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FF486SX/FF486DX

ACTION INSTRUMENTS

FF486SX/FF486DX

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

16/20/25/33/50(internal)/50/66(internal)MHz

Chip Set

ACC Micro

Max. onboard DRAM

32MB

SRAM Cache

None

BIOS

Phoenix

Dimensions

337mm x 132mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial port (2), VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J5

Serial Port (COM2)

P4

IDE interface

P1

LCD panel connector

P6

Floppy drive interface

P2

VGA port

P7

Serial Port (COM1)

P3

Parallel port

P8

PIN OUT CONFIGURATION P5

Function

Pin

Power good signal detect from board

1

Keyboard ground

2

+ Keyboard clock

3

+ 5Vdc

4

+ Keyboard data

5

Ground

6

Reset switch

7

Keyboard inhibit switch

8

Speaker

9 & 10

Not used

11 & 12

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

IDE LED select LED with series resistor (all action instruments. chassis)

J1

pins 1 & 2

 

IDE LED select LED only

J1

pins 2 & 3

IDE interface enabled

J2

pins 2 & 3

 

IDE interface disabled

J2

pins 1 & 2

Floppy drive interface select normal

J3A

pins 2 & 3

 

Floppy drive interface select encoded

J3A

pins 1 & 2

Floppy drive interface enabled

J3B

pins 2 & 3

 

Floppy drive interface disabled

J3B

pins 1 & 2

J3A - J3G jumpers enabled

J3H

pins 1 & 2

 

J3A - J3G jumpers disabled (All J3 settings go to default)

J3H

pins 2 & 3

Watch Dog timer delay 1.2 second

J4

pins 1 & 2

 

Watch Dog timer delay 150ms delay

J4

pins 2 & 3

 

Watch Dog timer delay 600ms delay

J4

Open

Watch Dog timer enabled

J4A

pins 1 & 2

 

Watch Dog timer disabled

J4A

pins 2 & 3

Factory configured - do not alter

J6

Open

Monitor type select color

J7

Closed

 

Monitor type select monochrome

J7

Open

Parallel port select uni-directional (printer)

J9

pins 2 & 3

 

Parallel port select bi-directional

J9

pins 1 & 2

Bus cycle lock enabled

J14

Closed

 

Bus cycle lock disabled

J14

Open

Last cycle burst enabled

J17

Closed

 

Last cycle burst disabled

J17

Open

Factory configured - do not alter

J18

Closed

IRQ select Internal CRT interrupt

J20

pins 1 & 2

 

IRQ select AT bus

J20

pins 2 & 3

Note:Pins designated should be in the closed position.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

FLASH MEMORY CONFIGURATION

Address

J19/pins 1 & 2

J19/pins 3 & 4

C0000-C7FFF

Open

Open

C8000-CFFFF

Open

Closed

D0000-D7FFF

Closed

Open

D8000-DFFFF

Closed

Closed

SERIAL PORT CONFIGURATION

UART 1/P3

UART 2/P4

J3C

J3D

J3E

COM1

COM2

pins 2 & 3

pins 2 & 3

pins 2 & 3

Disable

COM2

pins 2 & 3

pins 2 & 3

pins 1 & 2

COM1

Disable

pins 2 & 3

pins 1 & 2

pins 2 & 3

Disable

Disable

pins 2 & 3

pins 1 & 2

pins 1 & 2

COM2

COM1

pins 1 & 2

pins 2 & 3

pins 2 & 3

Disable

COM1

pins 1 & 2

pins 2 & 3

pins 1 & 2

COM2

Disable

pins 1 & 2

pins 1 & 2

pins 2 & 3

Disable

Disable

pins 1 & 2

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.

PARALLEL PORT CONFIGURATION

LPT

ADDRESS

J3F

J3G

LPT1

378h

pins 2 & 3 closed

pins 2 & 3 closed

 

LPT2

278h

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3

3BCh

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

N/A

pins 1 & 2 closed

pins 1 & 2 closed

LCD PANEL TYPE/PLASMA PANEL

LCD TYPE

J8/pins 1 & 2

J8/pins 3 & 4

0

Open

Open

1

Open

Closed

2

Closed

Open

3

Closed

Closed

CPU TYPE CONFIGURATION

CPU Type

J12

J13

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

80487SX

pins 1 & 2, 3 & 4 closed

pins 3 & 4 closed

80486DX

pins 1 & 2, 3 & 4 closed

pins 3 & 4 closed

80486DX2

pins 1 & 2, 3 & 4 closed

pins 3 & 4 closed