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  |