HwMuseum | Index

EVEREX SYSTEMS, INC.

TEMPO 386SX (EV-1863(B))

Processor

80386SX

Processor Speed

25MHz

Chip Set

Everex

Max. Onboard DRAM

8MB

Cache

None

BIOS

Everex

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BAT

Speaker

J20

Turbo switch

J18

Reset switch

J21

Turbo LED

J19

Power LED & keylock

J22

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

ROM wait states select 2

P5

Open

 

ROM wait states select 3

P5

Closed

»

DRAM read wait states select 0

P6

Closed

 

DRAM read wait state select 1

P6

Open

»

DRAM write wait states select 0

P7

Closed

 

DRAM write wait state select 1

P7

Open

»

Shadow RAM disabled

P8

Closed

 

Shadow RAM enabled

P8

Open

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

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER CONFIGURATION

Size

P2

P3

P4

512KB

Open

Closed

Closed

1MB

Closed

Open

Closed

2MB

Open

Open

Closed

2MB

Open

Closed

Open

4MB

Closed

Open

Open

8MB

Open

Open

Open