BIOSTAR MICROTECH INTERNATIONAL CORPORATION =========================================== MB-8425/33/40/50UUC Processor CXM1/80486SX/UMCU5/CX486M6/AM486DX/80486DX/SL80486DX/CX487M7AM486DX2/SL AM486DX2/80486DX2/SL80486DX2/AM486DX4/SL AM486DX4 SL80486DX4/P24D/Pentium Overdrive Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)MHz Chip Set Unidentified Max. 128MB Onboard DRAM Cache 128/256KB BIOS Award Dimensions 260mm x 220mm I/O Parallel port, serial ports (2), game port, 32-bit PCI slots (3), green Options PC connector, floppy drive interface, IDE interfaces (2) NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+------------------+-----------| | External battery | CN1 | IDE interface | D9 | | | | LED | | |------------------+----------+------------------+-----------| | IDE interface 1 | CN2 | Green PC | JP13 | | | | connector | | |------------------+----------+------------------+-----------| | Parallel port | CN3 | Speaker | JP15 pins | | | | | 1 - 4 | |------------------+----------+------------------+-----------| | Game port | CN4 | Power LED & | JP15 pins | | | | keylock | 5 - 9 | |------------------+----------+------------------+-----------| | Floppy drive | CN5 | Turbo LED | JP15 pins | | interface | | | 10 - 11 | |------------------+----------+------------------+-----------| | Serial port 1 | CN6 | Reset switch | JP15 pins | | | | | 12 - 13 | |------------------+----------+------------------+-----------| | Serial port 2 | CN7 | Turbo switch | JP15 pins | | | | | 14 - 16 | |------------------+----------+------------------+-----------| | IDE interface 2 | CN8 | +5v ground | JP15 pins | | | | | 17 - 18 | |------------------+----------+------------------+-----------| | +5v ground | D8 | 32-bit PCI slots | PC1 - PC3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |------------------------------------+--------+--------------| |>> | BIOS type select 12v flash | JP3 | pins 1 & 2 | | | | | closed | |---+--------------------------------+--------+--------------| | | BIOS type select 5v flash | JP3 | pins 2 & 3 | | | | | closed | |---+--------------------------------+--------+--------------| | | BIOS type select EPROM | JP3 | Open | |---+--------------------------------+--------+--------------| |>> | CMOS memory normal operation | JP6 | pins 1 & 2 | | | | | closed | |---+--------------------------------+--------+--------------| | | CMOS memory clear | JP6 | pins 1 & 2, | | | | | 3 & 4 closed | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP9 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP10 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP11 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP12 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP20 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP21 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP46 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JP49 | N/A | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | NONE | NONE | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 512K x | NONE | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 4MB | (1) 512K x | (1) 512K x | NONE | NONE | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 6MB | (1) 512K x | (1) 512K x | (1) 512K x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 16MB | (1) 4M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | NONE | | | | | 36 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 32MB | (1) 8M x 36 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------------+---------------+---------------+--------------| | 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 | JP24 | JP25 | JP26 | |-----------+----------------+---------------+---------------| | 128KB | Open | pins 1 & 2 | Open | | | | closed | | |-----------+----------------+---------------+---------------| | 256KB (A) | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (B) | pins 1 & 2 | pins 2 & 3 | Open | | | closed | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP27 | JP28 | JP29 | JP30 | JP31 | |----------------+--------+--------+--------+-------+--------| | CX M1 | Closed | Open | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | 80486SX | Open | Closed | Closed | Open | Closed | |----------------+--------+--------+--------+-------+--------| | UMC-U5 | Open | Open | Open | 1 & 2 | Open | |----------------+--------+--------+--------+-------+--------| | CX486M6 | Open | Open | Open | Open | Open | |----------------+--------+--------+--------+-------+--------| | AM486DX | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | 80486DX | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL80486DX | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | CX486M7 | Open | Open | Open | 3 & 4 | Open | |----------------+--------+--------+--------+-------+--------| | AM486DX2 | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL AM486DX2 WT | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL AM486DX2 WB | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | 80486DX2 | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL80486DX2 | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | AM486DX4 | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL AM486DX4 WT | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL AM486DX4 WB | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | SL80486DX4 | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | P24D | Open | Closed | Closed | 3 & 4 | Closed | |----------------+--------+--------+--------+-------+--------| | Pentium | Open | Open | Open | 2 & 3 | Open | | Overdrive | | | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP32 | JP33 | JP34 | JP35 | JP36 | |-----------------+----------+-------+-------+-------+-------| | CX M1 | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | 80486SX | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | UMC-U5 | Open | Open | Open | Open | Open | |-----------------+----------+-------+-------+-------+-------| | CX486M6 | 1 & 2, 3 | Open | 1 & 2 | 2 & 3 | 2 & 3 | | | & 4 | | | | | |-----------------+----------+-------+-------+-------+-------| | AM486DX | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | 80486DX | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL80486DX | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | CX486M7 | 1 & 2, 3 | Open | 1 & 2 | 2 & 3 | 2 & 3 | | | & 4 | | | | | |-----------------+----------+-------+-------+-------+-------| | AM486DX2 | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL AM486DX2 WT | 2 & 3, 4 | 2 & 3 | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL AM486DX2 WB | 2 & 3, 4 | 2 & 3 | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | 80486DX2 | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL80486DX2 | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | AM486DX4 | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL AM486DX4 WT | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL AM486DX4 WB | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | SL80486DX4 | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | P24D | 2 & 3, 4 | Open | Open | Open | 1 & 2 | | | & 5 | | | | | |-----------------+----------+-------+-------+-------+-------| | Pentium | 2 & 3, 4 | Open | 2 & 3 | 1 & 2 | 1 & 2 | | Overdrive | & 5 | | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP37 | JP38 | JP39 | JP40 | JP41 | JP42 | |-------------+-------+-------+------+-------+-------+-------| | CX M1 | Open | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | 80486SX | 2 & 3 | 2 & 3 | 1 & | 1 & 2 | Open | 2 & 3 | | | | | 2 | | | | |-------------+-------+-------+------+-------+-------+-------| | UMC-U5 | 2 & 3 | 2 & 3 | 2 & | 1 & 2 | 3 & 4 | 2 & 3 | | | | | 3 | | | | |-------------+-------+-------+------+-------+-------+-------| | CX486M6 | 2 & 3 | 1 & 2 | 1 & | 3 & 4 | 1 & 2 | 2 & 3 | | | | | 2 | | | | |-------------+-------+-------+------+-------+-------+-------| | AM486DX | 2 & 3 | 2 & 3 | 1 & | 1 & 2 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | 80486DX | 2 & 3 | 2 & 3 | 1 & | 1 & 2 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL80486DX | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | CX486M7 | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | 2 & 3 | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | AM486DX2 | 2 & 3 | 2 & 3 | 1 & | 1 & 2 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL AM486DX2 | 2 & 3 | 1 & 2 | 1 & | 3 & 4 | Open | 1 & | | WT | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL AM486DX2 | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | WB | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | 80486DX2 | 2 & 3 | 2 & 3 | 1 & | 1 & 2 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL80486DX2 | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | AM486DX4 | 2 & 3 | 2 & 3 | 1 & | 1 & 2 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL AM486DX4 | 2 & 3 | 1 & 2 | 1 & | 3 & 4 | Open | 1 & | | WT | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL AM486DX4 | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | WB | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | SL80486DX4 | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | P24D | 2 & 3 | 2 & 3 | 1 & | 3 & 4 | Open | 1 & | | | | | 2 | | | 2, 3 | | | | | | | | & 4 | |-------------+-------+-------+------+-------+-------+-------| | Pentium | 2 & 3 | 2 & 3 | 1 & | 3 & | 1 & 2 | 1 & | | Overdrive | | | 2 | 4, 5 | | 2, 3 | | | | | | & 6 | | & 4 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP22 | JP23 | |------------------+--------------------+--------------------| | Cyrix | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | AMD | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | UMC | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | Intel | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP5 | JP7 | JP8 | |---------------+--------------+--------------+--------------| | 20MHz | Open | Open | Open | |---------------+--------------+--------------+--------------| | 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 | |---------------+--------------+--------------+--------------| | 80iMHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 100iMHz | Closed | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP14 | JP18 | JP19 | |---------+----------------+----------------+----------------| | 3.3v | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 4v | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 5v | Open | pins 2 & 3 | pins 2 & 3 | | | | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CONFIGURATION | |------------------------------------------------------------| | DMA | JP47 | JP48 | |------------------+--------------------+--------------------| | DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+