PM-7500C Motherboard Settings and Configuration

AMPTRON INTERNATIONAL, INC.

PM-7500C

Processor
Pentium
Processor Speed
75/90/100/120/133MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 2
CN1
Chassis fan power
J23
Serial port 1
CN2
Speaker
JP25
Floppy drive interface
CN3
Power LED & keylock
JP26
Parallel port
CN4
Reset switch
JP27
IDE interface 2
CN5
IDE interface LED
JP28
IDE interface 1
CN6
32-bit PCI slots
PC1 – PC3
External battery
J4

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
CMOS memory normal operation
J4
Pins 2 & 3 closed

CMOS memory clear
J4
Pins 3 & 4 closed

Battery type select external
J4
Closed

Flash BIOS voltage select 12v
JP4
Closed

Flash BIOS voltage select 5v
JP4
Open
»
Factory configured - do not alter
JP9
Unidentified
»
Factory configured - do not alter
JP10
Unidentified

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) 4M x 36
(2) 2M 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) 8M x 36
(2) 2M x 36
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
Note: Board accepts EDO memory. The location of the banks is unidentified.

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB
(8) 32K x 8
(1) 8K/16K/32K x 8
512KB
(8) 64K x 8
(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION
Size
J9
256KB
Pins 1 & 2 closed
512KB
Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION
Voltage
J10
3.3v
Pins 1 & 2 closed
5v
Pins 2 & 3 closed

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
JP3
JP5A
JP5B
JP11A
JP11B
75MHz
50MHz
1.5x
1 & 2
Closed
Closed
Open
Open
90MHz
60MHz
1.5x
2 & 3
Open
Closed
Open
Open
100MHz
66MHz
1.5x
2 & 3
Closed
Open
Open
Open
120MHz
60MHz
2x
2 & 3
Open
Closed
Closed
Open
133MHz
66MHz
2x
2 & 3
Closed
Open
Closed
Open
Note: Pins designated should be in the closed position. The orientation of A & B on JP11 is unidentified.

CPU VOLTAGE SELECTION
Voltage
JP6
3.3v
Pins 2 & 3 closed
3.5v
Pins 1 & 2 closed

DMA CHANNEL SELECTION
Channel
JP1
JP2
1
Pins 1 & 2 closed
Pins 1 & 2 closed
2
Pins 2 & 3 closed
Pins 2 & 3 closed

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PM-7500C Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/90/100/120/133MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	CN1	Chassis fan power	J23
Serial port 1	CN2	Speaker	JP25
Floppy drive interface	CN3	Power LED & keylock	JP26
Parallel port	CN4	Reset switch	JP27
IDE interface 2	CN5	IDE interface LED	JP28
IDE interface 1	CN6	32-bit PCI slots	PC1 – PC3
External battery	J4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	J4	Pins 2 & 3 closed
	CMOS memory clear	J4	Pins 3 & 4 closed
	Battery type select external	J4	Closed
	Flash BIOS voltage select 12v	JP4	Closed
	Flash BIOS voltage select 5v	JP4	Open
»	Factory configured - do not alter	JP9	Unidentified
»	Factory configured - do not alter	JP10	Unidentified

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) 4M x 36	(2) 2M 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) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Board accepts EDO memory. The location of the banks is unidentified.

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(8) 32K x 8	(1) 8K/16K/32K x 8
512KB	(8) 64K x 8	(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION
Size	J9
256KB	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION
Voltage	J10
3.3v	Pins 1 & 2 closed
5v	Pins 2 & 3 closed

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP3	JP5A	JP5B	JP11A	JP11B
75MHz	50MHz	1.5x	1 & 2	Closed	Closed	Open	Open
90MHz	60MHz	1.5x	2 & 3	Open	Closed	Open	Open
100MHz	66MHz	1.5x	2 & 3	Closed	Open	Open	Open
120MHz	60MHz	2x	2 & 3	Open	Closed	Closed	Open
133MHz	66MHz	2x	2 & 3	Closed	Open	Closed	Open
Note: Pins designated should be in the closed position. The orientation of A & B on JP11 is unidentified.

CPU VOLTAGE SELECTION
Voltage	JP6
3.3v	Pins 2 & 3 closed
3.5v	Pins 1 & 2 closed

DMA CHANNEL SELECTION
Channel	JP1	JP2
1	Pins 1 & 2 closed	Pins 1 & 2 closed
2	Pins 2 & 3 closed	Pins 2 & 3 closed