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DFI-386/20

DIAMOND FLOWER, INC.

DFI-386/20

Processor

80386DX

Processor Speed

20MHz

Chip Set

C & T

Max. Onboard DRAM

16MB (with external memory card)

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80287/80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Optional keyboard connector

J2

CPU clock LED

J8

Reset switch

J3

Reset switch

J11

Turbo LED

J4

Turbo switch

J14

Turbo switch

J5

External battery

J15

Speaker

J6

32-bit external memory card

SL1

Power LED & keylock

J7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J9

pins 1 & 2 closed

NPU disabled

J10

Open

 

NPU enabled 80287

J10

pins 2 & 3 closed

 

NPU enabled 80387/3167

J10

pins 1 & 2 closed

Monitor type select monochrome

J12

Open

 

Monitor type select color

J12

Closed

Battery type select disabled

J13

Open

 

Battery type select internal

J13

pins 1 & 2 closed

 

Battery type select external

J13

pins 2 & 3 closed

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

4MB

(4) 256K x 9

(4) 256K x 9

(36) 41256

(36) 41256

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(36) 41256

(36) 41256

16MB

(4) 1M x 9

(4) 1M x 9

(36) 411000

(36) 411000

Note: These settings are for J1 open.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(36) 41256

NONE

NONE

NONE

2MB

(36) 41256

(36) 41256

NONE

NONE

4MB

(36) 411000

NONE

NONE

NONE

4MB

(36) 41256

(36) 41256

(4) 256K x 9

(4) 256K x 9

8MB

(36) 411000

(36) 411000

NONE

NONE

10MB

(36) 411000

(36) 411000

(4) 256K x 9

(4) 256K x 9

16MB

(36) 411000

(36) 411000

(4) 1M x 9

(4) 1M x 9

Note: These settings are for J1 closed.

DRAM JUMPER CONFIGURATION

Setting

J1

Banks 0 & 1 on memory board and Banks 2 & 3 on mainboard

Closed

Banks 0 & 1 on mainboard and Banks 2 & 3 on memory board

Open