Bcm Advanced Research, Inc. SQ593 Motherboard + CPU + Ram

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Speaker

J1 pins 10 – 13

Serial port 2

CN2

IDE interface LED

J1 pins 14 – 17

Parallel port

CN3

Green PC LED

J1 pins 19 & 20

Floppy drive interface

CN4

Power LED & keylock

J1 pins 22 – 26

IDE interface 2

CN5

Fast IR connector

J24

IDE interface 1

CN6

IR connector

J25

PS/2 mouse port

CN7

USB connector 2

J34

PS/2 mouse interface

CN8

USB connector 1

J35

Reset switch

J1 pins 1 & 2

32-bit PCI slots

PC1 – PC3

Turbo LED

J1 pins 4 & 5

Cache slot

SL1

Green PC connector

J1 pins 7 & 8

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP3

Open

CMOS memory clear

JP3

Closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M 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

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

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

CACHE CONFIGURATION

Size

Bank 0

SL1

256KB

(2) 32K x 32

Not installed

512KB

(2) 32K x 32

256KB module installed

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP7

JP8

JP9

JP10

75MHz

50MHz

1.5x

Closed

Closed

1 & 2

1 & 2

90MHz

60MHz

1.5x

Open

Closed

1 & 2

1 & 2

100MHz

66MHz

1.5x

Closed

Open

1 & 2

1 & 2

120MHz

60MHz

2x

Open

Closed

2 & 3

1 & 2

133MHz

66MHz

2x

Closed

Open

2 & 3

1 & 2

150MHz

60MHz

2.5x

Open

Closed

2 & 3

2 & 3

166MHz

66MHz

2.5x

Closed

Open

2 & 3

2 & 3

180MHz

60MHz

3x

Open

Closed

1 & 2

2 & 3

200MHz

66MHz

3x

Closed

Open

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (INTEL)

Voltage

JP1

JP2

JP11

2.5v

Closed

Open

Closed

2.8v

Closed

Open

Open

3.135v – 3.6v

Closed

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

3.4v – 3.6v

Open

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

Note: Pins designated should be in the closed position.