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DATAEXPERT CORPORATION

ATX431

Device Type

Mainboard

Processor

CX 6X86/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX

Processor Speed

90/100/120/133/150/166/200/233MHz

Chip Set

Intel 430TX

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

512KB

BIOS

AMI

Dimensions

305mm x 190mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connectors (2), USB connectors (2), ATX power connector

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IDE interface LED

J3

Serial port 1

CN1

Reset switch

J4

Parallel port

CN2

Turbo LED

J5

PS/2 mouse port

CN3

IR connector

J8

Serial port 2

CN4

CIR connector

J9

IDE interface 1

CN5

USB connector 1

J10

IDE interface 2

CN6

USB connector 2

J11

Floppy drive interface

CN7

32-bit PCI slots

PC1 – PC4

Power LED & keylock

J1

Soft off power supply

SW1

Speaker

J2

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Flash BIOS voltage select 5v

JP3

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP3

Pins 1 & 2 closed

»

CMOS memory normal operation

JP6

Closed

 

CMOS memory clear

JP6

Open

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Size

Bank 0

512KB

(2) 64K x 32