XINETRON, INC.

XINET LS3251

Processor

80386DX

Processor Speed

25MHz

Chip Set

C & T

Max. Onboard DRAM

16MB

SRAM Cache

None

BIOS

Award

Dimensions

355mm x 304mm

I/O Options

AUI network interface, BNC network interface, floppy drive interface, IDE interface, parallel port, serial ports (2), game port

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

AUI ethernet interface

C1

Game port

C6

BNC ethernet interface

C2

Floppy drive interface

C7

Parallel port

C3

IDE interface

C8

Serial port (COM2)

C4

Reset switch

JP7

Serial port (COM1)

C5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome

JP2

pins 2 & 3 closed

 

Monitor type select color

JP2

pins 1 & 2 closed

»

CPU speed select from keyboard

JP13

pins 1 & 2 closed

 

CPU speed select fast

JP13

pins 2 & 3 closed

»

Floppy drive interface enabled

JP306

pins 2 & 3 closed

 

Floppy drive interface disabled

JP306

pins 1 & 2 closed

»

IDE interface enabled

J312 & J313

pins 2 & 3 closed

 

IDE interface disabled

J312 & J313

pins 1 & 2 closed

»

Pipeline mode enabled

JP12

pins 1 & 2 closed

 

Pipeline mode disabled

JP12

pins 2 & 3 closed

SERIAL PORT CONFIGURATION

COM1 (C5)

COM2 (C4)

JP303

JP304

JP305

Enabled

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

Enabled

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

Enabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT (C3) CONFIGURATION

LPT

I/O Address

JP301

JP302

LPT 1

3BCh

pins 1 & 2 closed

pins 2 & 3 closed

LPT 2

378h

pins 2 & 3 closed

pins 2 & 3 closed

LPT 3

278h

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

N/A

pins 1 & 2 closed

pins 1 & 2 closed

ETHERNET CABLE TYPE CONFIGURATION

Cable Type

JP102

J161-J166

»

BNC

Closed

pins 1 & 2 closed

 

AUI transceiver via 9-pin

Open

pins 2 & 3 closed

ETHERNET INTERRUPT REQUEST CONFIGURATION

Channel

J111

J112

J113

J114

 

IRQ 3

Open

Closed

Open

Open

 

IRQ 2

Closed

Open

Open

Open

 

IRQ 4

Open

Open

Closed

Open

»

IRQ 5

Open

Open

Open

Closed

ETHERNET I/O BASE ADDRESS CONFIGURATION

Address

J121

J122

J123

J124

»

320h

Open

Closed

Open

Open

 

300h

Closed

Open

Open

Open

 

340h

Open

Open

Closed

Open

 

360h

Open

Open

Open

Closed

ETHERNET BOOT ROM MEMORY ADDRESS CONFIGURATION

Address

J131

J132

J133

»

CC000h

Open

Closed

Open

 

C8000h

Closed

Open

Open

 

D0000h

Open

Open

Closed

NPU CONFIGURATION

Mode

JP4

JP11

»

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

 

Asynchronous

pins 1 & 2 closed

pins 2 & 3 closed

 

Synchronous

pins 1 & 2 closed

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

JP20

1MB

(4) 256K x 9

NONE

NONE

NONE

N/A

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

N/A

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

pins 1 & 2 closed

4MB

(4) 1M x 9

NONE

NONE

NONE

N/A

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

N/A

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

pins 1 & 2 closed

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

pins 2 & 3 closed

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

pins 2 & 3 closed