M TECHNOLOGY, INC.

R527 PENTIUM PCI/ISA MTI-R527

Processor

CX M1/Pentium

Processor Speed

75/80/90/100/120/133/150/166MHz

Chip Set

SIS

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512/1024KB

BIOS

Award

Dimensions

280mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), feature connector, VGA interface

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Power LED & keylock

J2

Serial port 1

CN2

Speaker

J3

Floppy drive interface

CN3

Turbo switch

J4

Parallel port

CN4

Turbo LED

J5

IDE interface 2

CN5

Reset switch

J6

IDE interface 1

CN6

IDE interface LED 2

J7

VGA interface

CN8

IDE interface LED 1

J8

Feature connector

CN9

Green PC connector

J9

PS/2 mouse interface

J1

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Pipeline address enabled (only if burst cache is installed)

JP32

Pins 2 & 3 closed

 

Pipeline address disabled

JP32

Pins 1 & 2 closed

»

Cache type select write back

JP33

Pins 1 & 2 closed

 

Cache type select write through

JP33

Pins 2 & 3 closed

»

CMOS memory normal operation

JP36

Pins 1 & 2 closed

 

CMOS memory clear

JP36

Pins 2 & 3 closed

 

Monitor type select CGA

JP45

Closed

 

Monitor type select EGA/VGA/monochrome

JP45

Open

»

Flash BIOS mode select normal operation

JP55

Pins 2 & 3 closed

 

Flash BIOS mode select programming mode

JP55

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 1M x 36

None

4MB

(2) 1M x 36

(2) 1M x 36

8MB

(2) 1M x 36

None

10MB

(2) 1M x 36

(2) 256K 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

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

68MB

(2) 8M x 36

(2) 512K x 36

72MB

(2) 8M x 36

(2) 1M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

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

264MB

(2) 32M x 36

(2) 1M x 36

272MB

(2) 32M x 36

(2) 2M x 36

288MB

(2) 32M x 36

(2) 4M x 36

320MB

(2) 32M x 36

(2) 8M x 36

384MB

(2) 16M x 36

(2) 32M x 36

384MB

(2) 32M x 36

(2) 16M x 36

512MB

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB (A)

(8) 32K x 8

None

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

256KB (B)

None

(2) 32K x 32

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

512KB

(8) 64K x 8

None

(1) 16K/32K x 8

1MB

(8) 128K x 8

None

(1) 32K x 8

Note: Board will be installed with either standard or burst cache. Both types will not be present.

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

256KB (A)

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB (B)

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION

Voltage

JP2

JP3

Mixed voltage

Pins 1 & 2 closed

Pins 1 & 2 closed

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

JP25

JP26

JP27

JP30

JP31

80MHz

40MHz

Closed

Open

Open

2 & 3

1 & 2

100MHz

50MHz

Closed

Closed

Closed

2 & 3

1 & 2

120MHz

60MHz

Open

Closed

Open

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

JP25

JP26

JP27

JP30

JP31

75MHz

50MHz

Open

Closed

Closed

1 & 2

1 & 2

90MHz

60MHz

Open

Closed

Open

1 & 2

1 & 2

100MHz

66MHz

Open

Open

Closed

1 & 2

1 & 2

120MHz

60MHz

Open

Closed

Open

2 & 3

1 & 2

133MHz

66MHz

Open

Open

Closed

2 & 3

1 & 2

150MHz

50MHz

Open

Closed

Closed

1 & 2

2 & 3

150MHz

60MHz

Open

Closed

Open

2 & 3

2 & 3

166MHz

66MHz

Open

Open

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP8

Cyrix

pins 1 & 2 closed

Intel

pins 2 & 3 closed

Note: This setting only valid if burst cache is installed.

CPU VOLTAGE SELECTION

Voltage

JP38

JP39

JP40

3.3v

Closed

Open

Open

3.45v - 3.6v

Open

Closed

Open

PS/2 MOUSE CONFIGURATION

» Setting

JP20

JP21

JP22

JP23

JP24

»

Enabled

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

»

Disabled

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.