AMPTRON INTERNATIONAL, INC.
PM-7400
Processor | CX M1/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/180/200MHz |
Chip Set | OPTI |
Video Chip Set | None |
Maximum Onboard Memory | 256MB (EDO supported) |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | Award |
Dimensions | 260mm x 220mm |
I/O Options | 32-bit PCI slots (3), floppy drive interface, EIDE interfaces (2), parallel port, serial ports (2), cache slot, VRM connector |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 1 | CN1 | Speaker | J5C |
Serial port 2 | CN2 | Reset switch | J5D |
Parallel port | CN3 | IDE interface LED | J5E |
Floppy drive interface | CN4 | Turbo switch | J5F |
EIDE interface 2 | CN5 | Turbo LED | J5G |
EIDE interface 1 | CN6 | 32-bit PCI slots | PC1 - PC3 |
External battery | J5A | Cache slot | SL1 |
Power LED & keylock | J5B | VRM connector | VRM |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | CMOS memory normal operation | J5A | Pins 2 & 3 closed |
CMOS memory clear | J5A | Pins 3 & 4 closed | |
Battery type select external | J5A | Closed | |
» | Flash BIOS voltage select EPROM | JP1 | Open |
Flash BIOS voltage select 12v | JP1 | Pins 1 & 2 closed | |
Flash BIOS voltage select 5v | JP1 | Pins 2 & 3 closed | |
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 |
128MB | (2) 16M x 36 | None |
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 |
Note: Board accepts EDO memory. | ||
CACHE CONFIGURATION | |
Size | SL1 |
256KB | 256KB module installed |
512KB | 512KB module installed |
CPU SPEED SELECTION (CYRIX, CYXXXX CLOCK) | ||||||
CPU speed | Clock speed | Multiplier | JP3A | JP3B | JP4A | JP4B |
100MHz | 66MHz | 2x | Closed | Closed | Open | Closed |
120MHz | 60MHz | 2x | Open | Closed | Open | Closed |
CPU SPEED SELECTION (AMD, CYXXXX CLOCK) | ||||||
CPU speed | Clock speed | Multiplier | JP3A | JP3B | JP4A | JP4B |
100MHz | 66MHz | 1.5x | Closed | Open | Open | Open |
CPU SPEED SELECTION (INTEL, CYXXXX CLOCK) | ||||||
CPU speed | Clock speed | Multiplier | JP3A | JP3B | JP4A | JP4B |
75MHz | 50MHz | 1.5x | Closed | Closed | Open | Open |
90MHz | 60MHz | 1.5x | Open | Closed | Open | Open |
100MHz | 66MHz | 1.5x | Closed | Open | Open | Open |
120MHz | 60MHz | 2x | Open | Closed | Open | Closed |
133MHz | 66MHz | 2x | Closed | Open | Open | Closed |
150MHz | 60MHz | 2.5x | Open | Closed | Closed | Closed |
166MHz | 66MHz | 2.5x | Closed | Open | Closed | Closed |
180MHz | 60MHz | 3x | Open | Closed | Closed | Open |
200MHz | 66MHz | 3x | Closed | Open | Closed | Open |
CPU SPEED SELECTION (CYRIX, WXXXX CLOCK) | ||||||
CPU speed | Clock speed | Multiplier | JP3A | JP3B | JP4A | JP4B |
100MHz | 66MHz | 2x | Closed | Closed | Open | Closed |
120MHz | 60MHz | 2x | Closed | Open | Open | Closed |
CPU SPEED SELECTION (AMD, WXXXX CLOCK) | ||||||
CPU speed | Clock speed | Multiplier | JP3A | JP3B | JP4A | JP4B |
100MHz | 66MHz | 1.5x | Open | Closed | Open | Open |
CPU SPEED SELECTION (INTEL, WXXXX CLOCK) | ||||||
CPU speed | Clock speed | Multiplier | JP3A | JP3B | JP4A | JP4B |
75MHz | 50MHz | 1.5x | Closed | Closed | Open | Open |
90MHz | 60MHz | 1.5x | Closed | Open | Open | Open |
100MHz | 66MHz | 1.5x | Open | Closed | Open | Open |
120MHz | 60MHz | 2x | Closed | Open | Open | Closed |
133MHz | 66MHz | 2x | Open | Closed | Open | Closed |
150MHz | 60MHz | 2.5x | Closed | Open | Closed | Closed |
166MHz | 66MHz | 2.5x | Open | Closed | Closed | Closed |
180MHz | 60MHz | 3x | Closed | Open | Closed | Open |
200MHz | 66MHz | 3x | Open | Closed | Closed | Open |
CPU VOLTAGE SELECTION | ||
Voltage | JP2 | |
3.3v | Pins 2 & 3 closed | |
| » | 3.5v | Pins 1 & 2 closed |