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54CMI REV. 1.0

ADVANCED INTEGRATION RESEARCH, INC.

54CMI REV. 1.0

Processor

Pentium Overdrive/Pentium

Processor Speed

75/90/100MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (3), 32-bit VESA local bus slots (2), floppy drive interface (2),

IDE interface, parallel port, serial ports (2), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Reset switch

J3

Serial port 2

CN2

External battery

J4

IDE interface

CN3

Turbo switch

J5

Parallel port

CN4

Turbo LED

J6

Floppy drive interface 2

CN5

IDE interface LED

J7

Floppy drive interface 1

CN6

Green PC feature connector

JP15

Power LED & keylock

J1

32-bit PCI bus slots

P1 - P3

Speaker

J2

32-bit VESA Local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Turbo mode enabled/flash BIOS programming disabled

J5

Closed

 

Turbo mode disabled/flash BIOS programming enabled

J5

Open

CMOS memory normal operation

JP14

Pins 2 & 3 closed

 

CMOS memory clear

JP14

Pins 1 & 2 closed

Parallel port IRQ select IRQ7

JP32

Pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP32

Pins 2 & 3 closed

On board PCI IDE enabled

JP35

Open

 

On board PCI IDE disabled

JP35

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

4MB

(2) 512K x 36

NONE

6MB

(2) 256K x 36

(2) 512K x 36

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

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) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

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) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

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

CACHE CONFIGURATION

Size

Bank 0

256KB

(8) 32K x 8

512KB

(8) 64K x 8

1MB

(8) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP4

JP5

256KB

Open

Open

512KB

Open

Closed

1MB

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JO1

JO2

JO3

75MHz

Open

Open

Closed

90MHz

Open

Closed

Open

100MHz

Closed

Closed

Open

FOUR FLOPPY DRIVE CONFIGURATION

All drives enabled

ECP mode enabled

JP29

JP30

JP31

Yes

No

Open

Open

Open

No

Yes, use DMA 3

Closed

1 & 2

1 & 2

No

Yes, use DMA 1

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

GREEN PC CONFIGURATION

Description

JP15

Can be used to control video card VSYNC. Connect to pin 12 on VGA feature connector.

Pin 1

Can be used to control video card HSYNC. Connect to pin 11 on VGA feature connector.

Pin 2

Enables or disables video signals. Connect this to pin 18 on VGA feature connector.

Pin 3