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XI-386/486/386SX

XINETRON, INC.

XI-386/486/386SX

Processor

80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

20/25/33/50(Internal)/50/66(Internal)MHz

Chip Set

Xinetron

Max. onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Ethernet (2), Floppy drive interface, IDE interface, parallel port, serial port (2)

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Ethernet BNC

BN1

Hercules graphic signal output

JP7

Power LED & keylock

J3

LAN board connector

JP10

Turbo LED

J5

LAN board connector

JP11

Turbo switch

J6

Parallel port

P1

Reset switch

J7

Serial port 1

P2

External battery

J8

Serial port 1

P3

Speaker

J9

IDE interface

P9

Serial port 1

JP2

Floppy drive interface

P10

Serial port 1

JP3

Ethernet twisted pair

PH1

Parallel port

JP4

 

 

. USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

J11

Closed

Monitor type select color

J12

pins 1 & 2 open

 

Monitor type select monochrome

J12

pins 1 & 2 closed

AT BUS clock select synchronous

JP1

pins 5 & 6 closed

 

AT BUS clock select asynchronous

JP1

pins 4 & 5 closed

Hercules Graphic display enabled

JP5 & JP6

pins 1 & 2 closed

 

Hercules Graphic display disabled

JP5 & JP6

pins 2 & 3 closed

Hercules Graphic display select character generator enable

JP8

pins 1 & 2 closed

 

Hercules Graphic display select character generator disabled

JP8

pins 2 & 3 closed

NPU select 3167 or 387DX enabled

JP12

pins 4 & 5 closed

 

NPU select 3167 or 387DX disabled

JP12

pins 5 & 6 closed

I/O ports enabled addresses set to primary

JP25

pins 1 & 2 closed

Factory configured - do not alter

SW1/switch 1

Off

Ethernet type select 10BaseT

SW1/switch 2

On

 

Ethernet type select 10Base2

SW1/switch 2

Off

Serial port COM1 I/O address select 3e8h

SW2A

pins 2 & 3 closed

 

Serial port COM1 I/O address select 3f8h

SW2B

pins 1 & 2 closed

Serial port COM2 I/O address select 2e8h

SW2C

pins 2 & 3 closed

 

Serial port COM2 I/O address select 2f8h

SW2D

pins 1 & 2 closed

Parallel port I/O address select 278h

SW2E

pins 2 & 3 closed

 

Parallel port I/O address select 378h

SW2F

pins 1 & 2 closed

Floppy drive controller select primary

SW2G

pins 2 & 3 closed

 

Floppy drive controller select secondary

SW2H

pins 1 & 2 closed

IDE interface select primary

SW2I

pins 2 & 3 closed

 

IDE interface select secondary

SW2J

pins 1 & 2 closed

CPU TYPE CONFIGURATION

CPU

Type

JP1

JP20 - JP22

JP13 - JP17

U49

80386DX

PGA

N/A

pins 2 & 3

pins 2 & 3

386 BIOS

80486SX

PQFP

pins 1 & 2

pins 1 & 2

pins 2 & 3

486 BIOS

80486DX

PQFP

pins 2 & 3

pins 1 & 2

pins 2 & 3

486 BIOS

ODP486SX

P23T (U5)

pins 2 & 3

pins 1 & 2

pins 1 & 2

486 BIOS

80486DX2

P23T (U5)

pins 2 & 3

pins 1 & 2

pins 1 & 2

486 BIOS

Note:Pins designated should be in the closed position.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE JUMPER CONFIGURATION

Size

JP18

JP19

64KB

pins 1 & 2, 4 & 5, 6 & 7 closed

pins 1 & 2 closed

128KB

pins 2 & 3, 5 & 6 closed

pins 2 & 3 closed

256KB

pins 2 & 3, 5 & 6 closed

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Location

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8