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AM-548

KADATCO CO., LTD.

AM-548

Device Type

Mainboard

Processor

CX 6X86L/CX M2/IBM6X86L/IBM M2/AM K6/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200/233MHz

Chip Set

Intel

Video Chip Set

Unidentified

Maximum Onboard Memory

384MB (EDO & SDRAM supported) Unified Memory Architecture (UMA)

Cache

512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IR connector

IR1

Serial port 1

CN1

Speaker

J3/pins 1, 3, 5, 7

Serial port 2

CN2

Power LED & keylock

J3/pins 2, 4, 6, 8, 10

Parallel port

CN3

Turbo LED

J3/pins 13 & 14

Floppy drive interface

CN4

IDE interface LED

J3/pins 15 & 16

IDE interface 1

CN5

Reset switch

J3/pins 17 & 18

IDE interface 2

CN6

Green PC LED

J3/pins 19 & 20

PS/2 mouse interface

CN7

Green PC connector

J3/pins 21 & 22

VGA interface

CN8

32-bit PCI slots

PC1 – PC4

Soft off power supply

J1

USB connector

USB

Chassis fan power

J2

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP2

Pins 1 & 2 closed

 

CMOS memory clear

JP2

Pins 2 & 3 closed

 

On board video enabled

JP3

Pins 2 & 3 closed

 

On board video disabled

JP3

Pins 1 & 2 closed

 

PCI clock speed select CPU CLK/2

JP5D

Pins 1 & 2 closed

 

PCI clock speed select CPU CLK = 33MHz

JP5D

Pins 2 & 3 closed

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

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

128MB

(2) 8M x 36

(2) 8M x 36

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. It Is not recommended to install DIMMs & SIMMs at the same time.

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) 8M x 64

(1) 8M x 64

Note: Board accepts SDRAM memory. For maximum memory of 384MB, fully populate all 4 banks.

DIMM/SIMM VOLTAGE CONFIGURATION

Voltage

JP4A

JP4B

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

512KB

(2) 64K x 32

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP5A

JP5B

JP5C

JP7A

JP7B

120MHz

50MHz

2x

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

133MHz

55MHz

2x

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

200MHz

75MHz

2x

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86L)

CPU speed

Clock speed

Multiplier

JP5A

JP5B

JP5C

JP7A

JP7B

120MHz

50MHz

2x

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

133MHz

55MHz

2x

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

200MHz

75MHz

2x

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX M2)

CPU speed

Clock speed

Multiplier

JP5A

JP5B

JP5C

JP7A

JP7B

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM M2)

CPU speed

Clock speed

Multiplier

JP5A

JP5B

JP5C

JP7A

JP7B

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP3A

JP3B

JP3C

JP8A

JP8B

75MHz

50MHz

1.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

90MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP5A

JP5B

JP5C

JP7A

JP7B

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP3A

JP3B

JP3C

JP8A

JP8B

75MHz

50MHz

1.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

90MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

180MHz

60MHz

3x

2 & 3

2 & 3

1 & 2

1 & 2

2 & 3

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP5A

JP5B

JP5C

JP7A

JP7B

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP8A

JP8B

P54C

Pins 2 & 3 closed

Pins 2 & 3 closed

IDT C6

Pins 2 & 3 closed

Pins 2 & 3 closed

CX M2

Pins 1 & 2 closed

Pins 1 & 2 closed

AM K6

Pins 1 & 2 closed

Pins 1 & 2 closed

CX 6X86L

Pins 1 & 2 closed

Pins 1 & 2 closed

IBM 6X86L

Pins 1 & 2 closed

Pins 1 & 2 closed

P55C

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU VOLTAGE SELECTION

Voltage

JP6A

JP6B

JP6C

JP6D

JP6E

2.5v

Open

Open

Open

Open

Open

2.8v

Open

Open

Open

Open

Closed

2.9v

Open

Open

Open

Closed

Open

3.2v

Open

Open

Closed

Open

Open

3.3v

Open

Closed

Open

Open

Open

3.5v

Closed

Open

Open

Open

Open