SQ588 Motherboard Settings and Configuration

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.

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SQ588 Motherboard Settings and Configuration

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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.