BIOSTAR MICROTECH INTERNATIONAL, INC. ===================================== MB-1500/1575/1590PCT Processor Pentium Processor 75/90/100MHz Speed Chip Set Unidentified Max. Onboard 128MB DRAM Cache 256/512/1024/2048KB BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (3) NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+------------+------------------+------------| | External | JP8 | Turbo switch | JP15 (pins | | battery | | | 14 - 16) | |---------------+------------+------------------+------------| | Speaker | JP15 (pins | +5v ground | JP15 (pins | | | 1 - 4) | | 17 - 18) | |---------------+------------+------------------+------------| | Power LED & | JP15 (pins | Chassis fan | JP32 | | keylock | 5 - 9) | power | | |---------------+------------+------------------+------------| | Turbo LED | JP15 (pins | 32-bit VESA | PC1 - PC3 | | | 10 - 11) | local bus slots | | |---------------+------------+------------------+------------| | Reset switch | JP15 (pins | 32-bit PCI bus | SL1 & SL2 | | | 12 - 13) | slots | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Host data wait state select 1 | JP4 | Open | | | wait state | | | |---+----------------------------------+--------+------------| | | Host data wait state select 0 | JP4 | Closed | | | wait states | | | |---+----------------------------------+--------+------------| |>> | Back to back I/O delay select 3 | JP6 | Open | | | wait states | | | |---+----------------------------------+--------+------------| | | Back to back I/O delay select 0 | JP6 | Closed | | | wait states | | | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | JP8 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP8 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| | | Battery type select external | JP8 | Closed | |---+----------------------------------+--------+------------| |>> | Monitor type select color | JP14 | Open | |---+----------------------------------+--------+------------| | | Monitor type select monochrome | JP14 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP19 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Buffer type select stand alone | JP26 | Open | |---+----------------------------------+--------+------------| | | Buffer type select loaded | JP26 | Closed | | | component | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP31 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Stop clock select enabled | JP33 | Open | |---+----------------------------------+--------+------------| | | Stop clock select disabled | JP33 | Closed | |---+----------------------------------+--------+------------| |>> | Bus/core ratio select 2/3 ratio | JP34 | Open | |---+----------------------------------+--------+------------| | | Bus/core ratio select 1/2 ratio | JP34 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP35 | Open | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 2MB | (2) 256K x 36 | NONE | |------------------+--------------------+--------------------| | 4MB | (2) 512K x 36 | NONE | |------------------+--------------------+--------------------| | 4MB | (2) 256K x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 6MB | (2) 256K x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 8MB | (2) 1M x 36 | NONE | |------------------+--------------------+--------------------| | 8MB | (2) 512K x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 10MB | (2) 256K x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 12MB | (2) 512K x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 16MB | (2) 2M x 36 | NONE | |------------------+--------------------+--------------------| | 16MB | (2) 1M x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 18MB | (2) 256K x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 20MB | (2) 512K x 36 | (2) 2M 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 | |------------------+--------------------+--------------------| | 34MB | (2) 256K x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 36MB | (2) 512K x 36 | (2) 4M 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 | |------------------+--------------------+--------------------| | 66MB | (2) 256K x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 68MB | (2) 512K x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 72MB | (2) 1M x 36 | (2) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 256KB | (8) 32K x 8 | NONE | (1) 8K x 8 | |------------+---------------+---------------+---------------| | 512KB | (8) 32K x 8 | (8) 32K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 512KB | (8) 64K x 8 | NONE | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 1MB | (8) 64K x 8 | (8) 64K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 1MB | (8) 128K x 8 | NONE | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 2MB | (8) 128K x 8 | (8) 128K x 8 | (1) 64K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP20 | JP21 | JP22 | JP23 | JP28 | JP29 | JP30 | |-------+-------+-------+-------+-------+------+------+------| | 256KB | Open | Open | Open | Open |1 & 2 | Open |1 & 2 | |-------+-------+-------+-------+-------+------+------+------| | 512KB | Open | Open |Closed | Open |2 & 3 | Open |2 & 3 | |-------+-------+-------+-------+-------+------+------+------| | 512KB | Open | Open |Closed | Open |1 & 2 |2 & 3 |1 & 2 | |-------+-------+-------+-------+-------+------+------+------| | 1MB | Open |Closed |Closed | Open |2 & 3 |1 & 2 |2 & 3 | |-------+-------+-------+-------+-------+------+------+------| | 1MB | Open |Closed |Closed | 2 & 3 |1 & 2 |2 & 3 |1 & 2 | |-------+-------+-------+-------+-------+------+------+------| | 2MB |Closed |Closed |Closed | 1 & 2 |2 & 3 |1 & 2 |2 & 3 | |------------------------------------------------------------| |Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP17 | JP18 | |---------+-------------------------+------------------------| | 3v | pins 3 & 5, 4 & 6 | pins 3 & 5, 4 & 6 | | | closed | closed | |---------+-------------------------+------------------------| | 5v | pins 1 & 3, 2 & 4 | pins 1 & 3, 2 & 4 | | | closed | closed | |------------------------------------------------------------| | Note: JP17 = Bank 0 and JP18 = Bank 1. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP11 | JP12 | JP13 | |---------------+--------------+--------------+--------------| | 75MHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 90MHz | Open | Closed | Open | |---------------+--------------+--------------+--------------| | 100MHz | Closed | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JP5 | |-------------------------------+----------------------------| | 0 wait states | Open | |-------------------------------+----------------------------| | 1 wait state | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JP3 | |-------------------------------+----------------------------| | CPU clock/2 | Open | |-------------------------------+----------------------------| | = 50MHz | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | AT CLOCK CONFIGURATION | |------------------------------------------------------------| | Clock | JP7 | JP9 | |--------------------+-------------------+-------------------| | LCLK/3 | Open | Closed | |--------------------+-------------------+-------------------| | LCLK/4 | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | PCI IRQ CONFIGURATION | |------------------------------------------------------------| | IRQ | JP37 | JP38 | |------------------+--------------------+--------------------| | IRQ14 | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | IRQ15 | pins 1 & 2 closed | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRIVE ENABLE CONFIGURATION | |------------------------------------------------------------| | Speed | JP25 | JP27 | |-------------------+--------------------+-------------------| | 50MHz | Open | Open | |-------------------+--------------------+-------------------| | 60MHz | Closed | Closed | |-------------------+--------------------+-------------------| | 66MHz | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLASH MEMORY CONFIGURATION | |------------------------------------------------------------| | Setting | JP24 | |----------------------------+-------------------------------| | EPROM | Open | |----------------------------+-------------------------------| | 5v flash | pins 2 & 3 closed | |----------------------------+-------------------------------| | 12v flash | pins 1 & 2 closed | +------------------------------------------------------------+