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





486 VESA LB WINTOWER

AUSTIN COMPUTER SYSTEMS

486 VESA LB WINTOWER

Processor

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

Processor Speed

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

Chip Set

Micronics

Max. Onboard DRAM

64MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external cache memory card slot, floppy interface, IDE interfaces (2), parallel port, serial port (2), VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J11

Auxiliary IDE interface

J30

Parallel port

J12

VESA local bus slots

S1 & S2

Serial port 1

J14

32-bit external cache memory card

S3

Floppy interface

J15

Reset switch

W15

IDE interface

J16

Turbo LED

W17

Auxiliary keyboard connector

J24

Turbo switch

W18

Speaker

J28

IDE interface LED

W19

Power LED & keylock

J29

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CPU type select 80486DX or 80486DX2

W13

pins 1 & 2 closed

 

CPU type select 80486SX

W13

pins 2 & 3 closed

Parallel port select output mode (printer)

W16

pins 2 & 3 closed

 

Parallel port select input mode (scanner)

W16

pins 1 & 2 closed

Flash memory type select default

W20

pins 2 & 3 closed

 

Flash memory type select recovery

W20

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 4M x 9

NONE

NONE

NONE

8MB

(1) 4M x 9

(1) 4M x 9

NONE

NONE

12MB

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

NONE

16MB

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

16MB

(1) 16M x 9

NONE

NONE

NONE

20MB

(1) 4M x 9

(1) 16M x 9

NONE

NONE

24MB

(1) 4M x 9

(1) 4M x 9

(1) 16M x 9

NONE

28MB

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

(1) 16M x 9

32MB

(1) 16M x 9

(1) 16M x 9

NONE

NONE

36MB

(1) 4M x 9

(1) 16M x 9

(1) 16M x 9

NONE

40MB

(1) 4M x 9

(1) 4M x 9

(1) 16M x 9

(1) 16M x 9

48MB

(1) 16M x 9

(1) 16M x 9

(1) 16M x 9

NONE

52MB

(1) 4M x 9

(1) 16M x 9

(1) 16M x 9

(1) 16M x 9

64MB

(1) 16M x 9

(1) 16M x 9

(1) 16M x 9

(1) 16M x 9

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

4MB

On

On

On

On

8MB

Off

On

On

On

12MB

On

Off

On

On

16MB

Off

Off

On

On

16MB

On

On

Off

On

20MB

On

On

Off

Off

24MB

On

Off

On

Off

28MB

Off

On

On

Off

32MB

Off

On

Off

On

36MB

On

Off

Off

Off

40MB

Off

Off

On

Off

48MB

On

Off

Off

On

52MB

Off

Off

Off

Off

64MB

Off

Off

Off

On

CPU SPEED CONFIGURATION

Speed

SW1/5

SW1/6

SW1/7

SW1/8

25MHz

On

Off

On

Off

33MHz

Off

On

Off

Off

50iMHz

On

Off

On

Off

66iMHz

Off

On

Off

Off