GMB-P56SPC (VER. 1.11) Motherboard Settings and Configuration

GEMLIGHT COMPUTER, LTD.

GMB-P56SPC (VER. 1.11)

Processor
CX M1/AM K5/Pentium
Processor Speed
75/90/100/120/133/150/166/180/200MHz
Chip Set
SIS
Video Chip Set
None
Maximum Onboard Memory
512MB (EDO supported)
Maximum Video Memory
None
Cache
256KB
BIOS
AMI/Award
Dimensions
270mm x 220mm
I/O Options
32-bit PCI slots (4), CD-ROM connectors (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, IR connectors (2), game interface
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Reset switch
J1
IDE interface 1
J17
Green PC LED
J2
IDE interface 2
J18
Green PC connector
J3
Serial port 1
J19
Speaker
J4
Serial port 2
J20
IDE interface LED
J5
Audio expansion interface
J21
Power LED & keylock
J6
Game interface
J23
IR connector
J12
PS/2 mouse interface
J28
CD-ROM connector (Panasonic/Mitsumi)
J13
VGA feature connector
J29
CD-ROM connector (Sony)
J14
IR connector
J33
Floppy drive interface
J15
32-bit PCI slots
PC1 - PC4
Parallel port
J16

Note: J21 may be a 2 x 8 connector on some board revisions.

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
CMOS memory normal operation
JP0
Pins 1 & 2 closed

CMOS memory clear
JP0
Pins 2 & 3 closed

Flash BIOS voltage select 12v
JP5
Pins 1 & 2 closed

Flash BIOS voltage select 5v
JP5
Pins 2 & 3 closed

Linear burst mode enabled (CX M1 only)
JP7
Closed

Linear burst mode disabled (all other CPU types)
JP7
Open

On board sound chip enabled
JP13
Closed

On board sound chip disabled
JP13
Open

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) 2M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 2M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
72MB
(2) 8M x 36
(2) 1M x 36
80MB
(2) 2M x 36
(2) 8M x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
136MB
(2) 16M x 36
(2) 1M x 36
144MB
(2) 16M x 36
(2) 2M x 36
160MB
(2) 16M x 36
(2) 4M x 36
192MB
(2) 16M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M x 36
256MB
(2) 32M x 36
None
264MB
(2) 32M x 36
(2) 1M x 36
272MB
(2) 32M x 36
(2) 2M x 36
288MB
(2) 32M x 36
(2) 4M x 36
320MB
(2) 32M x 36
(2) 8M x 36
384MB
(2) 32M x 36
(2) 16M x 36
512MB
(2) 32M x 36
(2) 32M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB
(2) 32K x 32
(1) 8K16K/32K x 8

CPU SPEED SELECTION (CYRIX)
CPU speed
Clock speed
Multiplier
JP2
JP3
S4
S5
S6
120MHz
50MHz
2x
1 & 2
2 & 3
Closed
Closed
Open
133MHz
55MHz
2x
1 & 2
2 & 3
Open
Open
Open
150MHz
60MHz
2x
1 & 2
2 & 3
Closed
Open
Open
166MHz
66MHz
3x
1 & 2
2 & 3
Open
Closed
Open
200MHz
66MHz
3x
1 & 2
2 & 3
Open
Open
Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)
CPU speed
Clock speed
Multiplier
JP2
JP3
S4
S5
S6
75MHz
50MHz
1.5x
1 & 2
1 & 2
Closed
Closed
Open
90MHz
60MHz
1.5x
1 & 2
1 & 2
Closed
Open
Open
100MHz
66MHz
1.5x
1 & 2
1 & 2
Open
Closed
Open
120MHz
60MHz
1.5x
1 & 2
1 & 2
Closed
Open
Open
133MHz
66MHz
2x
1 & 2
1 & 2
Open
Closed
Open
150MHz
66MHz
2x
1 & 2
2 & 3
Closed
Open
Open
166MHz
66MHz
2x
1 & 2
2 & 3
Open
Closed
Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
JP2
JP3
S4
S5
S6
75MHz
50MHz
1.5x
1 & 2
1 & 2
Closed
Closed
Open
90MHz
60MHz
1.5x
1 & 2
1 & 2
Closed
Open
Open
100MHz
66MHz
1.5x
1 & 2
1 & 2
Open
Closed
Open
120MHz
60MHz
2x
1 & 2
2 & 3
Closed
Open
Open
133MHz
66MHz
2x
1 & 2
2 & 3
Open
Closed
Open
150MHz
60MHz
2.5x
2 & 3
2 & 3
Closed
Open
Open
166MHz
66MHz
2.5x
2 & 3
2 & 3
Open
Closed
Open
180MHz
60MHz
3x
2 & 3
1 & 2
Closed
Open
Open
200MHz
66MHz
3x
2 & 3
1 & 2
Open
Closed
Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage
V core
JP1
S1
S2
S3
3.4v (single)
N/A
Closed
Closed
Closed
Closed
3.4v (dual)
2.9v
Closed
Open
Open
Open
3.5v (single)
N/A
Open
Closed
Closed
Closed

