BIOSTAR MICROTECH INTERNATIONAL CORPORATION =========================================== MB-1425/1433/1440/1450UIV (VER. 2) Processor CX486M6/UMC486/80486SX/CX486M7/AM486DX/SL80486DX/80486DX/ AM486DX2/AM486DXL/SL80486DX2/80486DX2/80486DX4/P24D/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS AMI Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options +------------------------------------------------------------+ | 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 | Green PC | JP24 | | keylock | 5 - 9) | connector | | |---------------+------------+------------------+------------| | Turbo LED | JP15 (pins | Green PC | JP25 | | | 10 - 11) | connector | | |---------------+------------+------------------+------------| | Reset switch | JP15 (pins | 32-bit VESA | SL1 - SL3 | | | 12 - 13) | local bus slots | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | CMOS memory normal operation | JP8 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP8 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| | | Battery type select external | JP8 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP31 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP32 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | VESA bus clock type select | JP36 | pins 1 & 2 | | | synchronous | | closed | |---+----------------------------------+--------+------------| | | VESA bus clock type select | JP36 | pins 2 & 3 | | | asynchronous | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0/2 | Bank 1/3 | Bank 2 | |------------+---------------+---------------+---------------| | 1MB | (1) 256K x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 1MB | NONE | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 1MB | NONE | NONE | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 2MB | (1) 256K x 36 | NONE | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 2MB | NONE | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 2MB | (1) 256K x 36 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 2MB | (1) 512K x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 2MB | NONE | (1) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 3MB | (1) 256K x 36 | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 3MB | NONE | (1) 512K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 3MB | (1) 256K x 36 | (1) 512K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 3MB | (1) 512K x 36 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 4MB | (1) 256K x 36 | (1) 512K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 4MB | NONE | NONE | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 4MB | (1) 512K x 36 | (1) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 4MB | (1) 1M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 4MB | NONE | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 5MB | (1) 1M x 36 | NONE | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 5MB | NONE | (1) 1M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 5MB | (1) 256K x 36 | NONE | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 5MB | NONE | (1) 256K x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 5MB | (1) 1M x 36 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 6MB | NONE | (1) 512K x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 6MB | (1) 1M x 36 | (1) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 6MB | (1) 512K x 36 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 7MB | (1) 1M x 36 | (1) 512K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 7MB | (1) 256K x 36 | (1) 512K x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 8MB | (1) 1M x 36 | NONE | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 8MB | NONE | (1) 1M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 8MB | (1) 2M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 8MB | NONE | (1) 2M x 36 | NONE | |------------+---------------+---------------+---------------| | 9MB | (1) 1M x 36 | (1) 1M x 36 | (4) 256K x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0/2 | Bank 1/3 | Bank 2 | |------------+---------------+---------------+---------------| | 9MB | (1) 1M x 36 | (1) 256K x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 9MB | (1) 256K x 36 | (1) 1M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 10MB | (1) 1M x 36 | (1) 512K x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 12MB | NONE | (1) 2M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 12MB | (1) 1M x 36 | (1) 2M x 36 | NONE | |------------+---------------+---------------+---------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 16MB | NONE | NONE | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 16MB | (1) 4M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 16MB | NONE | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 17MB | (1) 4M x 36 | NONE | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 17MB | NONE | (1) 4M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 17MB | (1) 256K x 36 | NONE | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 17MB | NONE | (1) 256K x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 18MB | (1) 256K x 36 | (1) 4M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 18MB | (1) 4M x 36 | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 19MB | (1) 4M x 36 | (1) 2M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 20MB | NONE | NONE | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 20MB | NONE | NONE | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 21MB | (1) 1M x 36 | (1) 4M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 21MB | (1) 4M x 36 | (1) 1M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 24MB | (1) 1M x 36 | (1) 4M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 32MB | (1) 4M x 36 | NONE | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 32MB | NONE | (1) 4M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 32MB | (1) 8M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 32MB | NONE | (1) 8M x 36 | NONE | |------------+---------------+---------------+---------------| | 33MB | (1) 8M x 36 | NONE | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 33MB | NONE | (1) 8M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 33MB | (1) 4M x 36 | (1) 