...because we can't all be on the bleeding edge...





R525 PENTIUM PCI (VER.2)

M TECHNOLOGY, INC.

R525 PENTIUM PCI (VER.2)

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 218mm

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), VRM connector, cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

Power LED & keylock

J1

Serial port 1

CN2

Speaker

J2

Serial port 2

CN3

Turbo switch

J3

Parallel port

CN4

Turbo LED

J4

Floppy drive interface

CN5

Reset switch

J5

IDE interface 1

CN6

Green PC connector

J6

IDE interface 2

CN7

32-bit PCI slots

PC1 - PC4

VRM connector

CN8

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Pipeline disabled

JP42

Open

 

Pipeline enabled

JP42

Closed

Cache type select write back

JP43

Open

 

Cache type select write through

JP43

Closed

CMOS memory normal operation

JP54

Open

 

CMOS memory clear

JP54

Closed

DRAM 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

24MB

(2) 1M x 36

(2) 2M 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

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M 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

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

SL1

256KB (A)

(8) 32K x 8

(1) 8K/16K/32K x 8

Not installed

256KB (B)

None

None

256KB module installed

512KB (A)

(8) 64K x 8

(1) 16K/32K x 8

Not installed

512KB (B)

None

None

512KB module installed

CACHE JUMPER CONFIGURATION

Size

JP5

JP36

JP37

256KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

512KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Note: These settings are only valid if standard cache is installed.

CACHE CONFIGURATION

Type

JP38

Standard cache

Pins 1 & 2 closed

Pipeline burst cache

Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION

Voltage

JP3

JP4

Mixed voltage

Pins 1 & 2 closed

Pins 1 & 2 closed

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JP28

JP29

JP31

JP40

JP41

75MHz

Open

Open

1 & 2

1 & 2

1 & 2

90MHz

Open

Closed

2 & 3

1 & 2

1 & 2

100MHz

Closed

Closed

2 & 3

1 & 2

1 & 2

120MHz

Open

Closed

2 & 3

1 & 2

2 & 3

133MHz

Closed

Closed

2 & 3

1 & 2

2 & 3

150MHz

Open

Closed

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

CN8

JP32

P54CX

Pins A6 & A7, B6 & B7 closed

Open

P55C 2.5v

Open

Pins 1 & 2, 3 & 4, 5 & 6 closed

P55C 2.5v on VRM

VRM installed

Open

P55CT

VRM installed

Open

CPU VOLTAGE SELECTION

Voltage

JP44

JP45

JP46

3.3v

Closed

Open

Open

3.45v - 3.6v

Open

Closed

Open

DMA CHANNEL SELECTION

Channel

JP6

JP7

 

1

Pins 2 & 3 closed

Pins 2 & 3 closed

3

Pins 1 & 2 closed

Pins 1 & 2 closed

PS/2 MOUSE SELECTION

Setting

JP19

JP20

JP21

JP22

JP23

Disabled

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Enabled

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

FLASH BIOS SELECTION

Setting

JP50

JP51

Normal mode

Pins 2 & 3 closed

Pins 2 & 3 closed

Programming mode

Pins 1 & 2 closed

Pins 1 & 2 closed