DATAEXPERT CORPORATION ====================== MLX8440 Device Type Mainboard Processor Pentium II/Celeron Processor Speed 233/266/300/333MHz Chip Set Intel 440LX Maximum Onboard 384MB (EDO & SDRAM supported) Memory Cache 0/128/256/512KB (located on the CPU) BIOS Award Dimensions 305mm x 180mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-----------------+-----------+------------------+-----------| | AGP slot | AGP | Green PC LED | J1/pins 7 | | | | | & 17 | |-----------------+-----------+------------------+-----------| | ATX power | ATX | Green PC | J1/pins 8 | | connector | | connector | & 18 | |-----------------+-----------+------------------+-----------| | Serial port 2 | CN1 | Soft off power | J1/pins 9 | | | | supply | & 19 | |-----------------+-----------+------------------+-----------| | Parallel port | CN2 | Reset switch | J1/pins | | | | | 10 & 20 | |-----------------+-----------+------------------+-----------| | PS/2 mouse port | CN3 | Speaker | J1/pins | | | | | 11 - 14 | |-----------------+-----------+------------------+-----------| | Serial port 1 | CN4 | IR connector | IR1 | |-----------------+-----------+------------------+-----------| | IDE interface 2 | CN5 | Chassis fan | J5 | | | | power | | |-----------------+-----------+------------------+-----------| | IDE interface 1 | CN6 | CPU fan power | JX1 | |-----------------+-----------+------------------+-----------| | Floppy drive | CN7 | Thermistor | RT1 | | interface | | connector | | |-----------------+-----------+------------------+-----------| | Power LED & | J1/pins 1 | 32-bit PCI slots | PC1 - PC4 | | keylock | - 5 | | | |-----------------+-----------+------------------+-----------| | IDE interface | J1/pins 6 | USB connector | USB | | LED | & 16 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIMM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 8MB | (1) 1M x 64 | None | None | |------------+---------------+---------------+---------------| | 16MB | (1) 2M x 64 | None | None | |------------+---------------+---------------+---------------| | 16MB | (1) 1M x 64 | (1) 1M x 64 | None | |------------+---------------+---------------+---------------| | 24MB | (1) 2M x 64 | (1) 1M x 64 | None | |------------+---------------+---------------+---------------| | 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 32MB | (1) 4M x 64 | None | None | |------------+---------------+---------------+---------------| | 32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 32MB | (1) 2M x 64 | (1) 2M x 64 | None | |------------+---------------+---------------+---------------| | 40MB | (1) 4M x 64 | (1) 1M x 64 | None | |------------+---------------+---------------+---------------| | 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 48MB | (1) 4M x 64 | (1) 2M x 64 | None | |------------+---------------+---------------+---------------| | 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 64MB | (1) 8M x 64 | None | None | |------------+---------------+---------------+---------------| | 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 64MB | (1) 4M x 64 | (1) 4M x 64 | None | |------------+---------------+---------------+---------------| | 72MB | (1) 8M x 64 | (1) 1M x 64 | None | |------------+---------------+---------------+---------------| | 72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 80MB | (1) 8M x 64 | (1) 2M x 64 | None | |------------+---------------+---------------+---------------| | 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 96MB | (1) 8M x 64 | (1) 4M x 64 | None | |------------+---------------+---------------+---------------| | 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIMM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 104MB | (1) 8M x 64 | (1) 4M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 128MB | (1) 16M x 64 | None | None | |------------+---------------+---------------+---------------| | 128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 | |------------+---------------+---------------+---------------| | 128MB | (1) 8M x 64 | (1) 8M x 64 | None | |------------+---------------+---------------+---------------| | 136MB | (1) 16M x 64 | (1) 1M x 64 | None | |------------+---------------+---------------+---------------| | 136MB | (1) 8M x 64 | (1) 8M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 144MB | (1) 16M x 64 | (1) 2M x 64 | None | |------------+---------------+---------------+---------------| | 144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 160MB | (1) 16M x 64 | (1) 4M x 64 | None | |------------+---------------+---------------+---------------| | 160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 | |------------+---------------+---------------+---------------| | 168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 | |------------+---------------+---------------+---------------| | 192MB | (1) 16M x 64 | (1) 8M x 64 | None | |------------+---------------+---------------+---------------| | 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 | |------------+---------------+---------------+---------------| | 200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 | |------------+---------------+---------------+---------------| | 208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 | |------------+---------------+---------------+---------------| | 224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 | |------------+---------------+---------------+---------------| | 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 | |------------+---------------+---------------+---------------| | 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 | |------------------------------------------------------------| | Note: Board accepts EDO & SDRAM memory. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Note: 256KB/512KB cache is located on the Pentium II CPU. | | 128KB cache is located on the Celeron 300A & 333 CPU. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | CPU speed | Clock | Multiplier | JPXA | JPXB | JPXC | | | speed | | | | | |------------+----------+------------+-------+-------+-------| | 233MHz | 66MHz | 3.5x | 2 & 3 | 2 & 3 | 2 & 3 | |------------+----------+------------+-------+-------+-------| | 266MHz | 66MHz | 4x | 2 & 3 | 2 & 3 | 2 & 3 | |------------+----------+------------+-------+-------+-------| | 300MHz | 66MHz | 4.5x | 2 & 3 | 2 & 3 | 2 & 3 | |------------+----------+------------+-------+-------+-------| | 333MHz | 66MHz | 5x | 2 & 3 | 2 & 3 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (CON'T) | |------------------------------------------------------------| |CPU speed|Clock speed|Multiplier| JP1A | JP1B | JP1C | JP1D | |---------+-----------+----------+------+------+------+------| | 233MHz | 66MHz | 3.5x | Open | Open |Closed|Closed| |---------+-----------+----------+------+------+------+------| | 266MHz | 66MHz | 4x |Closed|Closed| Open |Closed| |---------+-----------+----------+------+------+------+------| | 300MHz | 66MHz | 4.5x | Open |Closed| Open |Closed| |---------+-----------+----------+------+------+------+------| | 333MHz | 66MHz | 5x |Closed| Open | Open |Closed| +------------------------------------------------------------+