HwMuseum | Index

BEAVER COMPUTER CORPORATION

386SX

Processor

80386SX

Processor Speed

16MHz

Chip Set

TI

Max. Onboard DRAM

2MB

Cache

None

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

External memory card slot

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J5

External battery

J2

Turbo switch

J6

Speaker

J3

Onboard power LED

L1

Reset switch

J4

External memory card slot

S1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

BIOS type select 27256

J7

pins 2 & 3 closed

 

BIOS type select 27512

J7

pins 1 & 2 closed

 

Monitor type select color

SW1/3

On

 

Monitor type select monochrome

SW1/3

Off

»

Factory configured - do not alter

SW1/4

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(4)44256

NONE

NONE

NONE

1MB

(4)44256

(4)44256

NONE

NONE

1.5MB

(4)44256

(4)44256

(4)44256

NONE

2MB

(4)44256

(4)44256

(4)44256

(4)44256

DRAM PARITY CONFIGURATION

Size

P-0

P-1

P-2

P-3

512KB

(2)41256

NONE

NONE

NONE

1MB

(2)41256

(2)41256

NONE

NONE

1.5MB

(2)41256

(2)41256

(2)41256

NONE

2MB

(2)41256

(2)41256

(2)41256

(2)41256

DRAM SWITCH CONFIGURATION

Memory Mode

SW1/1

SW1/2

100ns Fast Page Mode DRAM, 0 wait states, max. 4 pages active

Off

Off

100ns Fast Page Mode DRAM, 0 wait states, max. 1 page active

Off

On

All 100ns DRAM, 1 wait state, max. 4 pages active

On

Off

120ns DRAM, 2 wait states, max. 4 pages active

On

On