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R552 PENTIUM PCI/ISA

M TECHNOLOGY, INC.

R552 PENTIUM PCI/ISA

Processor

CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

304mm x 244mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Speaker

J2

Serial port 2

CN1

Reset switch

J3

Parallel port

CN2

Green PC connector

J4

PS/2 mouse port

CN3

IDE interface LED

J5

Serial port 1

CN4

32-bit PCI slots

PC1 - PC4

Floppy drive interface

CN5

Cache slot

SL1

IDE interface 1

CN6

USB connector 1

USB1

IDE interface 2

CN7

USB connector 2

USB2

Power LED & keylock

J1

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

JP14

Open

 

CMOS memory clear

JP14

Closed

 

Monitor type select CGA

JP15

Closed

 

Monitor type select monochrome/EGA/VGA

JP15

Open

PS/2 mouse enabled

JP16

Pins 1 & 2 closed

 

PS/2 mouse disabled

JP16

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(2) 512K x 36

None

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

20MB

(2) 2M x 36

(2) 512K 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

36MB

(2) 4M x 36

(2) 512K 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

68MB

(2) 8M x 36

(2) 512K 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

Note: Board accepts EDO memory. If these configurations are used, DIMM sockets must be empty. Board also accepts x 32 SIMMs.

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) 8M x 64

(1) 8M x 64

Note: If these configurations are used, DIMM sockets must be empty.

DIMM VOLTAGE CONFIGURATION

Voltage

JP10

3.3v

Pins 3 & 5, 4 & 6, closed

5v

Pins 1 & 3, 2 & 4 closed

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB

(2) 32K x 32

Not installed

(1) 32K x 8

512KB

(2) 32K x 32

256KB module installed

(1) 32K x 8

512KB

(2) 64K x 32

256KB module installed

(1) 32K x 8

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP6

JP7

JP8

JP500

JP501

JP502

120MHz

50MHz

2x

Open

Closed

Open

Open

Open

Open

133MHz

55MHz

2x

Open

Closed

Open

Closed

Open

Open

150MHz

60MHz

2x

Closed

Closed

Open

Open

Open

Closed

166MHz

66MHz

2x

Open

Closed

Open

Open

Closed

Open

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP6

JP7

JP8

JP500

JP501

JP502

75MHz

50MHz

1.5x

Open

Open

Open

Open

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Open

Open

Open

Closed

100MHz

66MHz

1.5x

Open

Open

Open

Open

Closed

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP6

JP7

JP8

JP500

JP501

JP502

75MHz

50MHz

1.5x

Open

Open

Open

Open

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Open

Open

Open

Closed

100MHz

66MHz

1.5x

Open

Open

Open

Open

Closed

Open

120MHz

60MHz

2x

Closed

Closed

Open

Open

Open

Closed

133MHz

66MHz

2x

Open

Closed

Open

Open

Closed

Open

150MHz

60MHz

2.5x

Closed

Closed

Closed

Open

Open

Closed

166MHz

66MHz

2.5x

Open

Closed

Closed

Open

Closed

Open

180MHz

60MHz

3x

Closed

Open

Closed

Open

Open

Closed

200MHz

66MHz

3x

Open

Open

Closed

Open

Closed

Open

CPU VOLTAGE SELECTION (SINGLE POWER CPU)

CPU type

Voltage

JP5

JP9

CX M1/AM K5/P54C

3.3v

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

CX M1/AM K5/P54C

3.45v

1 & 2, 3 & 4, 5 & 6

1 & 2

CX M1/AM K5/P54C

3.5v

1 & 2, 3 & 4, 5 & 6

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION(DUAL POWER CPU)

CPU type

Voltage 1

Voltage 2

JP5

JP9

JP19

P55C

3.3v

2.5v

Open

1 & 2, 3 & 4

1 & 2, 3 & 4

P55C

3.45v

2.7v

Open

1 & 2

1 & 2

P55C

3.5v

2.8v

Open

Open

Open

Note: Pins designated should be in the closed position.

FLASH BIOS SELECTION

Voltage

JP17

JP18

None

Pins 1 & 2 closed

Pins 1 & 2 closed

5v

Pins 1 & 2 closed

Pins 2 & 3 closed

12v

Pins 2 & 3 closed

Pins 2 & 3 closed