DIAMOND FLOWER, INC.

CONCORDE V

Processor

80286 (exact location unknown)

Processor Speed

8MHz

Chip Set

Unidentified

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Reset switch

J11

Speaker

J2

Reset switch

J12

Clock connector for digital LED

J3

External battery

J13

Turbo LED

J8

External keyboard connector

J14

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Memory type select DIP

J4

pins 2 & 3 closed

 

Memory type select SIMM

J4

pins 1 & 2 closed

»

Parity check enabled

J5

Closed

 

Parity check disabled

J5

Open

»

Battery type select external

J15

pins 1 & 2 closed

 

Battery type select internal

J15

pins 2 & 3 closed

»

Factory configured - do not alter

SW1/1

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

U53 - U56

U63 - U64

512KB

NONE

NONE

(18) 41256

NONE

NONE

NONE

512KB

(2) 256K x 9

NONE

NONE

NONE

NONE

NONE

640KB

NONE

NONE

(18) 41256

NONE

(4) 4464

(2) 41256

1MB

NONE

NONE

(18) 41256

(18) 41256

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

NONE

NONE

2MB

NONE

NONE

(18) 411000

NONE

NONE

NONE

2MB

(2) 1M x 9

NONE

NONE

NONE

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(18) 41256

(18) 41256

NONE

NONE

4MB

NONE

NONE

(18) 411000

(18) 411000

NONE

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

NONE

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(18) 411000

(18) 411000

NONE

NONE

DRAM SWITCH CONFIGURATION (512KB)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

0

Off

On

On

On

On

On

Off

MEMORY ALLOCATION CONFIGURATION (512KB)

Mode

Shadow RAM

Conventional

Extended

EMS

0

N/A

512KB

0KB

0KB

DRAM SWITCH CONFIGURATION (640KB)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

1

Off

Off

On

On

On

On

On

2

Off

Off

On

On

On

On

Off

3

Off

Off

On

On

On

Off

On

MEMORY ALLOCATION CONFIGURATION (640KB)

Mode

Shadow RAM

Conventional

Extended

EMS

1

N/A

256KB

0KB

0KB

2

N/A

512KB

0KB

0KB

3

N/A

640KB

0KB

0KB

DRAM SWITCH CONFIGURATION (1MB)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

4

Off

On

Off

On

On

On

On

5

Off

On

Off

On

On

On

Off

6

Off

On

Off

On

On

Off

On

7

Off

On

Off

On

On

Off

Off

8

Off

On

Off

On

Off

On

On

MEMORY ALLOCATION CONFIGURATION (1MB)

Mode

Shadow RAM

Conventional

Extended

EMS

4

Yes

256KB

0KB

672KB

4

No

256KB

0KB

768KB

5

Yes

512KB

0KB

416KB

5

No

512KB

0KB

512KB

6

Yes

640KB

0KB

288KB

6

No

640KB

0KB

384KB

7

Yes

640KB

256KB

0KB

8

No

640KB

384KB

0KB

DRAM SWITCH CONFIGURATION (2MB DIP)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

9

Off

Off

Off

On

On

On

On

10

Off

Off

Off

On

On

On

Off

11

Off

Off

Off

On

On

Off

On

12

Off

Off

Off

On

Off

On

Off

13

Off

Off

Off

On

Off

Off

On

14

Off

Off

Off

Off

On

Off

On

MEMORY ALLOCATION CONFIGURATION (2MB DIP)

Mode

Shadow RAM

Conventional

Extended

EMS

9

Yes

256KB

0KB

1.672MB

9

No

256KB

0KB

1.768MB

10

Yes

512KB

0KB

1.416MB

10

No

512KB

0KB

1.512MB

11

Yes

640KB

0KB

1.288MB

11

No

640KB

0KB

1.384MB

12

Yes

640KB

1.256MB

0KB

13

No

640KB

1.384MB

0KB

14

Yes

640KB

1MB

288KB

14

No

640KB

1MB

384MB

DRAM SWITCH CONFIGURATION (2MB SIMM)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

15

On

On

On

On

On

On

On

16

On

On

On

On

On

On

Off

17

On

On

On

On

On

Off

On

18

On

On

On

On

Off

On

Off

19

On

On

On

On

Off

Off

On

20

On

On

On

Off

On

Off

On

MEMORY ALLOCATION CONFIGURATION (2MB SIMM)

Mode

Shadow RAM

Conventional

Extended

EMS

15

Yes

256KB

0KB

1.672MB

15

No

256KB

0KB

1.768MB

16

Yes

512KB

0KB

1.416MB

16

No

512KB

0KB

1.512MB

17

Yes

640KB

0KB

1.288MB

17

No

640KB

0KB

1.384MB

18

Yes

640KB

1.256MB

0KB

19

No

640KB

1.384MB

0KB

20

Yes

640KB

1MB

288KB

20

No

640KB

1MB

384KB

DRAM SWITCH CONFIGURATION (4MB)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

21

On

On

Off

On

On

On

On

22

On

On

Off

On

On

On

Off

23

On

On

Off

On

On

Off

On

24

On

On

Off

Off

On

Off

On

25

On

On

Off

On

Off

Off

Off

MEMORY ALLOCATION CONFIGURATION (4MB)

Mode

Shadow RAM

Conventional

Extended

EMS

21

Yes

256KB

0KB

3.672MB

21

No

256KB

0KB

3.768MB

22

Yes

512KB

0KB

3.416MB

22

No

512KB

0KB

3.512MB

23

Yes

640KB

0KB

3.288MB

23

No

640KB

0KB

3.384MB

24

Yes

640KB

1MB

2.288MB

24

No

640KB

1MB

2.384MB

25

Yes

640KB

3MB

288KB

25

No

640KB

3MB

384KB

DRAM SWITCH CONFIGURATION (8MB)

Mode

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

26

On

Off

Off

On

On

On

On

27

On

Off

Off

On

On

On

Off

28

On

Off

Off

On

On

Off

On

29

On

Off

Off

Off

On

Off

On

30

On

Off

Off

On

Off

Off

Off

31

On

Off

Off

Off

On

On

On

32

On

Off

Off

Off

On

On

Off

MEMORY ALLOCATION CONFIGURATION (8MB)

Mode

Shadow RAM

Conventional

Extended

EMS

26

Yes

256KB

0KB

7.672MB

26

No

256KB

0KB

7.768MB

27

Yes

512KB

0KB

7.416MB

27

No

512KB

0KB

7.512MB

28

Yes

640KB

0KB

7.288MB

28

No

640KB

0KB

7.384MB

29

Yes

640KB

1MB

6.288MB

29

No

640KB

1MB

6.384MB

30

Yes

640KB

3MB

4.288MB

30

No

640KB

3MB

4.384MB

31

Yes

640KB

5MB

2.288MB

31

No

640KB

5MB

2.384MB

32

Yes

640KB

7MB

288KB

32

No

640KB

7MB

384KB

CPU SPEED CONFIGURATION

Speed

J9

J10

8MHz

Closed

Closed

16MHz

Open

Open