ADVANCED INTEGRATION RESEARCH, INC. =================================== 486MIS REV. 1.11 Processor 80486SX/80487SX/80486DX/80486DX2/ODP486SX/Pentium Overdrive 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 (2), floppy drive interface, IDE interface, parallel port, serial ports (2) NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+----------+----------------+----------| | 32-bit VESA Local | J1 & J2 | Turbo switch | S6 | | bus slots | | | | |---------------------+----------+----------------+----------| | Turbo LED | S1 | IDE interface | S10 | |---------------------+----------+----------------+----------| | Reset switch | S2 | Floppy drive | S11 | | | | interface | | |---------------------+----------+----------------+----------| | Hard drive LED | S3 | Parallel port | S12 | |---------------------+----------+----------------+----------| | Speaker | S4 | Serial port 1 | S13 | |---------------------+----------+----------------+----------| | Power LED & keylock | S5 | Serial port 2 | S14 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Factory configured - do not | JP6 | Closed | | | alter | | | |---+----------------------------------+--------+------------| |>> | Monitor type select monochrome, | JP16 | Open | | | VGA or EGA | | | |---+----------------------------------+--------+------------| | | Monitor type select CGA | JP16 | Closed | |---+----------------------------------+--------+------------| |>> | IDE interface enabled | JP17 | Open | |---+----------------------------------+--------+------------| | | IDE interface disabled | JP17 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP18 | Closed | | | alter | | | |---+----------------------------------+--------+------------| |>> | Parallel port select interrupt | JP22 | pins 1 & 2 | | | IRQ7 | | closed | |---+----------------------------------+--------+------------| | | Parallel port select interrupt | JP22 | pins 2 & 3 | | | IRQ5 | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP27 | Closed | | | alter | | | |---+----------------------------------+--------+------------| |>> | Flash BIOS write protect | JP28 | pins 1 & 2 | | | disabled | | closed | |---+----------------------------------+--------+------------| | | Flash BIOS write protect enabled | JP28 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP31 | Closed | | | alter | | | |---+----------------------------------+--------+------------| |>> | Normal password operation | JP32 | Open | |---+----------------------------------+--------+------------| | | BIOS password clear | JP32 | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |---------+----------------+----------------+----------------| | 2MB | (1) 512K x 36 | None | None | |---------+----------------+----------------+----------------| | 4MB | (1) 512K x 36 | None | (1) 512K x 36 | |---------+----------------+----------------+----------------| | 4MB | (1) 1M x 36 | None | None | |---------+----------------+----------------+----------------| | 6MB | (1) 512K x 36 | None | (1) 1M x 36 | |---------+----------------+----------------+----------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | |---------+----------------+----------------+----------------| | 8MB | (1) 2M x 36 | None | None | |---------+----------------+----------------+----------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | |---------+----------------+----------------+----------------| | 12MB | (1) 2M x 36 | None | (1) 1M x 36 | |---------+----------------+----------------+----------------| | 16MB | (1) 2M x 36 | None | (1) 2M x 36 | |---------+----------------+----------------+----------------| | 16MB | (1) 4M x 36 | None | None | |---------+----------------+----------------+----------------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | None | |---------+----------------+----------------+----------------| | 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | |---------+----------------+----------------+----------------| | 24MB | (1) 2M x 36 | None | (1) 4M x 36 | |---------+----------------+----------------+----------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | |---------+----------------+----------------+----------------| | 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | |---------+----------------+----------------+----------------| | 40MB | (1) 2M x 36 | None | (1) 8M x 36 | |---------+----------------+----------------+----------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | |---------+----------------+----------------+----------------| | 48MB | (1) 8M x 36 | None | (1) 4M x 36 | |---------+----------------+----------------+----------------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 | |---------+----------------+----------------+----------------| | 64MB | (1) 8M x 36 | None | (1) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE SIZE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP7 | JP8 | JP9 |JP10 |JP11 |JP12 |JP13 |JP14 |JP15 | |------+-----+-----+-----+-----+-----+-----+-----+-----+-----| | 64KB |1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|2 & 3| |------+-----+-----+-----+-----+-----+-----+-----+-----+-----| |128KB |1 & 2|1 & 2|2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|1 & 2|1 & 2| |------+-----+-----+-----+-----+-----+-----+-----+-----+-----| |256KB |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|1 & 2|2 & 3| |------+-----+-----+-----+-----+-----+-----+-----+-----+-----| |256KB |2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|1 & 2|2 & 3|2 & 3|1 & 2| |------------------------------------------------------------| |Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE SIZE AND SRAM LOCATIONS | |------------------------------------------------------------| | Cache Size | Bank 0 | Bank 1 | TAG | Dirty | | | | | | Bit | |------------+--------------+-------------+---------+--------| | 64KB | (4) 8K x 8 | (4 ) 8K x 8 | (1) 8K | (1) | | | | | x 8 | 16K x | | | | | | 1 | |------------+--------------+-------------+---------+--------| | 128KB | (4) 32K x 8 | None | (1) 32K | (1) | | | | | x 8 | 16K x | | | | | | 1 | |------------+--------------+-------------+---------+--------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K | (1) | | | | | x 8 | 16K x | | | | | | 1 | |------------+--------------+-------------+---------+--------| | 512KB | (4) 128K x 8 | None | (1) 32K | (1) | | | | | x 8 | 16K x | | | | | | 4 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU EXTERNALCLOCK SPEED | |------------------------------------------------------------| | Speed | JP3 | JP4 | JP5 | |---------------+--------------+--------------+--------------| | 20MHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 25MHz | Closed | Open | Closed | |---------------+--------------+--------------+--------------| | 33MHz | Closed | Closed | Open | |---------------+--------------+--------------+--------------| | 40MHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 50i MHz | Closed | Open | Closed | |---------------+--------------+--------------+--------------| | 50MHz | Open | Closed | Open | |---------------+--------------+--------------+--------------| | 66i MHz | Closed | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE | |------------------------------------------------------------| | Type | JP1 | JP2 | |------------+-------------------+---------------------------| | 80486SX | Open | pins 2 & 3 closed | |------------+-------------------+---------------------------| | 80487SX | pins 2 & 3 closed | pins 1 & 2 and 3 & 4 | | | | closed | |------------+-------------------+---------------------------| | 80486DX | pins 1 & 2 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 | |------------+-------------------+---------------------------| | Pentium | pins 1 & 2 closed | pins 1 & 2 and 3 & 4 | | Overdrive | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDE RECOVERY TIME | |------------------------------------------------------------| | Time | JP29 | JP30 | |----------------------+------------------+------------------| |>> | 300ns | Closed | Closed | |---+------------------+------------------+------------------| | | 240ns | Open | Closed | |---+------------------+------------------+------------------| | | 180ns | Closed | Open | |---+------------------+------------------+------------------| | | 120ns | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCSI ADDRESS | |------------------------------------------------------------| | Address | W1/pins 3 & 4 | W1/pins 5 & 6 | |--------------------+-------------------+-------------------| | DC000h enabled | Closed | Closed | |--------------------+-------------------+-------------------| | DC000h disabled | Closed | N/A | |--------------------+-------------------+-------------------| | DC8000h enabled | N/A | Closed | |--------------------+-------------------+-------------------| | DC8000h disabled | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCSI PORT CONFIGURATION | |------------------------------------------------------------| | Setting | IRQ | W1/1 & 2 | W1/7 & 8 | W1/9 & 10 | |----------------+------+-----------+-----------+------------| |>> | Enabled | 11 | Closed | Closed | Open | |---+------------+------+-----------+-----------+------------| | | Disabled | 10 | Open | Open | Closed | +------------------------------------------------------------+