DTK COMPUTER, INC.

PAM-0054I (VER. 2.30)

Device Type

Mainboard

Processor

CX 6X86/AM K5/ Pentium

Processor Speed

75/83/90/100/110/120/133/150/166MHz

Chip Set

Intel 430FX

Maximum Onboard Memory

128MB

Cache

256/512KB

BIOS

Award/AMI

Dimensions

220mm x 270mm

I/O Options

32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, VRM connector

CONNECTIONS

Purpose

Location

Purpose

Location

Keylock

J1

Parallel port

J9

Turbo LED

J2

Serial port 1

J10

Speaker

J3

IDE interface 1

J11

IDE interface LED

J4

Floppy drive interface

J12

Reset switch

J5

PS/2 mouse port

J13

Serial port 2

J7

Soft off power supply

J17

IDE interface 2

J8

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Flash BIOS voltage select 12v

JP10

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP10

Pins 2 & 3 closed

»

CMOS memory normal operation

JP11

Open

 

CMOS memory clear

JP11

Closed

SIMM CONFIGURATION (PENTIUM NEEDING 8MB - 128MB)

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

CACHE CONFIGURATION

Size

Bank 0

Bank 1

Tag

Asynchronous 256KB

(1) 32K x 8

None

8K x 8/16K x 8

Asynchronous 512KB

(1) 64K x 8

None

16K x 8/32K x 8

Pipeline Burst 256KB

None

(1) 32K x 32/32K x 36

8K x 8/16K x 8

CACHE SIZE SELECTION

Size

JP14

256KB

Pins 2 & 3 closed

512KB

Pins 1 & 2 closed

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP16

JP17

75MHz

50MHz

1.5x

Open

Open

Closed

Closed

90MHz

60MHz

1.5x

Open

Open

Closed

Open

100MHz

66MHz

1.5x

Open

Open

Open

Closed

120MHz

60MHz

2x

Closed

Open

Closed

Open

133MHz

66MHz

2x

Closed

Open

Open

Closed

150MHz

60MHz

2.5x

Closed

Closed

Closed

Open

166MHz

66MHz

2.5x

Closed

Closed

Open

Closed

Note: Pins designated are in the closed position.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP16

JP17

120MHz

60MHz

2x

Closed

Open

Closed

Closed

133MHz

55MHz

2x

Closed

Open

Open

Open

150MHz

60MHz

2x

Closed

Open

Closed

Open

166MHz

60MHz

2.5x

Closed

Open

Open

Closed

Note: Pins designated are in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP16

JP17

75MHz

50MHz

1.5x

Open

Open

Closed

Closed

90MHz

60MHz

1.5x

Open

Open

Closed

Open

100MHz

66MHz

1.5x

Open

Open

Open

Closed

120MHz

60MHz

2x

Closed

Open

Closed

Open

133MHz

66MHz

2x

Closed

Open

Open

Closed

Note: Pins designated are in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP2

JP3

3.4v

Open

Closed

3.5v

Closed

Open

Note: Pins designated are in the closed position.

CPU VOLTAGE SELECTION (DUAL)

V I/O

V Core

JP2

JP3

J6

JP13

3.3v

2.5v

Open

Closed

Open

1 & 2, 3 & 4

Note: Pins designated are in the closed position.