ATEN RESEARCH, INC.

AM-486VIP / 4VIP3

Processor

AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/

AM486DX4/80486DX4

Processor Speed

25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

64MB

Cache

128/256/512KB

BIOS

AMI/Award/MR

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), 32-bit PCI slots (4),

green PC connector (location unidentified)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J1

Power LED & keylock

J5

Turbo LED

J2

Green PC connector

JP3

Speaker

J3

32-bit PCI slots

PC0 - PC3

Reset switch

J4

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

DRAM bank configuration select 1 SIMM per bank

JP23

pins 1 & 2 closed

 

DRAM bank configuration select 2 SIMMs per bank

JP23

pins 2 & 3 closed

»

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

»

Flash BIOS select 5VDC

JP12

pins 1 & 2 closed

 

Flash BIOS select 12VDC

JP12

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) 512K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 512K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

5MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

NONE

5MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 512K x 36

NONE

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

7MB

(1) 1M x 36

(1) 512K x 36

(1) 256K x 36

NONE

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

7MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

8MB

(1) 2M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

NONE

8MB

(1) 1M x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

9MB

(1) 2M x 36

(1) 256K x 36

NONE

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

9MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

10MB

(1) 2M x 36

(1) 512K x 36

NONE

NONE

10MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

11MB

(1) 2M x 36

(1) 512K x 36

(1) 256K x 36

NONE

11MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

11MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 256K x 36

DRAM CONFIGURATION CON’T

Size

Bank 0

Bank 1

Bank 2

Bank 3

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

NONE

12MB

(1) 2M x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

13MB

(1) 2M x 36

(1) 1M x 36

(1) 256K x 36

NONE

13MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

13MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

14MB

(1) 2M x 36

(1) 1M x 36

(1) 512K x 36

NONE

14MB

(1) 2M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

14MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

14MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

15MB

(1) 2M x 36

(1) 1M x 36

(1) 512K x 36

(1) 256K x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 2M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 4M x 36

(1) 256K x 36

NONE

NONE

17MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

NONE

17MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

18MB

(1) 4M x 36

(1) 512K x 36

NONE

NONE

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

NONE

18MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

NONE

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

18MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

19MB

(1) 4M x 36

(1) 512K x 36

(1) 256K x 36

NONE

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

19MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

20MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

NONE

20MB

(1) 4M x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

NONE

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

21MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

NONE

21MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

21MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 256K x 36

22MB

(1) 4M x 36

(1) 1M x 36

(1) 512K x 36

NONE

22MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

22MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

22MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 512K x 36

23MB

(1) 4M x 36

(1) 1M x 36

(1) 512K x 36

(1) 256K x 36

DRAM CONFIGURATION CON’T

Size

Bank 0

Bank 1

Bank 2

Bank 3

24MB

(1) 4M x 36

(1) 2M x 36

NONE

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

25MB

(1) 4M x 36

(1) 2M x 36

(1) 256K x 36

NONE

25MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

25MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

26MB

(1) 4M x 36

(1) 2M x 36

(1) 512K x 36

NONE

26MB

(1) 4M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

26MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

26MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

27MB

(1) 4M x 36

(1) 2M x 36

(1) 512K x 36

(1) 256K x 36

28MB

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

NONE

28MB

(1) 4M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

29MB

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

(1) 256K x 36

30MB

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

(1) 512K x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

33MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

NONE

33MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

34MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

34MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

35MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 256K x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

36MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

37MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

38MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 512K x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

NONE

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

41MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 256K x 36

42MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 512K x 36

44MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

DRAM CONFIGURATION CON’T

Size

Bank 0

Bank 1

Bank 2

Bank 3

49MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

50MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

56MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP20

128KB

pins 1 & 2 closed

256KB

pins 1 & 2 closed

512KB

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP11

JPV1

JPV2

JP99

AM486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Closed

CX486DX

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

Closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Closed

AM486DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Closed

CX486DX2

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

Closed

80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Closed

AM486DX4

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Open

80486DX4

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Open

CPU SPEED CONFIGURATION

Speed

JP7

JP27

JP28

25

pins 1 & 2 closed

pins 2 & 3 closed

Closed

33

pins 2 & 3 closed

pins 1 & 2 closed

Open

50i

pins 1 & 2 closed

pins 2 & 3 closed

Closed

66i

pins 2 & 3 closed

pins 1 & 2 closed

Open

75i

pins 1 & 2 closed

pins 2 & 3 closed

Closed

100i

pins 2 & 3 closed

pins 1 & 2 closed

Open

PCI BUS CONFIGURATION

Trigger

JP38A (PCI 0)

JP38B (PCI 1)

JP38C (PCI 2)

Level

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Edge

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

IDE CARD SLOT SELECT CONFIGURATION

Setting

JP38D

Select PCI 3 using IRQ14

Closed

Select ISA or VESA

Open

PCI BUS CONFIGURATION

Setting

JP10A(IRQ9)

JP10B(IRQ10)

JP10C(IRQ11)

JP10D(IRQ12)

JP10E(IRQ15)

Compliance

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

Non-compliance

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.