AORTA SYSTEMS CORPORATION

VL/EISA-486SV1

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

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

Chip Set

SIS

Max. onboard DRAM

128MB

Cache

64/128/256KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

CON1

Speaker

CON4

Turbo switch

CON2

Power LED & keylock

CON5

Turbo LED

CON3

32-bit VESA local bus slot

S1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Factory configured - do not alter

JD1

Open

»

Factory configured - do not alter

JD3

pins 2 & 3 closed

»

Factory configured - do not alter

JP3

pins 2 & 3 closed

»

Factory configured - do not alter

JP4

pins 1 & 2 closed

»

Factory configured - do not alter

JP5

pins 1 & 2 closed

»

Factory configured - do not alter

JP6

pins 1 & 2 closed

»

Factory configured - do not alter

JP13

pins 1 & 2 closed

»

Factory configured - do not alter

JV5

pins 1 & 2 closed

»

Factory configured - do not alter

JV7

pins 1 & 2 closed

»

Factory configured - do not alter

JV10

pins 1 & 2 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

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

64MB

(4) 16M x 9

NONE

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE RESISTOR PACK CONFIGURATION

Size

CJ1

CJ2

CJ3

64KB

Installed

Not installed

Not installed

128KB

Not installed

Installed

Not installed

256KB

Not installed

Not installed

Installed

CPU SPEED CONFIGURATION

Speed

JP9

16MHz

pins 2 & 3 closed

20MHz

pins 2 & 3 closed

25MHz

pins 2 & 3 closed

33MHz

pins 2 & 3 closed

50iMHz

pins 2 & 3 closed

50MHz

Pins 1 & 2 closed

66iMHz

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

80486SX

Off

Off

Off

Off

On

On

80487SX

Off

On

On

On

Off

On

80486DX

On

On

On

Off

Off

On

ODP486SX

Off

On

On

On

Off

On

80486DX2

On

On

On

Off

Off

On

PGA TYPE CONFIGURATION

Type

JP8

80486SX

pins 1 & 2 closed

80487SX

pins 2 & 3 closed

80486DX

pins 1 & 2 closed

ODP486SX

pins 2 & 3 closed

80486DX2

pins 1 & 2 closed

No PGA

pins 2 & 3 closed