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





DIGIS-486NL

AMERICAN DIGICOM CORPORATION

DIGIS-486NL

Processor

80486SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/50/66(internal)

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J6

Turbo switch

JJ23

Power LED & keylock

J20

Speaker

J24

Reset switch

J22

32-bit VESA Local bus slot

S1

Turbo LED

J23

32-bit VESA Local bus slot

S2

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CMOS memory normal operation

J1

pins 2 & 3 closed

 

CMOS memory clear

J1

pins 1 & 2 closed

Monitor type select color

J3

Closed

 

Monitor type select monochrome

J3

Open

 

CPU type select PGA

J29

Closed

 

CPU type select PQFP

J29

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU TYPE CONFIGURATION

Type

J11

J12

J13

80486SX

pins 1 & 2 closed

Open

pins 2 & 3 closed

80486DX

pins 2 & 3 closed

Closed

pins 1 & 2 closed

80486DX2

pins 2 & 3 closed

Closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

Wait states

J15

J16

J17

J25

J28

25MHz

0

Closed

Open

pins 1 & 2

Open

Open

33MHz

0

Open

Closed

pins 1 & 2

Open

Open

50i Mhz

0

Closed

Open

pins 1 & 2

Open

Open

50MHz

1

Closed

Open

pins 2 & 3

Closed

Closed

66i MHz

0

Open

Closed

pins 1 & 2

Open

Open

CACHE CONFIGURATION

Size

Max Cachable

Bank 0

Bank 1

TAG (U25)

TAG (U26)

64KB

8MB

(4) 8K x 8

(4) 8K x 8

NONE

(1) 8K x 8

128KB

16MB

(4) 32K x 8

NONE

NONE

(1) 8K x 8

256KB

32MB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

J8

J9

J10

J14

64KB

pins 2 & 3 closed

Open

pins 1 & 2 closed

Open

128KB

pins 1 & 2 closed

Closed

pins 2 & 3 closed

Closed

256KB

pins 2 & 3 closed

Closed

pins 1 & 2 closed

Closed