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SQ588

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.