ADVANCED INTEGRATION RESEARCH, INC. =================================== 486MI REV. 1.11 Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor 20/25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set SIS Max. Onboard 64MB DRAM Cache 64/128/256/512KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (3), floppy drive interface, game port, IDE interface, parallel port, serial ports (2) NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+----------+----------------------+----------| | IDE port | CN1 | Green PC LED | J3 | |---------------+----------+----------------------+----------| | Floppy port | CN2 | Reset switch | J4 | |---------------+----------+----------------------+----------| | Parallel port | CN3 | Turbo switch | J5 | |---------------+----------+----------------------+----------| | Game port | CN4 | Turbo LED | J6 | |---------------+----------+----------------------+----------| | Serial port 1 | CN5 | IDE interface LED | J7 | |---------------+----------+----------------------+----------| | Serial port 2 | CN6 | 32-bit VESA Local | S1, S2 & | | | | bus slots | S3 | |---------------+----------+----------------------+----------| | Speaker | J1 | Green PC connector | W1 | |---------------+----------+----------------------+----------| | Power LED & | J2 | | | | keylock | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Factory configured - do not | JP3 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP4 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP9 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Monitor type select monochrome, | JP16 | Open | | | VGA or EGA | | | |---+----------------------------------+--------+------------| | | Monitor type select CGA | JP16 | Closed | |---+----------------------------------+--------+------------| |>> | Flash BIOS write protect enabled | JP17 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Flash BIOS write protect | JP17 | pins 2 & 3 | | | disabled | | closed | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | JP20 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP20 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | IDE interface enabled | JP29 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IDE interface disabled | JP29 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Parallel port select interrupt | JP30 | pins 1 & 2 | | | IRQ7 | | closed | |---+----------------------------------+--------+------------| | | Parallel port select interrupt | JP30 | pins 2 & 3 | | | IRQ5 | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+---------------+-------------+------------+----------| | 2MB | (1) 512K x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 4MB | (1) 512K x 36 | None | (1) 512K x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 4MB | (1) 1M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 6MB | (1) 512K x 36 | None | (1) 1M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 8MB | (1) 2M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 10MB | (1) 512K x 36 | None | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 10MB | (1) 512K x 36 | None | (1) 2M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 12MB | (1) 2M x 36 | None | (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 | None | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 16MB | (1) 2M x 36 | None | (1) 2M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 16MB | (1) 4M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None | |------+---------------+-------------+------------+----------| | 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 24MB | (1) 2M x 36 | None | (1) 4M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None | |------+---------------+-------------+------------+----------| | 32MB | (1) 8M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 40MB | (1) 2M x 36 | None | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 40MB | (1) 2M x 36 | None | (1) 8M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 48MB | (1) 8M x 36 | None | (1) 4M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 64MB | (1) 8M x 36 | None | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 64MB | (1) 8M x 36 | None | (1) 8M x | None | | | | | 36 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP10 | JP11 | JP12 | JP13 | JP14 | JP15 | |-------+--------+--------+--------+--------+--------+-------| | 