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book

GMB-P56SPC (VER. 1.11) Motherboard Settings and Configuration

Search

My Books

Discover

Processor	CX M1/AM K5/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200MHz
Chip Set	SIS
Video Chip Set	None
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	None
Cache	256KB
BIOS	AMI/Award
Dimensions	270mm x 220mm
I/O Options	32-bit PCI slots (4), CD-ROM connectors (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, IR connectors (2), game interface
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	IDE interface 1	J17
Green PC LED	J2	IDE interface 2	J18
Green PC connector	J3	Serial port 1	J19
Speaker	J4	Serial port 2	J20
IDE interface LED	J5	Audio expansion interface	J21
Power LED & keylock	J6	Game interface	J23
IR connector	J12	PS/2 mouse interface	J28
CD-ROM connector (Panasonic/Mitsumi)	J13	VGA feature connector	J29
CD-ROM connector (Sony)	J14	IR connector	J33
Floppy drive interface	J15	32-bit PCI slots	PC1 - PC4
Parallel port	J16
Note: J21 may be a 2 x 8 connector on some board revisions.

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP0	Pins 1 & 2 closed
	CMOS memory clear	JP0	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	JP5	Pins 1 & 2 closed
	Flash BIOS voltage select 5v	JP5	Pins 2 & 3 closed
	Linear burst mode enabled (CX M1 only)	JP7	Closed
	Linear burst mode disabled (all other CPU types)	JP7	Open
	On board sound chip enabled	JP13	Closed
	On board sound chip disabled	JP13	Open

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) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 2M x 36	(2) 8M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
136MB	(2) 16M x 36	(2) 1M x 36
144MB	(2) 16M x 36	(2) 2M x 36
160MB	(2) 16M x 36	(2) 4M x 36
192MB	(2) 16M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M x 36
256MB	(2) 32M x 36	None
264MB	(2) 32M x 36	(2) 1M x 36
272MB	(2) 32M x 36	(2) 2M x 36
288MB	(2) 32M x 36	(2) 4M x 36
320MB	(2) 32M x 36	(2) 8M x 36
384MB	(2) 32M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(2) 32K x 32	(1) 8K16K/32K x 8

CPU SPEED SELECTION (CYRIX)
CPU speed	Clock speed	Multiplier	JP2	JP3	S4	S5	S6
120MHz	50MHz	2x	1 & 2	2 & 3	Closed	Closed	Open
133MHz	55MHz	2x	1 & 2	2 & 3	Open	Open	Open
150MHz	60MHz	2x	1 & 2	2 & 3	Closed	Open	Open
166MHz	66MHz	3x	1 & 2	2 & 3	Open	Closed	Open
200MHz	66MHz	3x	1 & 2	2 & 3	Open	Open	Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)
CPU speed	Clock speed	Multiplier	JP2	JP3	S4	S5	S6
75MHz	50MHz	1.5x	1 & 2	1 & 2	Closed	Closed	Open
90MHz	60MHz	1.5x	1 & 2	1 & 2	Closed	Open	Open
100MHz	66MHz	1.5x	1 & 2	1 & 2	Open	Closed	Open
120MHz	60MHz	1.5x	1 & 2	1 & 2	Closed	Open	Open
133MHz	66MHz	2x	1 & 2	1 & 2	Open	Closed	Open
150MHz	66MHz	2x	1 & 2	2 & 3	Closed	Open	Open
166MHz	66MHz	2x	1 & 2	2 & 3	Open	Closed	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP2	JP3	S4	S5	S6
75MHz	50MHz	1.5x	1 & 2	1 & 2	Closed	Closed	Open
90MHz	60MHz	1.5x	1 & 2	1 & 2	Closed	Open	Open
100MHz	66MHz	1.5x	1 & 2	1 & 2	Open	Closed	Open
120MHz	60MHz	2x	1 & 2	2 & 3	Closed	Open	Open
133MHz	66MHz	2x	1 & 2	2 & 3	Open	Closed	Open
150MHz	60MHz	2.5x	2 & 3	2 & 3	Closed	Open	Open
166MHz	66MHz	2.5x	2 & 3	2 & 3	Open	Closed	Open
180MHz	60MHz	3x	2 & 3	1 & 2	Closed	Open	Open
200MHz	66MHz	3x	2 & 3	1 & 2	Open	Closed	Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	V core	JP1	S1	S2	S3
3.4v (single)	N/A	Closed	Closed	Closed	Closed
3.4v (dual)	2.9v	Closed	Open	Open	Open
3.5v (single)	N/A	Open	Closed	Closed	Closed