NIAGARA SMD TECHNOLOGY, INC. ============================ NT928 S4 Processor Pentium Processor Speed 75/90/100/120/133/150/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), SCSI connectors (2), parallel port, PS/2 mouse interface, serial ports (2), VRM connector, cache slot, IR connector NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |--------------------+----------+-------------------+--------| | Reset switch | CN4 pins | Wide SCSI-2 | J8 | | | 1 & 2 | connector | | |--------------------+----------+-------------------+--------| | Turbo switch | CN4 pins | Parallel port | J9 | | | 3 & 4 | | | |--------------------+----------+-------------------+--------| | Green PC connector | CN4 pins | Fast SCSI-2 | J10 | | | 6 & 7 | connector | | |--------------------+----------+-------------------+--------| | Turbo LED | CN4 pins | SCSI interface | J11 | | | 8 & 9 | LED | | |--------------------+----------+-------------------+--------| | Speaker | CN4 pins | Serial port | J12 | | | 11 - 14 | | | |--------------------+----------+-------------------+--------| | Power LED & | CN4 pins | Serial port | J13 | | keylock | 16 - 20 | | | |--------------------+----------+-------------------+--------| | IDE interface | CN5 | IDE interface LED | J14 | |--------------------+----------+-------------------+--------| | IDE interface | CN6 | VRM connector | J15 | |--------------------+----------+-------------------+--------| | Chassis fan power | CN7 | PS/2 mouse | J22 | | | | interface | | |--------------------+----------+-------------------+--------| | IR connector | J6 | 32-bit PCI slots | PC1 - | | | | | PC3 | |--------------------+----------+-------------------+--------| | Floppy drive | J7 | Cache slot | SL1 | | interface | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |------------------------------------+-------+---------------| |>> | Parallel IOCHRDY enabled | JP5 | Pins 1 & 2 | | | | | closed | |---+--------------------------------+-------+---------------| | | Parallel IOCHRDY disabled | JP5 | Open | |---+--------------------------------+-------+---------------| |>> | Parallel port IRQ select IRQ7 | JP8 | Pins 1 & 2 | | | | | closed | |---+--------------------------------+-------+---------------| | | Parallel port IRQ select IRQ5 | JP8 | Pins 2 & 3 | | | | | closed | |---+--------------------------------+-------+---------------| |>> | On board I/O enabled | JP9 | Open | |---+--------------------------------+-------+---------------| | | On board I/O disabled | JP9 | Closed | |---+--------------------------------+-------+---------------| | | SCSI chip enabled | JP10 | Pins 1 & 2 | | | | | closed | |---+--------------------------------+-------+---------------| | | SCSI chip disabled | JP10 | Pins 2 & 3 | | | | | closed | |---+--------------------------------+-------+---------------| | | Flash BIOS voltage select 12v | JP20 | Pins 1 & 2, 5 | | | | | & 6 closed | |---+--------------------------------+-------+---------------| | | Flash BIOS voltage select 5v | JP20 | Pins 2 & 3, 5 | | | | | & 6 closed | |---+--------------------------------+-------+---------------| | | Flash BIOS or EPROM installed | JP20 | Pins 2 & 3, 4 | | | | | & 5 closed | |---+--------------------------------+-------+---------------| |>> | Jumper information unavailable | JP25 | N/A | |---+--------------------------------+-------+---------------| |>> | SCSI type select SCSI - 2 | JP26 | Open | |---+--------------------------------+-------+---------------| | | SCSI type select wide SCSI - 2 | JP26 | Closed | |---+--------------------------------+-------+---------------| |>> | Jumper information unavailable | JP42 | N/A | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |------------------+--------------------+--------------------| | 24MB | (2) 1M x 36 | (2) 2M 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |--------------+------------------------+--------------------| | 40MB | (2) 1M x 36 | (2) 4M x 36 | |--------------+------------------------+--------------------| | 48MB | (2) 4M x 36 | (2) 2M x 36 | |--------------+------------------------+--------------------| | 48MB | (2) 2M x 36 | (2) 4M 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 | |--------------+------------------------+--------------------| | 72MB | (2) 1M x 36 | (2) 8M x 36 | |--------------+------------------------+--------------------| | 80MB | (2) 8M x 36 | (2) 2M x 36 | |--------------+------------------------+--------------------| | 80MB | (2) 2M x 36 | (2) 8M x 36 | |--------------+------------------------+--------------------| | 96MB | (2) 8M x 36 | (2) 4M x 36 | |--------------+------------------------+--------------------| | 96MB | (2) 4M x 36 | (2) 8M x 36 | |--------------+------------------------+--------------------| | 128MB | (2) 8M x 36 | (2) 8M x 36 | |------------------------------------------------------------| | Note: Board accepts EDO memory. The orientation of the | | banks is unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | SL1 | |-----------+-----------+-----------+-----------+------------| | 256KB (A) | (4) 32K x | (4) 32K x | (1) 8K x | Not | | | 8 | 8 | 8 | installed | |-----------+-----------+-----------+-----------+------------| | 256KB (B) | None | None | None | Installed | |-----------+-----------+-----------+-----------+------------| | 512KB (A) | (4) 64K x | (4) 64K x | (1) 16K x | Not | | | 8 | 8 | 8 | installed | |-----------+-----------+-----------+-----------+------------| | 512KB (B) | None | None | None | Installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP29 | |----------------------------+-------------------------------| | None | Open | |----------------------------+-------------------------------| | 256KB (A) | Pins 1 & 2 closed | |----------------------------+-------------------------------| | 512KB (A) | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP34 | JP35 | |------------------+--------------------+--------------------| | Asynchronous | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | Burst | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | Pipeline burst | Pins 1 & 2 closed | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | JP14 | |----------------------------+-------------------------------| | 75MHz | Pins 1 & 2 closed | |----------------------------+-------------------------------| | 90MHz | Pins 3 & 4 closed | |----------------------------+-------------------------------| | 100MHz | Pins 5 & 6 closed | |----------------------------+-------------------------------| | 120MHz | Pins 7 & 8 closed | |----------------------------+-------------------------------| | 133MHz | Pins 9 & 10 closed | |----------------------------+-------------------------------| | 150MHz | Pins 11 & 12 closed | |----------------------------+-------------------------------| | 180MHz | Pins 13 & 14 closed | |----------------------------+-------------------------------| | 200MHz | Pins 15 & 16 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP16 | |----------------------------+-------------------------------| | P54C/CS/CT | Pins 1 & 2 closed | |----------------------------+-------------------------------| | P55C/CT | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP43 | JP44 | JP45 | |----------------+--------------+--------------+-------------| | | 3.4v | Open | Open | Closed | |---+------------+--------------+--------------+-------------| |>> | 3.5v | Open | Closed | Open | |---+------------+--------------+--------------+-------------| | | 3.6v | Closed | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VRM SELECTION | |------------------------------------------------------------| | Setting | JP39 | JP40 | JP41 | |-------------------+-------------+-------------+------------| | VRM not installed | Closed | Closed | Closed | |-------------------+-------------+-------------+------------| | VRM installed | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CHANNEL SELECTION | |------------------------------------------------------------| | Channel | JP3 | JP4 | |------------------+--------------------+--------------------| | | 1 | Pins 1 & 2 closed | Pins 1 & 2 closed | |----+-------------+--------------------+--------------------| |>> | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JP1 | JP2 | JP6 | JP7 | |------------+-----------+-----------+-----------+-----------| | IRQ3 | Pins 1 & | N/A | N/A | N/A | | (serial | 2 closed | | | | | port 2) | | | | | |------------+-----------+-----------+-----------+-----------| | IRQ4 | N/A | Pins 2 & | N/A | N/A | | (serial | | 3 closed | | | | port 1) | | | | | |------------+-----------+-----------+-----------+-----------| | IRQ10 | N/A | N/A | Pins 2 & | N/A | | (serial | | | 3 closed | | | port 1) | | | | | |------------+-----------+-----------+-----------+-----------| | IRQ10 | N/A | N/A | Pins 1 & | N/A | | (serial | | | 2 closed | | | port 2) | | | | | |------------+-----------+-----------+-----------+-----------| | IRQ11 | N/A | N/A | N/A | Pins 2 & | | (serial | | | | 3 closed | | port 1) | | | | | |------------+-----------+-----------+-----------+-----------| | IRQ11 | N/A | N/A | N/A | Pins 1 & | | (serial | | | | 2 closed | | port 2) | | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDE INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JP11 | JP12 | |--------------------+-------------------+-------------------| | IRQ14 (primary) | Pins 1 & 2 closed | N/A | |--------------------+-------------------+-------------------| | IRQ15 (secondary) | N/A | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | TERMINATION SELECTION | |------------------------------------------------------------| | Setting | JP13 | |-------------------------------+----------------------------| | Terminator always on | Pins 1 & 2 closed | |-------------------------------+----------------------------| | Terminator always off | Open | |-------------------------------+----------------------------| | Terminator controlled by BIOS | Pins 2 & 3 closed | +------------------------------------------------------------+