FORTRESS SYSTEMS INTERNATIONAL ============================== GENESIS II 486 VESA/ISA Processor CX486SX/AM486SX/80486SX/CX486DX/AM486DX/80486DX/ CX486DX2/AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)MHz Chip Set Unidentified Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 128/256/512/1024KB BIOS AMI/Award/MR BIOS 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 | |---------------+----------+----------------------+----------| | Power LED & | JP16 | Green PC connector | JP20 | | keylock | | | | |---------------+----------+----------------------+----------| | Speaker | JP17 | Turbo LED | JP21 | |---------------+----------+----------------------+----------| | Green PC LED | JP18 | Reset switch | JP26 | |---------------+----------+----------------------+----------| | Turbo switch | JP19 | 32-bit VESA local | SL1 - | | | | bus slots | SL3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |----------------------------------+-------+-----------------| |>> | CMOS memory normal operation | JP1 | Pins 1 & 2 | | | | | closed | |---+------------------------------+-------+-----------------| | | CMOS memory clear | JP1 | Pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (1) 256K x | None | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | None | None | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 512K x | None | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | (1) 512K x | None | None | | | 36 | 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 | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 1M x 36 | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 512K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 6MB | (1) 512K x | (1) 1M x 36 | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | 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 | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None | |------+-------------+-------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------------------------------------------------------------| | Note: Board accepts x 32 SIMMs. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Setting | JP70 | |----------------------------+-------------------------------| | 1 BK installed | Pins 1 & 2 closed | |----------------------------+-------------------------------| | 2 BK installed | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | None | |------------------+--------------------+--------------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | |------------------+--------------------+--------------------| | 256KB (B) | (4) 64K x 8 | None | |------------------+--------------------+--------------------| | 512KB (A) | (4) 128K x 8 | None | |------------------+--------------------+--------------------| | 512KB (B) | (4) 64K x 8 | (4) 64K x 8 | |------------------+--------------------+--------------------| | 1MB | (4) 128K x 8 | (4) 128K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP6 | JP11 | JP12 | |-----------+----------------+---------------+---------------| | 128KB | Open | Pins 2 & 3 | Pins 1 & 2 | | | | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (A) | Open | Pins 1 & 2 | Pins 1 & 2 | | | | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (B) | Open | Pins 2 & 3 | Pins 1 & 2 | | | | closed | closed | |-----------+----------------+---------------+---------------| | 512KB (A) | Open | Pins 2 & 3 | Pins 2 & 3 | | | | closed | closed | |-----------+----------------+---------------+---------------| | 512KB (B) | Pins 1 & 2 | Open | Pins 2 & 3 | | | closed | | closed | |-----------+----------------+---------------+---------------| | 1MB | Pins 2 & 3 | Open | Pins 2 & 3 | | | closed | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | JP2A | JP2B | JP2C | JP22 | |---------+--------+-------------------+------------+--------| | 25MHz | Closed | Pins 1 & 2 closed | Pins 2 & 3 | Open | | | | | closed | | |---------+--------+-------------------+------------+--------| | 33MHz | Closed | Pins 2 & 3 closed | Pins 1 & 2 | Open | | | | | closed | | |---------+--------+-------------------+------------+--------| | 40MHz | Open | Pins 1 & 2 closed | Pins 2 & 3 | Closed | | | | | closed | | |---------+--------+-------------------+------------+--------| | 50iMHz | Closed | Pins 1 & 2 closed | Pins 2 & 3 | Open | | | | | closed | | |---------+--------+-------------------+------------+--------| | 50MHz | Open | Pins 2 & 3 closed | Pins 1 & 2 | Closed | | | | | closed | | |---------+--------+-------------------+------------+--------| | 66iMHz | Closed | Pins 2 & 3 closed | Pins 1 & 2 | Open | | | | | closed | | |---------+--------+-------------------+------------+--------| | 75iMHz | Closed | Pins 1 & 2 closed | Pins 2 & 3 | Open | | | | | closed | | |---------+--------+-------------------+------------+--------| | 80iMHz | Open | Pins 1 & 2 closed | Pins 2 & 3 | Closed | | | | | closed | | |---------+--------+-------------------+------------+--------| | 100iMHz | Closed | Pins 2 & 3 closed | Pins 1 & 2 | Open | | | | | closed | | |---------+--------+-------------------+------------+--------| | 120iMHz | Open | Pins 1 & 2 closed | Pins 2 & 3 | Closed | | | | | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP15 | |----------------------------+-------------------------------| | Cyrix | Pins 2 & 3 closed | |----------------------------+-------------------------------| | AMD | Pins 1 & 2 closed | |----------------------------+-------------------------------| | Intel | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS SPEED SELECTION | |------------------------------------------------------------| | Speed | JP13 | |-------------------------------+----------------------------| | <= 33MHz | Closed | |-------------------------------+----------------------------| | >33 MHz | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLASH BIOS VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP5 | JP80 | |------------+--------------------+--------------------------| | 5v | Pins 1 & 2 closed | Pins 1 & 3, 2 & 4 closed | |------------+--------------------+--------------------------| | 12v | Pins 2 & 3 closed | Pins 3 & 5, 4 & 6 closed | +------------------------------------------------------------+