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





486/DX2 50E WINSTATION

AUSTIN COMPUTER SYSTEMS

486/DX2 50E WINSTATION

Processor

80486DX/80486DX2

Processor Speed

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

Chip Set

None

Max. Onboard DRAM

64MB

Cache

64/128/256KB (on external CPU card)

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external CPU card slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J2

Reset switch

J7

Turbo LED

J5

Power LED & keylock

J8

Turbo switch

J6

32-bit external CPU card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter (on external CPU card)

CE1

N/A

»

Factory configured - do not alter (on external CPU card)

CE2

N/A

»

I/O recovery time disabled (normal)

E1

pins 1 & 2 closed

 

I/O recovery time enabled (slower)

E1

pins 2 & 3 closed

»

Factory configured - do not alter

E2

pins 2 & 3 closed

»

Factory configured - do not alter

E3

pins 1 & 2 closed

»

System base memory size select 640KB

J1

pins 1 & 2 closed

 

System base memory size select 512KB

J1

pins 2 & 3 closed

»

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

»

Factory configured - do not alter

JP3

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(4) 1M x 9

NONE

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

24MB

(4) 4M x 9

(4) 1M x 9

(1) 1M x 36

NONE

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

40MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 36

(4) 4M x 36

DRAM JUMPER CONFIGURATION

Size

J3

J4

4MB

pins 2 & 3 closed

pins 2 & 3 closed

8MB

pins 2 & 3 closed

pins 2 & 3 closed

12MB

pins 2 & 3 closed

pins 2 & 3 closed

16MB

pins 2 & 3 closed

pins 2 & 3 closed

16MB

pins 1 & 2 closed

pins 1 & 2 closed

20MB

pins 1 & 2 closed

pins 1 & 2 closed

24MB

pins 2 & 3 closed

pins 1 & 2 closed

32MB

pins 1 & 2 closed

pins 1 & 2 closed

40MB

pins 2 & 3 closed

pins 1 & 2 closed

48MB

pins 1 & 2 closed

pins 1 & 2 closed

64MB

pins 1 & 2 closed

pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(5) 8K x 8

(5) 8K x 8

128KB

(5) 32K x 8

NONE

256KB

(5) 32K x 8

(5) 32K x 8

CACHE JUMPER CONFIGURATION

Size

SR1

SR2

SR3

SR4

SR5

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)

Size

SR6

SR7

SR8

SR9

SR10

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.