PIONEX TECHNOLOGIES, INC. ========================= MB-8500TUC Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180MHz Chip Set Unidentified Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS AMI Dimensions 290mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connector NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+------------------+-----------| | PS/2 mouse | J1 | Power LED & | J13 pins | | interface | | keylock | 5 - 9 | |------------------+----------+------------------+-----------| | Floppy drive | J2 | Turbo LED | J13 pins | | interface | | | 10 & 11 | |------------------+----------+------------------+-----------| | Serial port 1 | J5 | Reset switch | J13 pins | | | | | 12 & 13 | |------------------+----------+------------------+-----------| | Serial port 2 | J6 | Green PC | J13 pins | | | | connector | 17 & 18 | |------------------+----------+------------------+-----------| | PS/2 mouse port | J7 | IDE interface | J13 pins | | | | LED | 20 & 21 | |------------------+----------+------------------+-----------| | Parallel port | J9 | +5v ground | J13 pins | | | | | 25 & 26 | |------------------+----------+------------------+-----------| | IDE interface 1 | J10 | IR connector | J14 | | | | (optional) | | |------------------+----------+------------------+-----------| | IDE interface 2 | J11 | 32-bit PCI slots | PC1 - PC4 | |------------------+----------+------------------+-----------| | Chassis fan | J12 | Cache slot | SL1 | | power | | | | |------------------+----------+------------------+-----------| | Speaker | J13 pins | USB connector | USB | | | 1 - 4 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |-------------------------------------+-------+--------------| |>> | Factory configured - do not | JP1 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| | | Flash BIOS voltage select 12v | JP10 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| | | Flash BIOS voltage select 5v | JP10 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | EPROM or 0v flash BIOS used | JP10 | Open | |---+---------------------------------+-------+--------------| |>> | CMOS memory normal operation | JP11 | Open | |---+---------------------------------+-------+--------------| | | CMOS memory clear | JP11 | 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) 1M x 36 | (2) 2M x 36 | |--------------+-------------------------+-------------------| | 32MB | (2) 4M x 36 | None | |--------------+-------------------------+-------------------| | 32MB | (2) 2M x 36 | (2) 2M x 36 | |--------------+-------------------------+-------------------| | 40MB | (2) 1M x 36 | (2) 4M 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) 1M x 36 | (2) 8M x 36 | |--------------+-------------------------+-------------------| | 80MB | (2) 2M x 36 | (2) 8M 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. Bank 2 uses DIMM | | modules. The chip size and configuration is | | unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | SL1 | |--------+-----------+-----------+----------+----------------| | 256KB | (2) 32K x | None | (1) 8K x | Not installed | | | 32 | | 8 | | |--------+-----------+-----------+----------+----------------| | 512KB | (2) 32K x | (2) 32K x | (1) 32K | Not installed | | (A) | 32 | 32 | x 8 | | |--------+-----------+-----------+----------+----------------| | 512KB | (2) 32K x | None | (1) 8K x | 256KB module | | (B) | 32 | | 8 | installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP5 | |-------------------------------+----------------------------| | 256KB | Open | |-------------------------------+----------------------------| | 512KB (A) | Closed | |-------------------------------+----------------------------| | 512KB (B) | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (CYRIX) | |------------------------------------------------------------| | CPU speed | Clock | Multiplier | JP4 | JP7 | | | speed | | | | |-----------+--------+------------+-------------------+------| | 100MHz | 50MHz | 2x | Pins 1 & 2, 3 & 4 | Open | | | | | closed | | |-----------+--------+------------+-------------------+------| | 110MHz | 55MHz | 2x | Open | Open | |-----------+--------+------------+-------------------+------| | 120MHz | 60MHz | 2x | Pins 3 & 4 closed | Open | |-----------+--------+------------+-------------------+------| | 133MHz | 66MHz | 2x | Pins 1 & 2 closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (AMD) | |------------------------------------------------------------| | CPU | Clock | Multiplier | JP4 | JP7 | | speed | speed | | | | |---------+--------+------------+---------------+------------| | 66MHz | 66MHz | 1x | Pins 1 & 2 | Pins 1 & 2 | | | | | closed | closed | |---------+--------+------------+---------------+------------| | 75MHz | 50MHz | 1.5x | Pins 1 & 2, 3 | Open | | | | | & 4 closed | | |---------+--------+------------+---------------+------------| | 83MHz | 55MHz | 1.5x | Open | Open | |---------+--------+------------+---------------+------------| | 90MHz | 60MHz | 1.5x | Pins 3 & 4 | Open | | | | | closed | | |---------+--------+------------+---------------+------------| | 100MHz | 66MHz | 1.5x | Pins 1 & 2 | Open | | | | | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (INTEL) | |------------------------------------------------------------| | CPU | Clock | Multiplier | JP4 | JP7 | | speed | speed | | | | |---------+--------+------------+--------------+-------------| | 75MHz | 50MHz | 1.5x | Pins 1 & 2, | Open | | | | | 3 & 4 closed | | |---------+--------+------------+--------------+-------------| | 90MHz | 60MHz | 1.5x | Pins 3 & 4 | Open | | | | | closed | | |---------+--------+------------+--------------+-------------| | 100MHz | 66MHz | 1.5x | Pins 1 & 2 | Open | | | | | closed | | |---------+--------+------------+--------------+-------------| | 120MHz | 60MHz | 2x | Pins 3 & 4 | Pins 1 & 2 | | | | | closed | closed | |---------+--------+------------+--------------+-------------| | 133MHz | 66MHz | 2x | Pins 1 & 2 | Pins 1 & 2 | | | | | closed | closed | |---------+--------+------------+--------------+-------------| | 150MHz | 60MHz | 2.5x | Pins 3 & 4 | Pins 1 & 2, | | | | | closed | 3 & 4 | | | | | | closed | |---------+--------+------------+--------------+-------------| | 166MHz | 66MHz | 2.5x | Pins 1 & 2 | Pins 1 & 2, | | | | | closed | 3 & 4 | | | | | | closed | |---------+--------+------------+--------------+-------------| | 180MHz | 60MHz | 3x | Pins 3 & 4 | Pins 3 & 4 | | | | | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP6 | JP9 | JP15 | |----------------+--------------+-------------------+--------| | Cyrix | 1 & 2, 4 & 5 | 2 & 3, 4 & 5, 7 & | Open | | | | 8, 9 & 10 | | |----------------+--------------+-------------------+--------| | AMD | 1 & 2, 4 & 5 | 2 & 3, 4 & 5, 7 & | Open | | | | 8, 9 & 10 | | |----------------+--------------+-------------------+--------| | Intel | 1 & 2, 4 & 5 | 2 & 3, 4 & 5, 7 & | Open | | P54C/CQS/CT | | 8, 9 & 10 | | |----------------+--------------+-------------------+--------| | Intel P55C/CT | 2 & 3, 5 & 6 | 1 & 2, 3 & 4, 6 & | Closed | | | | 7, 8 & 9 | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP14 | |-------------------------------+----------------------------| | 3.4v | Closed | |-------------------------------+----------------------------| | 3.5 | Open | +------------------------------------------------------------+