Processor

CXM1/AM K5/Pentium

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

512MB

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

32-bit PCI slots (4), green PC connector, floppy drive interface, 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

Turbo switch

JP20 pins 6 & 16

Serial port 1

CN2

Turbo LED

JP20 pins 7 & 17

Serial port 2

CN3

Reset switch

JP20 pins 8 & 18

Floppy drive interface

CN4

Green PC connector

JP20 pins 9 & 19

Parallel port

CN5

IDE interface LED

JP20 pins 10 & 20

IDE interface 2

CN6

Speaker

JP20 pins 11 - 14

IDE interface 1

CN7

32-bit PCI slots

PC1 - PC4

VRM connector

CN8

Cache slot

SL1

Power LED & keylock

JP20 pins 1 - 5

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP3

N/A

»

Parallel port IRQ select IRQ7

JP10

pins 2 & 3 closed

Parallel port IRQ select IRQ5

JP10

pins 1 & 2 closed

»

CMOS memory normal operation

JP16

pins 2 & 3 closed

CMOS memory clear

JP16

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 256K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 256K x 36

(2) 1M 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) 256K x 36

(2) 2M x 36

20MB

(2) 512K x 36

(2) 2M 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) 256K x 36

(2) 4M x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 1M x 36

(2) 4M 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) 256K x 36

(2) 8M x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

NONE

130MB

(2) 256K x 36

(2) 16M x 36

132MB

(2) 512K x 36

(2) 16M x 36

136MB

(2) 1M x 36

(2) 16M x 36

144MB

(2) 2M x 36

(2) 16M x 36

160MB

(2) 4M x 36

(2) 16M x 36

192MB

(2) 8M x 36

(2) 16M x 36

256MB

(2) 16M x 36

(2) 16M x 36

256MB

(2) 32M x 36

NONE

DRAM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

264MB

(2) 1M x 36

(2) 32M x 36

272MB

(2) 2M x 36

(2) 32M x 36

288MB

(2) 4M x 36

(2) 32M x 36

320MB

(2) 8M x 36

(2) 32M x 36

384MB

(2) 16M x 36

(2) 32M x 36

512MB

(2) 32M x 36

(2) 32M x 36

CACHE CONFIGURATION

Size

U23

U24

TAG

SL1

256KB

(1) 32K x 32

(1) 32K x 32

(1) 16K/32K/64K x 8

Not installed

512KB

(1) 32K x 32

(1) 32K x 32

NONE

Installed

CACHE JUMPER CONFIGURATION

Size

JP4

256KB

Open

512KB

Closed

CPU TYPE CONFIGURATION

Type

JP12

RS1

RS2

RS3

CXM1

Open

Not installed

Installed

Not installed

AM K5

Open

Not installed

Not installed

Installed

Pentium

Closed

Installed

Not installed

Not installed

CPU SPEED CONFIGURATION (INTEL PENTIUM ONLY)

Speed

JP13

JP18

JP19

JP31

75MHz

pins 1 & 2 closed

Open

Open

pins 1 & 2 closed

90MHz

pins 1 & 2 closed

Closed

Open

pins 1 & 2 closed

100MHz

pins 1 & 2 closed

Closed

Closed

pins 1 & 2 closed

120MHz

pins 2 & 3 closed

Closed

Open

pins 1 & 2 closed

133MHz

pins 2 & 3 closed

Closed

Closed

pins 1 & 2 closed

150MHz

pins 1 & 2 closed

Open

Open

pins 2 & 3 closed

180MHz

pins 1 & 2 closed

Closed

Open

pins 2 & 3 closed

CPU SPEED CONFIGURATION (CXM1 & AM K5 ONLY)

CPU type

Speed

JP13

JP31

CXM1

2.5x

pins 2 & 3 closed

pins 1 & 2 closed

CXM1

3x

pins 1 & 2 closed

pins 1 & 2 closed

AM K5

1x

pins 2 & 3 closed

pins 1 & 2 closed

AM K5

1.5x/2x/3x

pins 1 & 2 closed

pins 1 & 2 closed

CPU CLOCK SPEED CONFIGURATION (CXM1 & AM K5 ONLY)

Speed

JP18

JP19

50MHz

Open

Open

60MHz

Closed

Open

66MHz

Closed

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JP23

JP25

JP26

»

3.3v

Closed

Open

Open

»

3.45v

Open

Closed

Open

»

3.6v

Open

Open

Closed

DMA CONFIGURATION

DMA

JP8

JP9

»

DMA 1

pins 1 & 2 closed

pins 1 & 2 closed

»

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP1

JP2

JP3

CXM1

Closed

pins 2 & 3 closed

Closed

AM K5

Closed

pins 2 & 3 closed

Open

Pentium

Closed

pins 2 & 3 closed

Open

Note: These jumpers are located on the cache module.