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G386U

JOINDATA SYSTEMS, INC.

G386U

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

UMC

Max. onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J9

Speaker

J12

Turbo LED

J10

Power LED & keylock

J13

Turbo switch

J11

External battery

J14

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

J1

Unknown

Factory configured - do not alter

J2

Unknown

NPU enabled

W1 & W10

Closed

 

NPU disabled

W1 & W10

Open

Monitor type select color

W11

Closed

 

Monitor type select monochrome

W11

Open

CMOS memory normal operation (Internal Battery)

W9

Closed

 

CMOS memory normal operation (External Battery)

W9

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

U21, U22, U23, & U24

U15, U16, U17, & U18

TAG

32KB

(4) 8K x 8

NONE

(2) 16K x 4

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

(4) 32K x 8

NONE

(2) 64K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(2) 64K x 4

Note:U21 - U24 and U15 - U18 may be located on the system board.

CACHE JUMPER CONFIGURATION

Size

W3

W4

W5

W6

W7

32KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

Open

64KB

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

Open

128KB

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

256KB

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

Note:Pins designated should be in the closed position.

NPU CLOCK CONFIGURATION

Mode

OSC2

W8

W9

Synchronous

Not installed

pins 1 & 2 closed

Open

Asynchronous 25MHz

50MHz

pins 2 & 3 closed

Closed

Asynchronous 33HMz

66MHz

pins 2 & 3 closed

Closed