EVEREX SYSTEMS, INC.

TEMPO 386SX/20C EV-8048

Processor

80386SX

Processor Speed

20MHz

Chip Set

Suntac

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial port (2), VGA feature connector, VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

Serial port (COM2)

CN6

Floppy drive interface

CN2

Parallel port

CN7

VGA feature connector

CN3

IDE interface LED

JP3

VGA port

CN4

Front panel switch & lighting interface

JP6

Serial port (COM1)

CN5

Riser card

R1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Onboard VGA port enabled

JP5

Closed

 

Onboard VGA port disabled

JP5

Open

Note:The onboard VGA port must be disabled in order to use an external monochrome video card.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

SERIAL PORT 1 CONFIGURATION

COM1

JP1

»

DCE

pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, and 11 & 12 closed

 

DTE

pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 & 8, and 6 & 7 closed

SERIAL PORT 2 CONFIGURATION

COM2

JP2

»

DCE

pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, and 11 & 12 closed

 

DTE

pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 & 8, and 6 & 7 closed