UNIDENTIFIED

ENDAT-386SB

Processor

80386SX (exact location unidentified)

Processor Speed

16MHz

Chip Set

Unidentified

Max. Onboard DRAM

8MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 210mm

I/O Options

None

NPU Options

80387SX (exact location unidentified)

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Speaker

J19

Turbo LED

J17

Power LED & keylock

J20

Turbo switch

J18

Reset switch

JP1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Turbo enabled (16MHz)

J18

Closed

 

Turbo disabled (8MHz)

J18

Open

 

Monitor type select monochrome

JP2

Open

 

Monitor type select color

JP2

Closed

DRAM CONFIGURATION

Size

Bank 0A

Bank 0

Bank 1A

512KB

(4) 44256 & (2) 41256

NONE

NONE

1MB

(4) 44256 & (2) 41256

NONE

(4) 44256 & (2) 41256

1.5MB

(4) 44256 & (2) 41256

(2) 256K x 9

(4) 44256 & (2) 41256

2MB

(4) 44256 & (2) 41256

(2) 256K x 9

(4) 44256 & (2) 41256

2MB

NONE

(2) 1M x 9

NONE

4MB

NONE

(2) 1M x 9

NONE

6MB

NONE

(2) 1M x 9

NONE

8MB

NONE

(2) 1M x 9

NONE

Note: (2) 41256 are parity chips.

DRAM CONFIGURATION (CON’T)

Size

Bank 1

Bank 2

Bank 3

512KB

NONE

NONE

NONE

1MB

NONE

NONE

NONE

1.5MB

NONE

NONE

NONE

2MB

(2) 256K x 9

NONE

NONE

2MB

NONE

NONE

NONE

4MB

(2) 1M x 9

NONE

NONE

6MB

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

WAIT STATE CONFIGURATION

Page hit

Page miss

JP5

JP6

Bank hit

Bank miss

Bank hit

Bank miss

   

0

0

2

2

1 & 2

1 & 2

0

N/A

2

1

1 & 2

2 & 3

1

0

2

2

2 & 3

1 & 2

2

0

3

3

2 & 3

2 & 3

MISCELLANEOUS TECHNICAL NOTE

Note: The location of pin 1 is unidentified.