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386SX-25/33DNB/DCB AIO

DIAMOND FLOWER, INC.

386SX-25/33DNB/DCB AIO

Processor

80386SX

Processor Speed

25/33MHz

Chip Set

Diamond Flower/Acer

Max. Onboard DRAM

16MB

SRAM Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port,

riser card slot, serial ports (2) VGA feature connector, VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

Keyboard connector

JP3

Floppy drive interface

CN2

Turbo LED

JP4

VGA Feature connector

CN3

Turbo switch

JP5

Serial port (COM2)

CN7

Reset switch

JP6

VGA port

CN8

IDE interface LED

JP7

Parallel port

CN9

Power LED & keylock

JP8

PS/2 mouse port

CN10

External battery

JP17

Serial port (COM1)

CN11

Riser Card

S1

Speaker

JP2

 

 

Note: JP5 is located on the 386SX-25DNB/DCB AIO system board only. JP38 is located on the 386SX-33DNB/DCB AIO system board only.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Speaker select internal

JP1

pins 1 & 2 closed

 

Speaker select external

JP1

pins 2 & 3 closed

Monitor type select color

JP13

closed

 

Monitor type select monochrome

JP13

open

Factory configured - do not alter

JP14

pins 1 & 2 closed

Factory configured - do not alter

JP15

pins 2 & 3 closed

Battery select external

JP16

pins 2 & 3 closed

 

Battery select internal

JP16

pins 1 & 2 closed

Parallel port select IRQ7

JP24

pins 1 & 2 closed

 

Parallel port select IRQ5

JP24

pins 2 & 3 closed

Factory configured - do not alter

JP30

pins 1 & 2 closed

Floppy disk drive enabled

JP31

closed

 

Floppy disk drive disabled

JP31

open

IDE interface enabled

JP32

pins 1 & 2 closed

 

IDE interface disabled

JP32

pins 2 & 3 closed

Factory configured - do not alter

JP37

Open

Factory configured - do not alter

JP38

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 1M x 9

NONE

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2.5MB

(2) 1M x 9

(2) 256K x 9

NONE

NONE

3MB

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

4.5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

NONE

5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

NONE

NONE

10MB

(2) 4M x 9

(2) 1M x 9

NONE

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

SERIAL PORT CONFIGURATION

COM1 (CN11)

COM2 (CN7)

JP27

JP28

JP29

COM1

COM2

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

COM1

Disabled

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM2

COM1

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

COM2

Disabled

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

 

Disabled

COM1

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

COM2

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Disabled

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

COM1

JP33

JP34

JP35

Normal

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Forced True

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

COM2

JP21

JP22

JP23

Normal

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Forced True

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT'S DTE/DCE CONFIGURATION

Primary serial port CN5

Secondary serial port CN4

PARALLEL PORT CONFIGURATION

LPT

JP25

JP26

1

Pins 2 & 3 closed

Pins 1 & 2 closed

 

2

Pins 1 & 2 closed

Pins 1 & 2 closed

 

3

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

LOCAL BUS VGA CONFIGURATION

Mode

JP18

JP19

JP20

JP36

Enabled

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed