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DFI 386-33UC, DFI-386-25UC

DIAMOND FLOWER, INC.

DFI 386-33UC, DFI-386-25UC

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

UMC

Max. Onboard DRAM

12MB (4MB on external memory card)

Cache

32KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

External memory card

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

CPU clock indicator connector

J1

Power LED & keylock

J7

Auxiliary keyboard connector

J2

Reset switch

J13

Reset switch

J3

External battery

J17

Turbo LED

J4

Riser Card

SL1

Speaker

J6

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Battery type select internal

J14

pins 2 & 3 closed

 

Battery type select external

J14

pins 1 & 2 closed

Monitor type select monochrome

J18

Open

 

Monitor type select color

J18

Closed

Factory configured - do not alter

J20

pins 2 & 3 closed

Factory configured - do not alter (386-33UC only)

J21

pins 1 & 2 closed

Cache enabled

J22

pins 1 & 2 closed

 

Cache disabled

J22

pins 2 & 3 closed

Factory configured - do not alter

J25

Closed

Factory configured - do not alter

J26

Closed

NPU type select Weitek 3167 or none installed

J27

Closed

 

NPU type select 80387 or Weitek 3167 installed

J27

Open

Factory configured - do not alter

J28

pins 2 & 3 closed

DRAM type select 1M x 9

SW1/1

Off

 

DRAM type select 256K x 9

SW1/1

On

Factory configured - do not alter

SW1/4

On

Factory configured - do not alter

SW1/5

On

Factory configured - do not alter

SW1/6

On

Factory configured - do not alter

SW1/7

On

Factory configured - do not alter

SW1/8

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

Note: Bank 3 is located on the external memory card.

DRAM BANK CONFIGURATION

Bank

SW1/2

SW1/3

0, 1, 2

Off

Off

0, 1

Off

On

0

On

On

CACHE CONFIGURATION

Note: The location of the 32KB cache is unidentified.

CPU SPEED CONFIGURATION

Speed

J5

J15

High (cache installed)

pins 1 & 2 closed

pins 1 & 2 closed

Low (cache not installed)

pins 2 & 3 closed

pins 2 & 3 closed