ATC/UNITRON COMPUTERS & COMPUTER PARTS

EX3135

Data bus:

32-bit VL-bus

Size:

Three-quarter length, full-height card

Hard drive supported:

Two IDE(AT) drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

34-pin cable connector - floppy drive

CN1

40-pin primary IDE(AT) connector

CN2

16-pin game port

CN3

10-pin serial port 2 - internal

CN4

9-pin serial port 1 - external

CN5

25-pin parallel port - external

CN6

4-pin connector - drive active LED

J10

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Factory configured - do not alter

J1

Pins 2 & 3 closed

»

Factory configured - do not alter

J2

Closed

»

Factory configured - do not alter

J3

Closed

»

IDE(AT) interface enabled

J4

Pins 1 & 2 closed

 

IDE(AT) interface disabled

J4

Pins 2 & 3 closed

»

IDE port address 034h, 038h, 03Ch select

J7

Pins 1 & 2 closed

 

IDE port address 0B4h, 0B8h, 0BCh select

J7

Pins 2 & 3 closed

»

Factory configured - do not alter

J8

Pins 2 & 3 closed

»

Factory configured - do not alter

J9

Pins 1 & 2 closed

USER CONFIGURABLE SETTINGS (CONTINUED)

Function

Location

Setting

»

Two IDE(AT) drives present

J11

Open

 

One IDE(AT) drive present

J11

Closed

»

Parallel port enabled

JP12

Pins 1 & 2 closed

 

Parallel port disabled

JP12

Pins 2 & 3 closed

»

Factory configured - do not alter

JP13

Pins 2 & 3 closed

»

Factory configured - do not alter

JP14

Pins 1 & 2 closed

»

Floppy drive interface enabled

JP15

Pins 1 & 2 closed

 

Floppy drive interface disabled

JP15

Pins 2 & 3 closed

»

Parallel port is LPT1(378h)

JP16

Pins 1 & 2 closed

 

Parallel port is LPT2(278h)

JP16

Pins 2 & 3 closed

»

Game port enabled

JP17

Pins 1 & 2 closed

 

Game port disabled

JP17

Pins 2 & 3 closed

»

Parity check disabled

JP27

Open

 

Parity check enabled

JP27

Closed

»

M/B Chipset is not ALI 1429 A/G

JP30

Closed

 

M/B Chipset is ALI 1429 A/G

JP30

Open

Note: Parity check can only be enabled when using SIMMs with parity bit.

BIOS ADDRESS SELECTION

Address

JP23

JP24

»

C8000-CFFFFh

Closed

Closed

 

D0000-D7FFFh

Open

Closed

 

D8000-DFFFFh

Closed

Open

 

E0000-E7FFFh

Open

Open

INTERFACE MODE SELECTION

Mode

J5

J6

386SX

Pins 1 & 2 closed

Pins 1 & 2 closed

386DX

Pins 1 & 2 closed

Pins 2 & 3 closed

486

Pins 2 & 3 closed

Pins 1 & 2 closed

CACHE I/O PORT ADDRESS SELECTION

Address

JP25

JP26

»

130h & 134h

Closed

Closed

 

230h & 234h

Open

Closed

 

300h & 304h

Closed

Open

 

330h & 334h

Open

Open

SERIAL PORT ADDRESS SELECTION

PORT 1

PORT 2

JP18

JP19

JP20

JP21

COM1

COM2

1 & 2

1 & 2

1 & 2

1 & 2

COM1

COM4

1 & 2

1 & 2

1 & 2

2 & 3

COM1

Disabled

1 & 2

1 & 2

2 & 3

N/A

COM3

COM2

1 & 2

2 & 3

1 & 2

1 & 2

COM3

COM4

1 & 2

2 & 3

1 & 2

2 & 3

COM3

Disabled

1 & 2

2 & 3

2 & 3

N/A

Disabled

COM2

2 & 3

N/A

1 & 2

1 & 2

Disabled

COM4

2 & 3

N/A

1 & 2

2 & 3

Disabled

Disabled

2 & 3

N/A

2 & 3

N/A

DRAM JUMPER CONFIGURATION

Size

JP28

JP29

On-board DRAM enabled (256 x 16)

Open

Open

On-board DRAM disabled

Closed

Closed

Note: When enabling DRAM do not fill Bank 0 and leave jumper JP27 open.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

On-board DRAM

512KB

(2) 256 x 9

NONE

NONE

512KB

NONE

NONE

(1) 256 x 16

1MB

(2) 256 x 9

(2) 256 x 9

NONE

2Mb

(2) 1MB x 9

NONE

NONE

2.5MB

(2) 1MB x 9

(2) 256 x9

NONE

2.5MB

NONE

(2) 1MB x 9

(1) 256 x 16

4MB

(2) 1MB x 9

(2) 1MB x 9

NONE

8MB

(2) 4MB x 9

NONE

NONE

8.5MB

(2) 4MB x 9

(2) 256 x 9

NONE

8.5MB

NONE

(2) 4MB x 9

(1) 256 x 16

10MB

(2) 4MB x 9

(2) 1MB x 9

NONE

16MB

(2) 4MB x 9

(2) 4MB x 9

NONE

Note: 0KB of memory is also a valid configuration.