...because we can't all be on the bleeding edge...





DFI-386SX

DIAMOND FLOWER, INC.

DFI-386SX

Processor

80386SX

Processor Speed

16MHz

Chip Set

Intel

Max. Onboard DRAM

8MB

Cache

None

BIOS

DFI

Dimensions

330mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

J12

Turbo switch

J2/J11

Power LED & keylock

J13

Reset switch

J3/J9

Auxiliary keyboard

J14

Speaker

J10

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery select internal

J4

pins 2 & 3 closed

 

Battery select external

J4

pins 1 & 2 closed

Monitor type select monochrome

J5

pins 2 & 3 closed

 

Monitor type select color

J5

pins 1 & 2 closed

BIOS type select 27256

J6

pins 2 & 3 closed

 

BIOS type select 27512

J6

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18 41256

NONE

NONE

NONE

512KB

NONE

NONE

(2) 256K x 9

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

2MB

(18) 411000

NONE

NONE

NONE

2MB

NONE

NONE

(2) 1M x 9

NONE

4MB

(18) 411000

(18) 411000

NONE

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

8MB

(18) 411000

(18) 411000

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER CONFIGURATION

Size

J15

J16

J17

J18

J19

J20

512KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

512KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

4MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

4MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

8MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

DRAM MODE CONFIGURATION

Mode

Maximum active pages

DRAM type

J7

J8

Fast page 1 (FP1)

4

100ns

Open

Open

Fast page 2 (FP2)

1

100ns

Open

Closed

Slow page 1 (SP1)

4

100ns

Closed

Open

Slow page 2 (SP2)

4

120ns

Closed

Closed

Note:In order to use fast page modes, the DRAM chips must meet the following specifications:

tCAS (access time)=35ns , tCAC (pulse width)=35ns , tCP (precharge time)=20ns.