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MX486 Motherboard Settings and Configuration






ICL

MX486

Processor

80486DX

Processor Speed

33/50MHz

Chip Set

Unidentified

Max. Onboard DRAM

64MB

Cache

Unidentified

BIOS

Unidentified

Dimensions

355mm x 305mm

I/O Options

LCD/BIOS slot, local bus slots, external memory card, external processor board, serial ports (2), parallel port, PS/2 mouse interface, floppy drive interface, IDE interface, LCD interface

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

LCD/BIOS slot

SL1

Local bus slots extension slots

SL8 - SL11

Local bus slots

SL2 - SL7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Multiprocessing type select asymmetric

J3

pins 2 & 3 closed

 

Multiprocessing type select symmetric

J3

pins 1 & 2 closed

»

CPU speed select 33MHz used

J10

Open

 

CPU speed select 33MHz not used

J10

Closed

»

Temperature sensor for second 486/33 board in slot 13

J22

Open

 

Temperature sensor for second 486/50 board in slot 14

J22

Closed

»

Factory configured - do not alter

J257

N/A

»

Factory configured - do not alter

J258

N/A

»

ISP INT to CPU1 unlatched

JP3

pins 1 & 2 closed

 

ISP INT to CPU1 latched

JP3

pins 2 & 3 closed

»

I/O cycles long wait enabled

JP7

Closed

 

I/O cycles long wait disabled

JP7

Open

»

Cache type select programmed by software

JP8

pins 1 & 2 closed

 

Cache type select write back

JP8

pins 2 & 3 closed

 

Cache type select write through

JP8

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

8MB

NONE

NONE

NONE

12MB

8MB

4MB

NONE

NONE

16MB

8MB

4MB

4MB

NONE

16MB

8MB

8MB

NONE

NONE

16MB

16MB

NONE

NONE

NONE

24MB

8MB

4MB

4MB

8MB

24MB

8MB

8MB

8MB

NONE

24MB

8MB

16MB

NONE

NONE

32MB

8MB

8MB

8MB

8MB

32MB

16MB

16MB

NONE

NONE

40MB

8MB

16MB

16MB

NONE

48MB

16MB

16MB

16MB

NONE

56MB

8MB

16MB

16MB

16MB

64MB

16MB

16MB

16MB

16MB

Note: Memory is installed by using ICL modules.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J1

N/A

»

Factory configured - do not alter

JP1

pins 2 & 3 closed

»

Factory configured - do not alter

JP2

pins 1 & 2 closed

»

Factory configured - do not alter

JP3

Closed

CACHE CONFIGURATION

Note: The size and configuration of the cache is unidentified.

CONNECTIONS

Purpose

Location

Purpose

Location

System board connector

CN1

Serial port 1

CN7

System board connector

CN2

Serial port 2

CN8

System board connector

CN3

Parallel port

CN9

System board connector

CN4

PS/2 mouse connector

CN10

Chassis fan power

CN5

Keyboard connector

CN11

Chassis fan power

CN6

   

Note: Jumper sizes may not be exact. They are shown for location purposes only.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

IRQ select IRQ7

CON3

pins 2 & 3 closed

 

IRQ select IRQ5

CON3

pins 1 & 2 closed

»

Motor drive spindle speed select single speed

CON4

Open

 

Motor drive spindle speed select double speed

CON4

Closed

»

Pre-compensation mode select normal

CON5

Closed

 

Pre-compensation mode select alternate

CON5

Open

CONNECTIONS

Purpose

Location

Purpose

Location

Temperature sensor interface

CON1

Floppy drive interface

cn2

Chassis fan power

CON2

IDE interface

cn3

Floppy drive interface

cn1

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Floppy drives write protect disabled

CON15

pins 1 & 2 closed

 

Floppy drives write protect enabled

CON15

pins 2 & 3 closed

»

Factory configured - do not alter

CON16

N/A

»

Factory configured - do not alter

CON17

N/A

CONNECTIONS

Purpose

Location

LCD interface

CN1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP1

Closed

»

INT 2 asymmetric

JP2

pins 2 & 3 closed

 

INT 2 symmetric

JP2

pins 1 & 2 closed

»

Safe operation enabled

JP3

pins 2 & 3 closed

 

Micro-switch override

JP3

pins 1 & 2 closed

»

INT ACK 2 asymmetric

JP6

pins 2 & 3 closed

 

INT ACK 2 symmetric

JP6

pins 1 & 2 closed

»

Keyboard/mouse lock set by key

JP20

pins 1 & 2 closed

 

Keyboard/mouse enabled

JP20

pins 2 & 3 closed

 

Keyboard/mouse locked

JP20

Open

»

I/O CHK# disabled

JP21

Open

 

/O CHK# enabled

JP21

Closed

»

3-mode diskette primary address enabled

JP22

pins 1 & 2 closed

 

3-mode diskette secondary address enabled

JP22

pins 2 & 3 closed

»

VCCAUX 5v auxiliary enabled

JP23

Open

 

VCCAUX 5v auxiliary disabled

JP23

Closed

»

DCM COM port access, lower 64KB memory installed

JP34

pins 2 & 3 closed

 

DCM COM port access, upper 64KB memory installed

JP34

pins 1 & 2 closed

»

Factory configured - do not alter

J250

N/A

»

Factory configured - do not alter

J257

N/A

»

Factory configured - do not alter

J258

N/A

»

Factory configured - do not alter

J259

N/A

USER CONFIGURABLE SETTINGS (CON’T)

Function

Jumper

Position

»

Factory configured - do not alter

J261

N/A

»

Factory configured - do not alter

J262

N/A

»

Factory configured - do not alter

JSW1/1

N/A

»

Factory configured - do not alter

JSW1/2

N/A

»

Factory configured - do not alter

JSW1/3

N/A

»

Factory configured - do not alter

JSW1/4

N/A

»

Factory configured - do not alter

JSW1/5

N/A

»

RAM test enabled

JSW1/6

Off

 

RAM test disabled

JSW1/6

On

»

COM port speed set by ECU

JSW1/7

Off

 

COM1 = 9600, n, 8, 1 & COM2 = 2400, n, 8, 1

JSW1/7

On

»

Password disabled

JSW1/8

On

 

Password enabled

JSW1/8

Off

Note: The location of JP34 is unidentified.

EISA MEMORY CONFIGURATION

Setting

JP31

JP32

JP33

1C000H - 1FFFFH

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

18000H - 1BFFFH

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

14000H - 17FFFH

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

10000H - 13FFFH

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

0C000H - 0FFFFH

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

08000H - 0BFFFH

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

04000H - 07FFFH

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

00000H - 03FFFH

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed








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previous page: INDIANA C-SERIES/S-SERIES Motherboard Settings and Configuration
  
page up: Motherboards Jumper Settings: A-Z: I
  
next page: TEAMSERVER EI SERIES Motherboard Settings and Configuration