EDOM INTERNATIONAL CORPORATION

3486VL2M (MV008)

Processor

AMD386DX/AMD386DXL/80386DX/80486SX/80487SX/80486DX/80486DX2/ Pentium Overdrive

Processor Speed

25/33/40(internal)/50(internal)/50/66(internal)/80(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

80387DX/CX487DLC

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

JP23

Power LED & keylock

J19

32-bit VESA Local bus slots

SL1 & SL2

Speaker

J20

Reset switch

SW1

Turbo switch

JP22

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

»

I/O bus speed select ATCLK2I/5 (80386 only)

JP3

Open

 

I/O bus speed select ATCLK2I/4 (80386 only)

JP3

Closed

»

Monitor type select monochrome

JP4

Open

 

Monitor type select color

JP4

Closed

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) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U39)

TAG (U40)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NONE

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

Note: The relative position of U39 & U40 is unidentified.

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

64KB

Open

Open

Open

pins 2 & 3 closed

128KB

Open

Closed

Closed

pins 1 & 2 closed

256KB

Closed

Closed

Closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP11

JP13

JP15

80486SX

Open

Open

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

Closed

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

Closed

pins 1 & 2 closed

CPU TYPECONFIGURATION

Type

JP5

JP6

80386

pins 2 & 3 closed

Open

80486

pins 1 & 2 closed

Closed

CPU TYPE CONFIGURATION (80386)

Type

JP17

JP21

Cyrix

Closed

Closed

Intel/AMD

Open

Open

CPU SPEED CONFIGURATION

Speed

JP18

JP19

25MHz

Closed

Open

33MHz

Open

Closed

40MHz

Open

Open

50iMHz

Closed

Open

66iMHz

Open

Closed

80iMHz

Open

Open

CPU CLOCK CONFIGURATION

Type

JP24

JP25

80386 double frequency

pins 1 & 2 closed

pins 2 & 3 closed

80486 single frequency

pins 1 & 2 closed

pins 1 & 2 closed

80486 double frequency

pins 2 & 3 closed

pins 2 & 3 closed

VESA CPU TYPE CONFIGURATION

CPU Type

JP16 (ID1)

JP20 (ID0)

80386

Closed

Open

80486

Open

Closed

VESA BUS SPEED CONFIGURATION

Speed

JP12 (ID3)

< = 33MHz

Open

> 33MHz

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP14 (ID2)

0 wait states

Open

1 wait state

Closed

VESA PAL CONFIGURATION

PAL

JP26

JP27

JP28

JP29

Enabled

Open

Open

Open

Open

Disabled

Closed

Closed

Closed

Closed

Note: PAL disabled - slave mode function only. PAL enabled - master/slave mode.

VESA BUS SPEED MASTER/SLAVE CONFIGURATION

Speed

JP30

33MHz

pins 1 & 2 closed

50MHz

pins 2 & 3 closed