INDUSTRIAL COMPUTER SOURCE

486MBS SERIES

Processor

SL80486SX/80486DX/SL80486DX/AM486DX2/AM486DX4/ AM 5X86/CX5X86

Processor Speed

20/25/33/40/50(internal)/50/66(internal)/75(internal)/ 100(internal)MHz

Chip Set

C & T

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Serial port 2

J18

Power LED & keylock

J2

Serial port 1

J19

External battery

J3

Floppy drive interface

J20

IDE interface LED

J4

Auxiliary keyboard connector

J23

IDE interface 1

J5

PS/2 mouse interface

J24

IDE interface 2

J6

Reset switch

J25

Reset switch

J15

Turbo switch

J26

Parallel port

J17

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

On board I/O enabled

JP17

Pins 1 & 2 closed

 

On board I/O disabled

JP17

Pins 2 & 3 closed

»

Factory configured - do not alter

JP21

Unidentified

»

CMOS memory normal operation

JP24

Pins 1 & 2 closed

 

CMOS memory clear

JP24

Pins 2 & 3 closed

SIMM 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) 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

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

None

6MB

(1) 1M x 36

(1) 512K x 36

None

None

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

None

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 2M x 36

None

None

None

8MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

9MB

(1) 2M x 36

(1) 256K x 36

None

None

10MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

None

10MB

(1) 2M x 36

(1) 512K x 36

None

None

10MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

11MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

None

SIMM 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) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

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

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

None

18MB

(1) 4M x 36

(1) 512K x 36

None

None

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

None

20MB

(1) 4M x 36

(1) 1M x 36

None

None

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

22MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

24MB

(1) 4M x 36

(1) 2M x 36

None

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

32MB

(1) 8M x 36

None

None

None

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

33MB

(1) 8M x 36

(1) 256K x 36

None

None

34MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

None

34MB

(1) 8M x 36

(1) 512K x 36

None

None

35MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

None

36MB

(1) 8M x 36

(1) 1M x 36

None

None

38MB

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

None

40MB

(1) 8M x 36

(1) 2M x 36

None

None

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

None

48MB

(1) 8M x 36

(1) 4M x 36

None

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

None

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

112MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

Note: Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

None

Unidentified

256KB

(4) 32K x 32

(4) 32K x 32

Unidentified

Note: The location of banks 0 & 1 is unidentified.

CACHE JUMPER CONFIGURATION

Size

JP26

JP27

128KB

Pins 1 & 2 closed

Pins 2 & 3 closed

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU SPEED SELECTION

Speed

JP14

20MHz

Pins 1 & 2 closed

25MHz

Pins 3 & 4 closed

33MHz

Pins 5 & 6 closed

40MHz

Pins 7 & 8 closed

50iMHz

Pins 3 & 4 closed

50MHz

Pins 9 & 10 closed

66iMHz

Pins 5 & 6 closed

75iMHz

Pins 3 & 4 closed

100iMHz

Pins 5 & 6 closed

CPU TYPE SELECTION

Type

JP1

JP2

JP4

JP5

JP6

SL80486SX

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

80486DX

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

SL80486DX

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

AM486DX2 (NV8T)

2 & 3

3 & 4

1 & 2

2 & 3

2 & 3

AM486DX2 (SV8B)

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

AM486DX4 (SV8B)

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

AM 5X86 (WB)

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

CX 5X86 (WB)

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP7

JP8

JP9

JP10

JP11

SL80486SX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

SL80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

AM486DX2 (NV8T)

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

AM486DX2 (SV8B)

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

AM486DX4 (SV8B)

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

AM 5X86 (WB)

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

CX 5X86 (WB)

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION

Setting

JP12

JP30

0

Open

Open

1

Closed

Closed

VL BUS SPEED SELECTION

Speed

JP13

JP31

<= 33MHz

Open

Open

>33 MHz

Closed

Closed

DMA CHANNEL SELECTION

Channel

JP15

JP16

»

Disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

 

3

Pins 3 & 4 closed

Pins 3 & 4 closed

 

5

Pins 5 & 6 closed

Pins 5 & 6 closed

 

6

Pins 7 & 8 closed

Pins 7 & 8 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JP19

»

IRQ4

Pins 1 & 2 closed

 

IRQ5

Pins 2 & 3 closed

 

Disabled

Open

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JP20

»

IRQ3

Pins 1 & 2 closed

 

IRQ9

Pins 2 & 3 closed

 

Disabled

Open

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP18

»

IRQ7

Pins 1 & 2 closed

 

IRQ5

Pins 2 & 3 closed

 

Disabled

Open