HwMuseum | Index

MITAC INTERNATIONAL COMPUTER

PH5400TX

Device Type

Mainboard

Processor

CX 6X86/CX 6X86L/AM K5/Pentium/Pentium MMX

Processor Speed

75/90/100/120/133/150/166/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

J1

Green PC connector

J17

Floppy drive interface

J2

Reset switch

J18

Serial port 1

J4

Speaker

J19

Serial port 2

J6

IDE interface LED

J20

PS/2 mouse interface/USB connector

J7

IR connector

J22

IDE interface 2

J14

Power LED & keylock

J23

IDE interface 1

J15

32-bit PCI slots

PC1 – PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP5

Pins 1 & 2 closed

 

CMOS memory clear

JP5

Pins 2 & 3 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

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 EDO & SDRAM memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

120MHz

50MHz

2x

1 & 2

1 & 2, 3 & 4

2 & 3

5 & 6

133MHz

55MHz

2x

1 & 2

3 & 4

2 & 3

5 & 6

150MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

5 & 6

166MHz

60MHz

2x

1 & 2

Open

2 & 3

5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

166MHz

60MHz

2x

1 & 2

Open

2 & 3

5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

120MHz

60MHz

2x

1 & 2

1 & 2

*

*

133MHz

66MHz

2x

1 & 2

Open

*

*

150MHz

60MHz

2.5x

1 & 2, 3 & 4

1 & 2

*

*

166MHz

66MHz

2.5x

1 & 2, 3 & 4

Open

*

*

Note: Pins designated should be in the closed position. * = See table below.

CPU SPEED SELECTION (INTEL STD)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

75MHz

50MHz

1.5x

Open

1 & 2, 3 & 4

2 & 3

5 & 6

90MHz

60MHz

1.5x

Open

1 & 2

2 & 3

5 & 6

100MHz

66MHz

1.5x

Open

Open

2 & 3

5 & 6

120MHz

60MHz

2x

1 & 2

1 & 2

2 & 3

5 & 6

133MHz

66MHz

2x

1 & 2

Open

2 & 3

5 & 6

150MHz

60MHz

2.5x

1 & 2, 3 & 4

1 & 2

2 & 3

5 & 6

166MHz

66MHz

2.5x

1 & 2, 3 & 4

Open

2 & 3

5 & 6

200MHz

66MHz

3x

3 & 4

Open

2 & 3

5 & 6

CPU SPEED SELECTION (INTEL VRE)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

75MHz

50MHz

1.5x

Open

1 & 2, 3 & 4

1 & 2

5 & 6

90MHz

60MHz

1.5x

Open

1 & 2

1 & 2

5 & 6

100MHz

66MHz

1.5x

Open

Open

1 & 2

5 & 6

120MHz

60MHz

2x

1 & 2

1 & 2

1 & 2

5 & 6

133MHz

66MHz

2x

1 & 2

Open

1 & 2

5 & 6

150MHz

60MHz

2.5x

1 & 2, 3 & 4

1 & 2

1 & 2

5 & 6

166MHz

66MHz

2.5x

1 & 2, 3 & 4

Open

1 & 2

5 & 6

200MHz

66MHz

3x

3 & 4

Open

1 & 2

5 & 6

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

166MHz

66MHz

2.5x

1 & 2, 3 & 4

Open

2 & 3

5 & 6

200MHz

66MHz

3x

3 & 4

Open

2 & 3

5 & 6

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (AM K5 ONLY)

Voltage code

JP3

JP4

B

1 & 2

5 & 6

C

2 & 3

5 & 6

F

2 & 3

5 & 6

H

2 & 3

7 & 8

J

2 & 3

3 & 4

K

2 & 3

1 & 2