4M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 33MB | (1) 4M x 36 | (1) 256K x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 33MB | (1) 256K x 36 | (1) 4M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 34MB | (1) 4M x 36 | (1) 512K x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 36MB | (1) 4M x 36 | (1) 1M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 36MB | (1) 1M x 36 | (1) 4M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 36MB | NONE | (1) 8M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 36MB | (1) 4M x 36 | (1) 4M x 36 | (4) 1M x 9 | |------------+---------------+---------------+---------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 48MB | NONE | (1) 8M x 36 | (4) 4M x 9 | |------------+---------------+---------------+---------------| | 48MB | (1) 4M x 36 | (1) 8M x 36 | NONE | |------------+---------------+---------------+---------------| | 48MB | (1) 8M x 36 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------------+---------------+---------------+--------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | |-------------+---------------+---------------+--------------| | 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | |-------------+---------------+---------------+--------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 256KB (B) | (4) 64K x 8 | NONE | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP7 | JP9 | JP10 | JP33 | |--------+--------+--------------------+------------+--------| | 64KB | Open | Open | pins 2 & 3 | Open | | | | | closed | | |--------+--------+--------------------+------------+--------| | 128KB | Open | pins 1 & 2 closed | pins 1 & 2 | Closed | | | | | closed | | |--------+--------+--------------------+------------+--------| | 256KB | Closed | pins 2 & 3 closed | pins 2 & 3 | Closed | | (A) | | | closed | | |--------+--------+--------------------+------------+--------| | 256KB | Closed | pins 1 & 2, 3 & 4 | pins 1 & 2 | Closed | | (B) | | closed | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP11 | JP12 | JP13 | |-------------+----------------+--------------+--------------| | CX486M6 | 1 & 2, 3 & 4, | 1 & 2, 3 & | 2 & 3 | | | 5 & 6 | 4, 5 & 6 | | |-------------+----------------+--------------+--------------| | UMC486 | 2 & 3 | 2 & 3 | 2 & 3 | |-------------+----------------+--------------+--------------| | 80486SX | Open | 2 & 3 | 2 & 3 | |-------------+----------------+--------------+--------------| | CX486M7 | 1 & 2, 3 & 4, | 1 & 2, 3 & | 1 & 2, 3 & 4 | | | 5 & 6 | 4, 5 & 6 | | |-------------+----------------+--------------+--------------| | AMD486DXL | 2 & 3 | 2 & 3 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | SL80486DX | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | SL80486DX2 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | 80486DX | Open | 2 & 3 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | 80486DX2 | Open | 2 & 3 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | 80486DX4 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | P24D | 1 & 2, 4 & 5 | 1 & 2, 4 & 5 | 1 & 2, 3 & 4 | |-------------+----------------+--------------+--------------| | Pentium | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | | Overdrive | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP17 | JP18 | JP19 | JP35 | |------------+------------+------------+------------+--------| | CX486M6 | Open | 2 & 3, 4 & | 2 & 3, 4 & | Open | | | | 5 | 5 | | |------------+------------+------------+------------+--------| | UMC486 | 3 & 4 | 1 & 2 | Open | Closed | |------------+------------+------------+------------+--------| | 80486SX | Open | Open | Open | Closed | |------------+------------+------------+------------+--------| | CX486M7 | 1 & 2 | 2 & 3, 4 & | 2 & 3 | Open | | | | 5 | | | |------------+------------+------------+------------+--------| | AMD486DXL | 1 & 2, 3 & | 1 & 2 | Open | Closed | | | 4 | | | | |------------+------------+------------+------------+--------| | SL80486DX | 1 & 2 | 5 & 6 | 1 & 2, 3 & | Open | | | | | 4 | | |------------+------------+------------+------------+--------| | SL80486DX2 | 1 & 2 | 5 & 6 | 1 & 2, 3 & | Open | | | | | 4 | | |------------+------------+------------+------------+--------| | 80486DX | 1 & 2 | Open | Open | Closed | |------------+------------+------------+------------+--------| | 80486DX2 | 1 & 2 | Open | Open | Closed | |------------+------------+------------+------------+--------| | 80486DX4 | 1 & 2 | 5 & 6 | 1 & 2, 3 & | Open | | | | | 4 | | |------------+------------+------------+------------+--------| | P24D | 1 & 2 | 3 & 4, 5 & | 1 & 2, 3 & | Open | | | | 6 | 4 | | |------------+------------+------------+------------+--------| | Pentium | 2 & 3 | 5 & 6 | 1 & 2, 3 & | Open | | Overdrive | | | 4 | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP20 | JP23 | |-----------------------+------------------+-----------------| | All CPU | Open | Open | |-----------------------+------------------+-----------------| | AM80486DX2-66/80 only | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP4 | JP5 | JP6 | |---------------+--------------+--------------+--------------| | 25MHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 33MHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 40MHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 50iMHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 50MHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 66iMHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 75iMHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 100iMHz | Closed | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP14 | JP16 | JP27 | |---------+----------------+----------------+----------------| | 3.45v | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 5v | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JP22 | |-------------------------------+----------------------------| | 0 wait states | Open | |-------------------------------+----------------------------| | 1 wait state | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JP21 | |-------------------------------+----------------------------| | <= 33MHz | Open | |-------------------------------+----------------------------| | > 33MHz | Closed | +------------------------------------------------------------+