64KB | pins 1 | pins 1 | pins 1 | pins 2 | pins 1 | pins | | | & 2 | & 2 | & 2 | & 3 | & 2 | 1 & 2 | |-------+--------+--------+--------+--------+--------+-------| | 128KB | pins 2 | pins 1 | pins 1 | pins 1 | pins 1 | pins | | | & 3 | & 2 | & 2 | & 2 | & 2 | 2 & 3 | |-------+--------+--------+--------+--------+--------+-------| | 256KB | pins 2 | pins 2 | pins 1 | pins 2 | pins 2 | pins | | | & 3 | & 3 | & 2 | & 3 | & 3 | 2 & 3 | |-------+--------+--------+--------+--------+--------+-------| | 256KB | pins 2 | pins 2 | pins 2 | pins 1 | pins 1 | pins | | | & 3 | & 3 | & 3 | & 2 | & 2 | 2 & 3 | |------------------------------------------------------------| | Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE SIZE 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) 32K x 8 | |------------+---------------+---------------+---------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP1 | JP2 | |----------+-------------------+-----------------------------| | 80486SX | Open | pins 2 & 3 closed | |----------+-------------------+-----------------------------| | 80486DX | pins 1 & 2 closed | pins 1 & 2 and 3 & 4 closed | |----------+-------------------+-----------------------------| | 80487SX | pins 2 & 3 closed | pins 1 & 2 and 3 & 4 closed | |----------+-------------------+-----------------------------| | ODP486SX | pins 2 & 3 closed | pins 1 & 2 and 3 & 4 closed | |----------+-------------------+-----------------------------| | 80486DX2 | pins 1 & 2 closed | pins 1 & 2 and 3 & 4 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP5 | JP6 | JP7 | JP26 | JP27 | JP28 | |-------+--------+--------+--------+--------+--------+-------| | 20MHz | Closed | Open | Open | pins 2 | pins 2 | pins | | | | | | & 3 | & 3 | 1 & 2 | |-------+--------+--------+--------+--------+--------+-------| | 25MHz | Open | Closed | Closed | pins 2 | pins 2 | pins | | | | | | & 3 | & 3 | 1 & 2 | |-------+--------+--------+--------+--------+--------+-------| | 33MHz | Open | Closed | Open | pins 2 | pins 2 | pins | | | | | | & 3 | & 3 | 1 & 2 | |-------+--------+--------+--------+--------+--------+-------| | 40MHz | Open | Open | Closed | pins 1 | pins 1 | pins | | | | | | & 2 | & 2 | 2 & 3 | |-------+--------+--------+--------+--------+--------+-------| | 50i | Open | Closed | Closed | pins 2 | pins 2 | pins | | MHz | | | | & 3 | & 3 | 1 & 2 | |-------+--------+--------+--------+--------+--------+-------| | 50MHz | Open | Open | Open | pins 1 | pins 1 | pins | | | | | | & 2 | & 2 | 2 & 3 | |-------+--------+--------+--------+--------+--------+-------| | 66i | Open | Closed | Open | pins 2 | pins 2 | pins | | MHz | | | | & 3 | & 3 | 1 & 2 | |------------------------------------------------------------| | Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDE RECOVERY TIME | |------------------------------------------------------------| | Speed | Recovery | JP22 | JP23 | JP24 | | | Time | | | | |--------+------------+--------------+----------+------------| | <33mhz | 9T, low | pins 2 & 3 | pins 1 & | pins 2 & 3 | | | speed | closed | 2 closed | closed | |--------+------------+--------------+----------+------------| | <33mhz | 7T, middle | pins 1 & 2 | pins 2 & | pins 2 & 3 | | | speed | closed | 3 closed | closed | |--------+------------+--------------+----------+------------| | <33mhz | 5T, high | pins 2 & 3 | pins 2 & | pins 2 & 3 | | | speed | closed | 3 closed | closed | |--------+------------+--------------+----------+------------| | >40mhz | 13T, low | pins 2 & 3 | pins 2 & | pins 1 & 2 | | | speed | closed | 3 closed | closed | |--------+------------+--------------+----------+------------| | >40mhz | 11T middle | pins 1 & 2 | pins 1 & | pins 2 & 3 | | | speed | closed | 2 closed | closed | |--------+------------+--------------+----------+------------| | >40mhz | 9T high | pins 2 & 3 | pins 1 & | pins 2 & 3 | | | speed | closed | 2 closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION | |------------------------------------------------------------| | Speed | Setting | ID2 | ID3 | |----------+----------------+-----------------+--------------| | <=33MHz | 0 wait states | pins 1 & 2 | pins 1 & 2 | | | | closed | closed | |----------+----------------+-----------------+--------------| | >33MHz | 1 wait state | pins 2 & 3 | pins 2 & 3 | | | | closed | closed | +------------------------------------------------------------+