AMPTRON INTERNATIONAL, INC.
PII-2100
PII-2100 M715 Motherboard
| Device Type | Mainboard |
| Processor | Pentium II |
| Processor Speed | 233/266/300/333/366MHz |
| Chip Set | Intel 440LX |
| Maximum Onboard Memory | 256MB (EDO & SDRAM supported) |
| Audio Chip Set | Unidentified |
| Cache | 256/512KB (located on Pentium II CPU) |
| BIOS | AMI |
| Dimensions | 220mm x 220mm |
| I/O Options | 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), ATX power connector, AGP slot, audio in – CD-ROMs (2) |

CONNECTIONS
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location |
| AGP slot | AGP | ATX form card connector | J3 |
| ATX power connector | ATX | Speaker | J5/pins 1/3/5/7 |
| Audio in – CD-ROM | CD1 | Power LED & keylock | J5/pins 2/4/6/8/10 |
| Audio in – CD-ROM | CD2 | IDE interface LED | J5/pins 15 & 16 |
| Serial port 1 | CN1 | Reset switch | J5/pins 17 & 18 |
| Serial port 2 | CN2 | Chassis fan power | J6 |
| Parallel port | CN3 | CPU fan power | J7 |
| Floppy drive interface | CN4 | Sound/game connector | J9 |
| IDE interface 2 | CN5 | Digital audio out | J10 |
| IDE interface 1 | CN6 | Digital audio in | J11 |
| PS/2 mouse port | CN7 | 32-bit PCI slots | PC1 – PC3 |
| PS/2 mouse interface | J1 |
USER CONFIGURABLE SETTINGS
| Function | Label | Position | |
| » | On board sound enabled | JP1 | Pins 2 & 3 closed |
| On board sound disabled | JP1 | Pins 1 & 2 closed | |
| » | Microphone type select standard | JP2 | Open |
| Microphone type select special | JP2 | Closed | |
| » | CMOS memory normal operation | JP4 | Pins 1 & 2 closed |
| CMOS memory clear | JP4 | Pins 2 & 3 closed | |
SIMM 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.
DIMM CONFIGURATION
| Size | Bank 2 | Bank 3 |
| 8MB | (1) 1M x 64 | None |
| 16MB | (1) 2M x 64 | None |
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
| 32MB | (1) 4M x 64 | None |
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
| 64MB | (1) 8M x 64 | None |
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
| 128MB | (1) 16M x 64 | None |
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
Note: Board accepts SDRAM memory.
| DIMM VOLTAGE CONFIGURATION | |||
| Voltage | JP3A | JP3B | |
| » | 3.3v | Pins 2 & 3 closed | Pins 2 & 3 closed |
| 5v | Pins 1 & 2 closed | Pins 1 & 2 closed | |
| CACHE CONFIGURATION |
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
| CPU SPEED SELECTION | ||||
| CPU speed | Clock speed | Multiplier | JP5/pins 1 & 2 | JP5/pins 3 & 4 |
| 233MHz | 66MHz | 3.5x | Open | Closed |
| 266MHz | 66MHz | 4x | Closed | Closed |
| 300MHz | 66MHz | 4.5x | Open | Closed |
| 333MHz | 66MHz | 5x | Closed | Closed |
| 366MHz | 66MHz | 5.5x | Open | Closed |
CPU SPEED SELECTION (CON’T)
| CPU speed | Clock speed | Multiplier | JP5/pins 5 & 6 | JP5/pins 7 & 8 |
| 233MHz | 66MHz | 3.5x | Closed | Closed |
| 266MHz | 66MHz | 4x | Open | Closed |
| 300MHz | 66MHz | 4.5x | Open | Closed |
| 333MHz | 66MHz | 5x | Open | Closed |
| 366MHz | 66MHz | 5.5x | Open | Closed |



















