DIAMOND FLOWER, INC.

386-25UN/C

Processor

80386DX

Processor Speed

25MHz

Chip Set

Unidentified

Max. Onboard DRAM

12MB

Cache

64KB (on external cache card)

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit external cache card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External keyboard

J1

Turbo switch

J6 or J13

CPU clock

J2

Speaker

J7

Power LED & keylock

J3

External battery

J14

Reset switch

J4 or J11

32-bit external cache card

S1

Turbo LED

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

NPU type select 3167 or none

J9

Closed

 

NPU type select 80387

J9

Open

»

Monitor type select monochrome

J10

Open

 

Monitor type select color

J10

Closed

»

Battery type select internal

J12

pins 2 & 3 closed

 

Battery type select external

J12

pins 1 & 2 closed

»

Factory configured - do not alter (revision 0 boards only)

JP22

pins 1 & 2 closed

»

Factory configured - do not alter (revision 0 boards only)

JP23

Closed

»

DRAM type select 1M x 9

SW1/1

Off

 

DRAM type select 256K x 9

SW1/1

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

DRAM BANK CONFIGURATION

Bank

sw1/2

sw1/3

0, 1, & 2

Off

Off

0 & 1

Off

On

0

On

On

DRAM SPEED CONFIGURATION

Speed

sw1/4

sw1/5

80ns

Off

Off

100ns

On

On

CACHE/PAGE MODE CONFIGURATION

Mode

JP1 - JP20

JP21

Page

Closed

pins 1 & 2 closed

Cache

Open

pins 2 & 3 closed

CACHE CONFIGURATION

Setting

JP7

Enabled

Closed

Disabled

Open

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

JP5

JP6

32KB

1 & 2

Open

Open

Open

Closed

1 & 2

64KB

2 & 3

Closed

Closed

Closed

Open

2 & 3

Note:Pins designated should be in the closed position.