P55CMA, P55CMS (REV. 2.0) Motherboard Settings and Configuration

SUPER MICRO

P55CMA, P55CMS (REV. 2.0)

Processor
Pentium
Processor Speed
75/90/100/120/133/150/166MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
PS/2 mouse port, parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), cache slot, VRM connector, Legacy connector, IR connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
VRM connector
J1
External battery
JP30
Chassis fan power
J18
Turbo LED
JP32
Power LED & keylock
J32
IR connector
JP68
IDE interface LED
J34
Serial port 2
JS1
Reset switch
J35
Serial port 1
JS2
Speaker
J39
Parallel port
JS3
IDE interface 1
J70
Floppy drive interface
JS4
IDE interface 2
J71
32-bit PCI slots
PC1 - PC4
Legacy connector
J85
Cache slot
SL1
PS/2 mouse port
J96

Note: J18 may not be present on all boards.

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Factory configured - do not alter
J28
Closed
»
Factory configured - do not alter
J37
Pins 1 & 2 closed
»
Factory configured - do not alter
J41
Unidentified
»
CMOS memory normal operation
J42
Pins 1 & 2 closed

CMOS memory clear
J42
Pins 2 & 3 closed
»
Factory configured - do not alter
J43
Open
»
ISA CLCK = PCI CLCK/4
J67
Pins 2 & 3 closed

ISA CLCK = PCI CLCK/3
J67
Pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 32
None
16MB
(2) 2M x 32
None
16MB
(2) 1M x 32
(2) 1M x 32
24MB
(2) 1M x 32
(2) 2M x 32
32MB
(2) 4M x 32
None
32MB
(2) 2M x 32
(2) 2M x 32
40MB
(2) 1M x 32
(2) 4M x 32
48MB
(2) 2M x 32
(2) 4M x 32
64MB
(2) 8M x 32
None
64MB
(2) 4M x 32
(2) 4M x 32
72MB
(2) 1M x 32
(2) 8M x 32
80MB
(2) 2M x 32
(2) 8M x 32
96MB
(2) 4M x 32
(2) 8M x 32
128MB
(2) 8M x 32
(2) 8M x 32
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size
SL1
256KB
256KB module installed
512KB
512KB module installed

CPU SPEED SELECTION
Speed
J27
J29
J31
J40
75MHz
Open
Closed
Closed
Open
90MHz
Open
Closed
Open
Open
100MHz
Open
Open
Closed
Open
120MHz
Closed
Closed
Open
Open
133MHz
Closed
Open
Closed
Open
150MHz
Closed
Open
Closed
Closed
166MHz
Closed
Open
Closed
Closed

CPU VOLTAGE SELECTION
Voltage
JP11
3.3v
Pins 2 & 3 closed
3.4v
Open
3.5v
Pins 1 & 2 closed

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P55CMA, P55CMS (REV. 2.0) Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/90/100/120/133/150/166MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	PS/2 mouse port, parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), cache slot, VRM connector, Legacy connector, IR connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VRM connector	J1	External battery	JP30
Chassis fan power	J18	Turbo LED	JP32
Power LED & keylock	J32	IR connector	JP68
IDE interface LED	J34	Serial port 2	JS1
Reset switch	J35	Serial port 1	JS2
Speaker	J39	Parallel port	JS3
IDE interface 1	J70	Floppy drive interface	JS4
IDE interface 2	J71	32-bit PCI slots	PC1 - PC4
Legacy connector	J85	Cache slot	SL1
PS/2 mouse port	J96
Note: J18 may not be present on all boards.

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J28	Closed
»	Factory configured - do not alter	J37	Pins 1 & 2 closed
»	Factory configured - do not alter	J41	Unidentified
»	CMOS memory normal operation	J42	Pins 1 & 2 closed
	CMOS memory clear	J42	Pins 2 & 3 closed
»	Factory configured - do not alter	J43	Open
»	ISA CLCK = PCI CLCK/4	J67	Pins 2 & 3 closed
	ISA CLCK = PCI CLCK/3	J67	Pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 32	None
16MB	(2) 2M x 32	None
16MB	(2) 1M x 32	(2) 1M x 32
24MB	(2) 1M x 32	(2) 2M x 32
32MB	(2) 4M x 32	None
32MB	(2) 2M x 32	(2) 2M x 32
40MB	(2) 1M x 32	(2) 4M x 32
48MB	(2) 2M x 32	(2) 4M x 32
64MB	(2) 8M x 32	None
64MB	(2) 4M x 32	(2) 4M x 32
72MB	(2) 1M x 32	(2) 8M x 32
80MB	(2) 2M x 32	(2) 8M x 32
96MB	(2) 4M x 32	(2) 8M x 32
128MB	(2) 8M x 32	(2) 8M x 32
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size	SL1
256KB	256KB module installed
512KB	512KB module installed

CPU SPEED SELECTION
Speed	J27	J29	J31	J40
75MHz	Open	Closed	Closed	Open
90MHz	Open	Closed	Open	Open
100MHz	Open	Open	Closed	Open
120MHz	Closed	Closed	Open	Open
133MHz	Closed	Open	Closed	Open
150MHz	Closed	Open	Closed	Closed
166MHz	Closed	Open	Closed	Closed

CPU VOLTAGE SELECTION
Voltage	JP11
3.3v	Pins 2 & 3 closed
3.4v	Open
3.5v	Pins 1 & 2 closed