NIAGARA SMD TECHNOLOGY, INC. ============================ NT924 (REV. 2) Processor AM K5/CX M1/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Maximum Onboard 128MB Memory Cache 256/512KB BIOS Award/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |----------------------+-------+--------------------+--------| | IDE interface 1 | IDE1 | IDE interface LED | J13 | |----------------------+-------+--------------------+--------| | IDE interface 2 | IDE2 | Green PC LED | J14 | |----------------------+-------+--------------------+--------| | PS/2 mouse interface | J3 | Turbo LED | J15 | |----------------------+-------+--------------------+--------| | Serial port 1 | J4 | Reset switch | J16 | |----------------------+-------+--------------------+--------| | Serial port 2 | J6 | Speaker | J17 | |----------------------+-------+--------------------+--------| | Floppy drive | J7 | Power LED & | J18 | | interface | | keylock | | |----------------------+-------+--------------------+--------| | Parallel port | J8 | IR connector | JP2 | |----------------------+-------+--------------------+--------| | Chassis fan power | J9 | 32-bit PCI slots | PC1 - | | | | | PC4 | |----------------------+-------+--------------------+--------| | Green PC connector | J12 | Cache slot | SL1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |---------------------------------------+-------+------------| | | Keyboard clock select depends on | JP4 | Pins 1 & 2 | | | ISA clock | | closed | |---+-----------------------------------+-------+------------| | | Keyboard clock select set at | JP4 | Pins 2 & 3 | | | 12MHz | | closed | |---+-----------------------------------+-------+------------| | | BIOS type select normal operation | JP6 | Pins 1 & 2 | | | | | closed | |---+-----------------------------------+-------+------------| | | BIOS type select flash mode | JP6 | Pins 2 & 3 | | | | | closed | |---+-----------------------------------+-------+------------| |>> | Flash BIOS voltage select 5v | JP7 | Pins 1 & 2 | | | | | closed | |---+-----------------------------------+-------+------------| | | Flash BIOS voltage select 12v | JP7 | Pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 8MB | (2) 1M x 32 | None | |------------------+--------------------+--------------------| | 8MB | (2) 512K x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 10MB | (2) 1M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 10MB | (2) 256K x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 12MB | (2) 1M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 12MB | (2) 512K x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 16MB | (2) 2M x 32 | None | |------------------+--------------------+--------------------| | 16MB | (2) 1M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 18MB | (2) 2M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 18MB | (2) 256K x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 20MB | (2) 2M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 20MB | (2) 512K x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 24MB | (2) 2M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 24MB | (2) 1M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 32MB | (2) 4M x 32 | None | |------------------+--------------------+--------------------| | 32MB | (2) 2M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 34MB | (2) 4M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 34MB | (2) 256K x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 36MB | (2) 4M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 36MB | (2) 512K x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 40MB | (2) 4M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 40MB | (2) 1M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 48MB | (2) 4M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 48MB | (2) 2M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 64MB | (2) 8M x 32 | None | |------------------+--------------------+--------------------| | 64MB | (2) 4M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 66MB | (2) 8M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 66MB | (2) 256K x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 68MB | (2) 8M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 68MB | (2) 512K x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 72MB | (2) 8M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 72MB | (2) 1M x 32 | (2) 8M x 32 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 80MB | (2) 8M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 80MB | (2) 2M x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 96MB | (2) 8M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 96MB | (2) 4M x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 128MB | (2) 8M x 32 | (2) 8M x 32 | |------------------------------------------------------------| | Note: Board accepts EDO memory. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | SL1 | |-------+---------+---------+-----------+--------------------| | 256KB | (2) 32K | None | (1) | Not installed | | (A) | x 32 | | 8K/16K x | | | | | | 8 | | |-------+---------+---------+-----------+--------------------| | 256KB | None | None | None | 256KB module | | (B) | | | | installed | |-------+---------+---------+-----------+--------------------| | 512KB | (2) 32K | (2) 32K | (1) | Not installed | | (A) | x 32 | x 32 | 16K/32K x | | | | | | 8 | | |-------+---------+---------+-----------+--------------------| | 512KB | None | None | None | 512KB module | | (B) | | | | installed | |------------------------------------------------------------| | Note: The location of banks 0 & 1 are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP10 | JP11 | |------------------+--------------------+--------------------| | 256KB (A/B) | Pins 1 & 2 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 512KB (A/B) | Pins 2 & 3 closed | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (CYRIX) | |------------------------------------------------------------| |CPU speed| Clock |Multiplier| JP3 |JP12 |JP13 | JPS1 | JPS2 | | | speed | | | | | | | |---------+-------+----------+-----+-----+-----+------+------| | 120MHz | 50MHz | 2x |1 & 2|2 & 3|1 & 2|Closed|Closed| |---------+-------+----------+-----+-----+-----+------+------| | 150MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|Closed| Open | |---------+-------+----------+-----+-----+-----+------+------| | 166MHz | 66MHz | 2x |2 & 3|2 & 3|1 & 2| Open |Closed| |------------------------------------------------------------| |Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (INTEL) | |------------------------------------------------------------| |CPU speed| Clock |Multiplier| JP3 |JP12 |JP13 | JPS1 | JPS2 | | | speed | | | | | | | |---------+-------+----------+-----+-----+-----+------+------| | 75MHz | 50MHz | 1.5x |1 & 2|2 & 3|2 & 3|Closed|Closed| |---------+-------+----------+-----+-----+-----+------+------| | 90MHz | 60MHz | 1.5x |2 & 3|2 & 3|2 & 3|Closed| Open | |---------+-------+----------+-----+-----+-----+------+------| | 100MHz | 66MHz | 1.5x |2 & 3|2 & 3|2 & 3| Open |Closed| |---------+-------+----------+-----+-----+-----+------+------| | 120MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|Closed| Open | |---------+-------+----------+-----+-----+-----+------+------| | 133MHz | 66MHz | 2x |2 & 3|2 & 3|1 & 2| Open |Closed| |---------+-------+----------+-----+-----+-----+------+------| | 150MHz | 60MHz | 2.5x |2 & 3|1 & 2|1 & 2|Closed| Open | |---------+-------+----------+-----+-----+-----+------+------| | 166MHz | 66MHz | 2.5x |2 & 3|1 & 2|1 & 2| Open |Closed| |---------+-------+----------+-----+-----+-----+------+------| | 180MHz | 60MHz | 3x |2 & 3|1 & 2|2 & 3|Closed| Open | |---------+-------+----------+-----+-----+-----+------+------| | 200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3| Open |Closed| |------------------------------------------------------------| |Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Setting | JP8A | JP8B | JP8C | JP8D | |----------+------------+------------+-----------+-----------| | CX M1 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & | | | closed | closed | 2 closed | 2 closed | |----------+------------+------------+-----------+-----------| | AM K5 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & | | | closed | closed | 2 closed | 2 closed | |----------+------------+------------+-----------+-----------| | P54C/CTB | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & | | | closed | closed | 2 closed | 2 closed | |----------+------------+------------+-----------+-----------| | P55C | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & | Pins 2 & | | | closed | closed | 3 closed | 3 closed | +------------------------------------------------------------+