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Processor

80386DX/80486SX/80487SX/ODP486DX/80486DX/80486DX2

Processor Speed

25/33/50(Internal)/66(Internal)MHz (depending on CPU card)

Chip Set

Texas Instruments

Max. Onboard DRAM

128MB

Cache

64/128/256KB (located on DBII-486C CPU module)

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

CPU card slot, 32-bit VESA slot

NPU Options

80387DX/3167/4167 (depending on CPU card)

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

PS/2 mouse connector

J11

Speaker

J2

Alternate reset switch

J12

Keyboard connector

J4

32-bit VESA slot

S1

Power LED & keylock

J6

CPU card slot

S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J3

pins 2 & 3 closed

Monitor type select color

J8

pins 1 & 2 closed

Monitor type select monochrome

J8

pins 2 & 3 closed

Factory configured - do not alter

J13

Open

Factory configured - do not alter

J18

pins 1 & 2 closed

Factory configured - do not alter

J20

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

256K x 36

NONE

NONE

NONE

2MB

256K x 36

256K x 36

NONE

NONE

2MB

512K x 36

NONE

NONE

NONE

3MB

256K x 36

256K x 36

256K x 36

NONE

4MB

256K x 36

256K x 36

256K x 36

256K x 36

4MB

512K x 36

512K x 36

NONE

NONE

4MB

1M x 36

NONE

NONE

NONE

6MB

512K x 36

512K x 36

512K x 36

NONE

8MB

512K x 36

512K x 36

512K x 36

512K x 36

8MB

1M x 36

1M x 36

NONE

NONE

8MB

2M x 36

NONE

NONE

NONE

9MB

2M x 36

256K x 36

NONE

NONE

10MB

2M x 36

256K x 36

256K x 36

NONE

10MB

2M x 36

512K x 36

NONE

NONE

11MB

2M x 36

256K x 36

256K x 36

256K x 36

12MB

2M x 36

512K x 36

512K x 36

NONE

12MB

2M x 36

1M x 36

NONE

NONE

12MB

1M x 36

1M x 36

1M x 36

NONE

14MB

2M x 36

512K x 36

512K x 36

512K x 36

16MB

2M x 36

1M x 36

1M x 36

NONE

16MB

2M x 36

2M x 36

NONE

NONE

16MB

1M x 36

1M x 36

1M x 36

1M x 36

16MB

4M x 36

NONE

NONE

NONE

20MB

2M x 36

2M x 36

1M x 36

NONE

20MB

4M x 36

1M x 36

NONE

NONE

24MB

2M x 36

2M x 36

1M x 36

1M x 36

24MB

4M x 36

1M x 36

1M x 36

NONE

24MB

4M x 36

2M x 36

NONE

NONE

24MB

2M x 36

2M x 36

2M x 36

NONE

28MB

4M x 36

1M x 36

1M x 36

1M x 36

32MB

2M x 36

2M x 36

2M x 36

2M x 36

32MB

4M x 36

4M x 36

NONE

NONE

32MB

8M x 36

NONE

NONE

NONE

32MB

4M x 36

2M x 36

2M x 36

NONE

DRAM CONFIGURATION (CONTINUED)

Size

Bank 0

Bank 1

Bank 2

Bank 3

36MB

4M x 36

4M x 36

1M x 36

NONE

36MB

8M x 36

1M x 36

NONE

NONE

40MB

4M x 36

2M x 36

2M x 36

2M x 36

40MB

4M x 36

4M x 36

1M x 36

1M x 36

40MB

4M x 36

4M x 36

2M x 36

NONE

40MB

8M x 36

1M x 36

1M x 36

NONE

40MB

8M x 36

2M x 36

NONE

NONE

44MB

8M x 36

1M x 36

1M x 36

1M x 36

48MB

4M x 36

4M x 36

2M x 36

2M x 36

48MB

8M x 36

2M x 36

2M x 36

NONE

48MB

4M x 36

4M x 36

4M x 36

NONE

48MB

8M x 36

4M x 36

NONE

NONE

56MB

8M x 36

2M x 36

2M x 36

2M x 36

64MB

4M x 36

4M x 36

4M x 36

4M x 36

64MB

8M x 36

8M x 36

NONE

NONE

64MB

8M x 36

4M x 36

4M x 36

NONE

64MB

16M x 36

NONE

NONE

NONE

68MB

8M x 36

8M x 36

1M x 36

NONE

72MB

8M x 36

8M x 36

1M x 36

1M x 36

72MB

8M x 36

8M x 36

2M x 36

NONE

80MB

8M x 36

4M x 36

4M x 36

4M x 36

80MB

8M x 36

8M x 36

2M x 36

2M x 36

80MB

16M x 36

4M x 36

NONE

NONE

96MB

8M x 36

8M x 36

8M x 36

NONE

96MB

16M x 36

4M x 36

4M x 36

NONE

96MB

16M x 36

8M x 36

NONE

NONE

100MB

8M x 36

8M x 36

8M x 36

1M x 36

104MB

8M x 36

8M x 36

8M x 36

2M x 36

112MB

8M x 36

8M x 36

8M x 36

4M x 36

112MB

16M x 36

4M x 36

4M x 36

4M x 36

128MB

8M x 36

8M x 36

8M x 36

8M x 36

128MB

16M x 36

8M x 36

8M x 36

NONE

128MB

16M x 36

16M x 36

NONE

NONE

128MB

32M x 36

NONE

NONE

NONE

CPU TYPE CONFIGURATION

Type

J7

J14

J15

J16

J17

J19

80386

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

80486

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP1

Closed

Factory configured - do not alter

JP2

pins 2 & 3 closed

Factory configured - do not alter

JP3

pins 2 & 3 closed

Factory configured - do not alter

JP8

pins 1 & 2 closed

Factory configured - do not alter

JP13

pins 2 & 3 closed

Factory configured - do not alter

JP14

pins 2 & 3 closed

Factory configured - do not alter

JP15

pins 2 & 3 closed

Factory configured - do not alter

JP16

pins 2 & 3 closed

Factory configured - do not alter

JP17

pins 2 & 3 closed

Factory configured - do not alter

JP18

pins 2 & 3 closed

80387 CONFIGURATION

80387

JP4

JP5

JP6

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

Note:There are no jumpers to enable the 3167. It is automatically detected and enabled.

CPU SPEED CONFIGURATION

Speed

JP10

JP11

JP12

33MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

25MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP1

pins 2 & 3 closed

Factory configured - do not alter

JP5

pins 2 & 3 closed

Factory configured - do not alter

JP6

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP2

JP3

JP4

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP7

JP8

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 1 & 2 closed

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP9

pins 2 & 3 closed

Factory configured - do not alter

JP10

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP1

JP2

JP3

80486SX

Open

Open

pins 1 & 2 closed

ODP486SX

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX/DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP4

JP5

JP6

JP7

JP8

64KB

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

128KB

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

N/A

256KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3