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ELEGANCE SP

NORTHGATE COMPUTER SYSTEMS, INC.

ELEGANCE SP

Processor

80386DX/80486DX

Processor Speed

25/33MHz

Chip Set

VLSI

Max. Onboard DRAM

64MB

Cache

64/256KB

BIOS

AMI

Dimensions

350mm x 304mm

I/O Options

Proprietary CPU module slot, parallel port, serial ports (2), floppy drive interface, IDE interface

NPU Options

80387/3167/4167

CONNECTIONS

Purpose

Location

Purpose

Location

Proprietary CPU module

CPU1

Serial port 1

J9

External battery

J2

Serial port 2

J10

Turbo LED

J4

Parallel port

J15

Power LED & keylock

J5

Floppy drive interface

J16

Reset switch

J6

IDE interface

J17

IDE interface LED

J8

Speaker

J19

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Bus speed select

W1

N/A

Floppy drive write precomp select alternate

W2

pins 2 & 3 closed

 

Floppy drive write precomp select normal

W2

pins 1 & 2 closed

CPU speed select

W3

N/A

Monitor type select monochrome

W4

pins 1 & 2 closed

 

Monitor type select color

W4

pins 2 & 3 closed

CMOS memory normal operation

W7

Open

 

CMOS memory clear

W7

Closed

Parallel port mode select bi-directional

W13

pins 2 & 3 closed

 

Parallel port mode select input only

W13

pins 1 & 2 closed

Floppy drive mode select single speed

W18

pins 1 & 2 closed

 

Floppy drive mode select dual speed

W18

pins 2 & 3 closed

BIOS type select

W19

N/A

Factory configured - do not alter

SW1 pins 1 & 2

N/A

VGA BIOS shadowing enabled

SW1 pins 7 & 8

Closed

 

VGA BIOS shadowing disabled

SW1 pins 7 & 8

Open

Factory configured - do not alter

SW1 pins 9 & 10

Open

BIOS shadowing enabled

SW1 pins 11 & 12

Closed

 

BIOS shadowing disabled

SW1 pins 11 & 12

Open

Floppy drive interface enabled

SW3 pins 1 & 2

Open

 

Floppy drive interface disabled

SW3 pins 1 & 2

Closed

Note:Jumpers W1, W3 and W19 are factory configured and should not be altered.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

DRAM JUMPER CONFIGURATION

Size

SW1

W5

W6

W28

W29

1MB

13 & 14, 15 & 16, 17 & 18, 19 & 20

2 & 3

2 & 3

Open

Open

2MB

13 & 14, 17 & 18, 19 & 20

2 & 3

2 & 3

Open

Open

4MB

13 & 14, 15 & 16, 17 & 18

1 & 2

2 & 3

Open

Open

6MB

15 & 16, 17 & 18, 19 & 20

2 & 3

2 & 3

1 & 2

2 & 3

8MB

13 & 14, 17 & 18

1 & 2

2 & 3

Open

Open

10MB

17 & 18, 19 & 20

2 & 3

2 & 3

1 & 2

2 & 3

12MB

15 & 16, 17 & 18

1 & 2

2 & 3

1 & 2

2 & 3

16MB

17 & 18

1 & 2

2 & 3

1 & 2

2 & 3

16MB

13 & 14, 15 & 16

1 & 2

1 & 2

Open

Open

24MB

15 & 16, 19 & 20

1 & 2

2 & 3

1 & 2

1 & 2

32MB

13 & 14

1 & 2

1 & 2

Open

Open

40MB

19 & 20

1 & 2

2 & 3

1 & 2

1 & 2

48MB

15 & 16

1 & 2

1 & 2

1 & 2

1 & 2

64MB

Open

1 & 2

1 & 2

1 & 2

1 & 2

Note:Pins designated should be in the closed position.

IDE CONFIGURATION

Setting

SW21

W20

Enabled

Open

Closed

Disabled

Closed

Open

PARALLEL PORT CONFIGURATION

IRQ

SW3

LPT1/3BCh

pins 9 & 10 closed

LPT1/378h

Open

LPT2/278h

pins 7 & 8 closed

Disabled

pins 7 & 8, 9 & 10 closed

PARALLEL PORT IRQ CONFIGURATION

IRQ

SW2

IRQ7

pins 7 & 8 closed

IRQ5

pins 5 & 6 closed

SERIAL PORT 1 CONFIGURATION

Setting

SW2

SW3

Enabled

pins 1 & 2 closed

Open

Disabled

Open

pins 5 & 6 closed

SERIAL PORT 2 CONFIGURATION

Setting

SW2

SW3

Enabled

pins 3 & 4 closed

Open

Disabled

Open

pins 3 & 4 closed

BIOS CONFIGURATION

Size

SW1

F000-FFFF(VGA BIOS disabled)

3 & 4, 5 & 6

F000-FFFF, E000-EFFF (VGA BIOS disabled, BIOS shadowing enabled)

3 & 4

F000-FFFF VGA BIOS at C000-C7FF

5 & 6

F000-FFFF VGA BIOS at C000-C7FF, IDE interface at C800-CFFF

5 & 6

Note : Pins designated should be in the closed position.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

W2

N/A

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W1

64KB

Open

256KB

pins 1 & 2, 3 & 4 closed

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

W6

N/A

Factory configured - do not alter

W7

N/A

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W1

W2

W5

64KB

pins 1 & 2 closed

pins 1 & 2 closed

Open

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 3 & 4, 5 & 6 closed

BURST MODE CONFIGURATION

Setting

W3

W4

W5

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

Open