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TEMPO 486/25 SX EV-18186

EVEREX SYSTEMS, INC.

TEMPO 486/25 SX EV-18186

Processor

CX486SLC

Processor Speed

25MHz

Chip Set

C & T

Max. onboard DRAM

24MB

SRAM Cache

16/64KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Speaker connector

CN5

Serial port (COM1)

CN2

LED connector

CN6

Serial port (COM2)

CN3

IDE interface

CN7

IDE interface LED

CN4

Floppy drive interface

CN8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

I/O output select unidirectional (printer)

W5

Closed

 

I/O output select bidirectional

W5

Open

IDE interface enabled

W6

Closed

 

IDE interface disabled

W6

Open

Normal setup

W7

Closed

 

Bypass setup

W7

Open

Monitor select color

W8

Open

 

Monitor select monochrome

W8

Closed

I/O bus speed select ATCLK/4

W9

pins 1 & 2 closed

 

I/O bus speed select ATCLK/2

W9

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

512KB

(2) 256K x 9

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 1M x 9

NONE

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

24MB

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9

CACHE CONFIGURATION

Size

CACHE

16KB

(4) 8K x 8

64KB

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W1

W2

W3

W4

16KB

Open

Open

pins 2 & 3 closed

pins 2 & 3 closed

64KB

Closed

Closed

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

LPT

IRQ

SW1/5 & 6

SW1/7 & 8

SW2/9 & 10

SW2/11 & 12

1

7

Open

Closed

Closed

Open

2

5

Closed

Open

Open

Closed

Disabled

N/A

Open

Open

Open

Open

SERIAL PORT CONFIGURATION

Port 1

Port 2

SW1/pins 1 & 2

SW1/pins 3 & 4

COM1

COM2

Closed

Closed

COM1

Disabled

Open

Closed

Disabled

COM2

Closed

Open

Disabled

Disabled

Open

Open