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





R525 PENTIUM PCI

M TECHNOLOGY, INC.

R525 PENTIUM PCI

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

128MB

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

Speaker

J2

Serial port 1

CN2

Turbo switch

J3

Serial port 2

CN3

Turbo LED

J4

Parallel port

CN4

Reset switch

J5

Floppy drive interface

CN5

Green PC connector

J6

IDE interface 1

CN6

IDE interface LED

JP35

IDE interface 2

CN7

32-bit PCI slots

PC1 - PC4

VRM connector

CN8

Cache slot

SL1

Power LED & keylock

J1

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP8

N/A

Factory configured - do not alter

JP9

N/A

Factory configured - do not alter

JP10

N/A

Factory configured - do not alter

JP11

N/A

 

Pipeline disabled

JP42

Open

 

Pipeline enabled

JP42

Closed

Cache type select write back

JP43

Open

 

Cache type select write through

JP43

Closed

Factory configured - do not alter

JP48

N/A

Factory configured - do not alter

JP49

N/A

CMOS memory normal operation

JP54

Open

 

CMOS memory clear

JP54

Closed

Note: The location of the factory configured jumpers are unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 1M x 36

(2) 512K x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

18MB

(2) 256K x 36

(2) 2M x 36

20MB

(2) 2M x 36

(2) 512K x 36

20MB

(2) 512K x 36

(2) 2M 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

34MB

(2) 4M x 36

(2) 256K x 36

34MB

(2) 256K x 36

(2) 4M x 36

36MB

(2) 4M x 36

(2) 512K x 36

36MB

(2) 512K x 36

(2) 4M 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

66MB

(2) 8M x 36

(2) 256K x 36

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 8M x 36

(2) 512K x 36

68MB

(2) 512K x 36

(2) 8M 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

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

Installed

512KB (A)

(8) 64K x 8

(1) 16K/32K x 8

Not installed

512KB (B)

NONE

NONE

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 TYPE CONFIGURATION

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 SPEED CONFIGURATION

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 VOLTAGE CONFIGURATION

Voltage

JP44

JP45

JP46

3.3v

Closed

Open

Open

3.45v - 3.6v

Open

Closed

Open

DMA CONFIGURATION

DMA

JP6

JP7

DMA 1

pins 2 & 3 closed

pins 2 & 3 closed

DMA 3

pins 1 & 2 closed

pins 1 & 2 closed

PS/2 MOUSE CONFIGURATION

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 CONFIGURATION

Setting

JP50

JP51

Normal mode

pins 2 & 3 closed

pins 2 & 3 closed

Programming mode

pins 1 & 2 closed

pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTE

Note: The location of some pin 1s are unidentified.