BCM ADVANCED RESEARCH, INC.

SQ588

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

SIS

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512/1024KB

BIOS

AMI/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

J1

Standby connector

J18

Green PC connector

J5

Turbo LED

J20

Serial port 2

J6

IDE interface LED

J21

Floppy drive interface

J7

Power LED & keylock

J22

IDE interface 1

J8

Reset switch

J23

Serial port 1

J9

Speaker

J24

Parallel port

J10

32-bit PCI slots

PC1 – PC4

IDE interface 2

J11

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Flash BIOS normal operation

J12

Open

 

Flash BIOS programming mode

J12

Closed

»

CMOS memory normal operation

J27

Open

 

CMOS memory clear

J27

Closed

»

Factory configured - do not alter

J28

Open

»

Factory configured - do not alter

J30

Open

»

Factory configured - do not alter

JP1

Unidentified

 

IDE interface enabled

JP11

Open

 

IDE interface disabled

JP11

Closed

SIMM 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

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

20MB

(2) 512K x 36

(2) 2M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

80MB

(2) 2M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

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

SIMM JUMPER CONFIGURATION

Size

J26

Single sided

Pins 1 & 2 closed

Double sided

Pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 32K x 8

512KB

(8) 64K x 8

(1) 32K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J16

J17

256KB

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

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J13

J14

J15

J31

75MHz

50MHz

1.5x

Open

Open

Closed

1 & 2

90MHz

60MHz

1.5x

Closed

Open

Open

1 & 2

100MHz

66MHz

1.5x

Open

Closed

Open

2 & 3

Note: Pins designated should be in the closed position.