HwMuseum | Index

JOINDATA SYSTEMS, INC.

G386B Version 2

Processor

80386DX

Processor Speed

20/25MHz

Chip Set

UMC

Max. onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80287/80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

JP2

Speaker

JP6

Turbo LED

JP1

Power LED & keylock

JP7

Turbo switch

JP3

32-bit external memory card

S1

Unknown

JP4

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Monitor type select color

W11

Closed

 

Monitor type select monochrome

W11

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(36) 41256

(36) 41256

NONE

NONE

8MB

(36) 411000

(36) 411000

NONE

NONE

16MB

(36) 411000

(36) 411000

(36) 411000

(36) 411000

Note:Banks 2 and 3 are located on the external memory card.

NPU CONFIGURATION

NPU

JP9

JP10

80287

pins 2 & 3 closed

Open

80387

pins 1 & 2 closed

Closed

Not installed

Open

Open

DRAM JUMPER CONFIGURATION

System Memory

J1A

J1B

J2A

J2B

0KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

2MB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

8MB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed