled on DOS system

W1/jumper 3

open

 

Floppy drive disabled on DOS system

W1/jumper 3

W3

closed

Floppy drive enabled on OS/2 system

W2

pins 1 & 2 closed

 

Floppy drive disabled on OS/2 system

W2

pins 2 & 3 closed

Factory configured - do not alter

W4

pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTES

The EV-341 comes standard with 128KB of cache memory. To upgrade to 512KB, populate the DRAM banks with 256Kx4 100ns DRAMs.