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G486SLC

JOINDATA SYSTEMS, INC.

G486SLC

Processor

80486SX/80486DX

Processor Speed

25/33MHz

Chip Set

Symphony

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256/1024KB

BIOS

AMI/MR

Dimensions

330mm x 260mm

I/O Options

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J9

Power LED & keylock

J13

Turbo LED

J10

External battery

J14

Turbo switch

J11

32-bit external memory card

S1

Speaker

J12

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter.

JP6

Pins 1 & 2 Closed

Factory configured - do not alter.

JP11

Closed

Monitor type select color

JP12

closed

 

Monitor type select monochrome

JP12

open

Note: JP6 and JP11 are set for the G486SLC-50MHz, other settings are unidentified.

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

1024KB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP9

JP10

JP18

JP19

JP20

64KB

Open

Closed

Closed

Open

Open

Closed

128KB

Closed

Open

Open

Open

Closed

Open

256KB

Open

Closed

Closed

Closed

Open

Open

1024KB

Open

Closed

Closed

Closed

Open

Open

CACHE JUMPER CONFIGURATION

Size

JP21

JP22

JP23

JP24

JP26

JP27

64KB

Closed

Open

Closed

Open

2 & 3

2 & 3

128KB

Open

Closed

Open

Open

2 & 3

2 & 3

256KB

Closed

Open

Open

Closed

2 & 3

2 & 3

1024KB

Closed

Open

Open

Closed

1 & 2

1 & 2

Note:JP26 & JP27 may not be present on all boards. Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP3

JP4

JP8

80486DX

Closed

pins 1 & 2 closed

Closed

80486SX

Open

pins 2 & 3 closed

Open

BATTERY CONFIGURATION

Type

J14

JP2

146818

pins 1 & 2 closed

Open

DS1287

Open

Closed