VITALCOM INTERNATIONAL, INC.

486 EISA

Processor

80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

16/20/25/33/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

64MB

Cache

64/128/256/512/1024KB

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

JP15

Speaker

JP19

Turbo LED

JP16

Chassis fan power

JP22

Turbo switch

JP17

32-bit VESA Local bus slots

S1, S2 & S3

Reset switch

JP18

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP20

Open

»

Factory configured - do not alter

JP21

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

U16 (Dirty bit)

64KB

(1) 8K x 8

(1) 8K x 8

(2) 16K x 4

(1) 16K x 1

128KB

(4) 32K x 8

NONE

(2) 16K x 4

(1) 16K x 1

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

(1) 16K x 1

512KB

(4) 128K x 8

NONE

(2) 64K x 4

(1) 64K x 1

1MB

(4) 128K x 8

(4) 128K x 8

(2) 64K x 4

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

JP5

64KB

2 & 3

Closed

1 & 2

1 & 2

1 & 2

128KB

1,2,3,4

Open

2 & 3

1 & 2

1 & 2

256KB

2,3,4,5

Open

2 & 3

2 & 3

1 & 2

512KB

1,2,3,4,5,6

Open

2 & 3

2 & 3

2 & 3

1MB

2,3,4,5,6,7

Open

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP9

JP10

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

256KB

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

512KB

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

CPU Type

JP11

JP12

JP13

486SX

Open

pins 2 & 3 closed

Open

487SX

pins 2 & 3 closed

pins 1 & 2 closed

Closed

486DX

pins 1 & 2 closed

pins 1 & 2 closed

Closed

486DX2

pins 1 & 2 closed

pins 1 & 2 closed

Closed

Pentium Overdrive

pins 2 & 3 closed

pins 1 & 2 closed

Closed

CPU SPEED CONFIGURATION

CPU speed

SW/1

SW/2

SW/3

16MHz

Off

On

Off

20MHz

Off

Off

On

25MHz

On

Off

On

33MHz

On

On

On

50iMHz

Off

On

Off

66iMHz

On

On

On