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





DIGIS-286C

AMERICAN DIGICOM CORPORATION

DIGIS-286C

Processor

80286 (exact location unknown)

Processor Speed

12MHz

Chip Set

Suntac

Max. Onboard DRAM

4MB

Cache

None

BIOS

Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J19

Turbo LED

JP4

Power LED & keylock

J20

Turbo switch

JP5

External battery

J21

Reset switch

JP6

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CPU clock speed select high

DSP1/1

On

 

CPU clock speed select low

DSP1/1

Off

Factory configured - do not alter

DSP1/2

On

I/O wait state select 4 wait states

DSP1/3

On

 

I/O wait state select 6 wait states

DSP1/3

Off

EMS port address select 0EBH

DSP1/4

On

 

EMS port address select 098H

DSP1/4

Off

RAM size select 256KB

J18

pins 1 & 2 closed

 

RAM size select 512KB

J18

pins 2 & 3 closed

CPU clock speed select high

JP1

Open

 

CPU clock speed select low

JP1

pins 2 & 3 closed

I/O wait control select keyboard

JP3

pins 1 & 2 closed

 

I/O wait control select DSP1/3

JP3

pins 2 & 3 closed

Turbo enabled

JP4

Closed

 

Turbo disabled

JP4

Open

BIOS type select Phoenix

JP7

pins 1 & 2 closed

 

BIOS type select Award

JP7

pins 2 & 3 closed

DRAM mode select expanded

JP8

Open

 

DRAM mode select extended

JP8

Closed

DRAM wait state select 1 wait state

JP19

Open

 

DRAM wait state select 0 wait states

JP19

Closed

Note: The location of DSP1 is unknown.

DRAM CONFIGURATION

Mode

Size

Base

Extended

Expanded

Bank 0

Bank 1

0

512KB

512KB

0KB

0KB

(18) 41256

NONE

1

640KB

640KB

0KB

0KB

(18) 41256

(18) 4164

2

1MB

640KB

384KB

0KB

(18) 41256

(18) 41256

3

1MB

640KB

0KB

384KB

(18) 41256

(18) 41256

4

2MB

640KB

1408KB

0KB

(18) 411000

NONE

5

2MB

640KB

0KB

1408KB

(18) 411000

NONE

6

4MB

640KB

3456KB

0KB

(18) 411000

(18) 411000

7

4MB

640KB

0KB

3456KB

(18) 411000

(18) 411000

DRAM SWITCH CONFIGURATION

Mode

DSP1/6

DSP1/7

DSP1/8

0

On

On

On

1

On

On

Off

2

On

Off

On

3

On

Off

Off

4

Off

On

On

5

Off

On

Off

6

Off

Off

On

7

Off

Off

Off

Note: The location of DSP1 is unknown.

BIOS CONFIGURATION

Size

DSP1/5

JP9

27128

On

pins 1 & 2 closed

27256

Off

pins 2 & 3 closed