HwMuseum | Index

M TECHNOLOGY, INC.

R527 PENTIUM PCI/ISA

Processor

CX 6X86/Pentium

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

512MB

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), VGA 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

J9

VGA feature connector

CN9

Green PC connector

J8

PS/2 mouse interface

J1

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Pipeline enabled (only if burst cache is installed)

JP32

pins 1 & 2 closed

 

Pipeline disabled

JP32

pins 2 & 3 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 1

Size

Bank 0

Bank 1

1MB

NONE

(1) 256K x 36

1MB

(1) 256K x 36

NONE

2MB

NONE

(1) 512K x 36

2MB

(1) 512K x 36

NONE

4MB

NONE

(1) 1M x 36

4MB

(1) 1M x 36

NONE

8MB

NONE

(1) 2M x 36

8MB

(1) 2M x 36

NONE

16MB

NONE

(1) 4M x 36

16MB

(1) 4M x 36

NONE

32MB

NONE

(1) 8M x 36

32MB

(1) 8M x 36

NONE

64MB

NONE

(1) 16M x 36

64MB

(1) 16M x 36

NONE

128MB

NONE

(1) 32M x 36

128MB

(1) 32M x 36

NONE

DRAM CONFIGURATION 2

Size

Banks 0 & 1

Banks 2 & 3

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

DRAM CONFIGURATION 2 (CON’T)

Size

Banks 0 & 1

Banks 2 & 3

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

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

CACHE CONFIGURATION

Size

Bank 0

TAG

U1 & U2

256KB (A)

(8) 32K x 8

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

NONE

256KB (B)

NONE

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

(2) 32K x 32

512KB

(8) 64K x 8

(1) 16K/32K x 8

NONE

1MB

(8) 128K x 8

(1) 32K x 8

NONE

Note: Board can be installed with either standard or burst cache. Both types cannot 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

3.3v/5v mixed

pins 1 & 2 closed

pins 1 & 2 closed

3.3v

pins 2 & 3 closed

pins 2 & 3 closed

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 SPEED CONFIGURATION

Speed

Clock speed

JP26

JP27

JP30

JP31

75MHz

50MHz

Closed

Closed

1 & 2

1 & 2

90MHz

60MHz

Closed

Open

1 & 2

1 & 2

100MHz

66MHz

Open

Closed

1 & 2

1 & 2

120MHz

60MHz

Closed

Open

2 & 3

1 & 2

133MHz

66MHz

Open

Closed

2 & 3

1 & 2

150MHz

50MHz

Closed

Closed

1 & 2

2 & 3

150MHz

60MHz

Closed

Open

2 & 3

2 & 3

166MHz

66MHz

Open

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE CONFIGURATION

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.