CHICONY, INC. ============= CK-491K Processor CX486S/80486SX/80487SX/CX486DX/80486DX/CX486DX2/80486DX2/ 80486DX4/Pentium Overdrive Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 64MB Onboard DRAM Cache 32/64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (3) Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+-------------------+----------| | External battery | J3 | Speaker | J7 | |------------------+----------+-------------------+----------| | Reset switch | J4 | Power LED & | J8 | | | | keylock | | |------------------+----------+-------------------+----------| | Turbo switch | J5 | 32-bit VESA local | SL1 - | | | | bus slots | SL3 | |------------------+----------+-------------------+----------| | Turbo LED | J6 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Battery type select internal | J3 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Battery type select external | J3 | Closed | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | JP1 | Open | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP1 | Closed | |---+----------------------------------+--------+------------| |>> | Address strobe delay disabled | JP7 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Address strobe delay enabled | JP7 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | VESA card type select normal | JP19 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | VESA card type select Weitek | JP19 | pins 2 & 3 | | | Power 9000 only | | closed | |---+----------------------------------+--------+------------| |>> | Cyrix C6 not installed | JP20 | Open | |---+----------------------------------+--------+------------| | | Cyrix C6 installed | JP20 | 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) 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 | | | | |------+-------------+-------------+------------+------------| | 6MB | (1) 512K x | (1) 1M x 36 | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 7MB | (1) 256K x | (1) 512K x | (1) 1M x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 9MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 9MB | (1) 2M x 36 | (1) 256K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 13MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 256K x | | | | | 36 | 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 | |------+-------------+-------------+------------+------------| | 17MB | (1) 4M x 36 | (1) 256K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 18MB | (1) 4M x 36 | (1) 512K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 21MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 22MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | (1) 8M x 36 | NONE | NONE | NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 33MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 33MB | (1) 8M x 36 | (1) 256K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 34MB | (1) 8M x 36 | (1) 512K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 36MB | (1) 8M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 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 | |------+-------------+-------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 64MB | (1) 16M x | NONE | NONE | NONE | | | 36 | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP21 | JP22 | |--------------------+-------------------+-------------------| | Double sided SIMM | pins 1 & 2 closed | pins 1 & 2 closed | |--------------------+-------------------+-------------------| | 16MB x 36 SIMM | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------+-------------+-------------+------------------------| | 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 | |-------+-------------+-------------+------------------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | |-------+-------------+-------------+------------------------| | 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | |-------+-------------+-------------+------------------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K or (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP2 | JP3 | JP4 | JP5 | JP6 | |----------+---------+---------+---------+---------+---------| | 32KB | 2 & 3 | 2 & 3 | Open | Open | Open | |----------+---------+---------+---------+---------+---------| | 64KB | 1 & 2 | 1 & 2 | Open | Open | Closed | |----------+---------+---------+---------+---------+---------| | 128KB | 2 & 3 | 2 & 3 | Open | Closed | Closed | |----------+---------+---------+---------+---------+---------| | 256KB | 1 & 2 | 1 & 2 | Closed | Closed | Closed | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP15 | JP16 | JP17 | |------------+-------------------------+------------+--------| | CX486S | pins 2 & 3 closed | Open | Open | |------------+-------------------------+------------+--------| | 80486SX | pins 2 & 3 closed | Open | Open | |------------+-------------------------+------------+--------| | 80487SX | pins 1 & 2, 3 & 4 | pins 2 & 3 | Open | | | closed | closed | | |------------+-------------------------+------------+--------| | CX486DX | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open | | | closed | closed | | |------------+-------------------------+------------+--------| | 80486DX | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open | | | closed | closed | | |------------+-------------------------+------------+--------| | CX486DX2 | pins 1 & 2, 3 & 4 | pins 1 & 2 | Closed | | | closed | closed | | |------------+-------------------------+------------+--------| | 80486DX2 | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open | | | closed | closed | | |------------+-------------------------+------------+--------| | 80486DX4 | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open | | | closed | closed | | |------------+-------------------------+------------+--------| | Pentium | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open | | Overdrive | closed | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP8 | JP9 | JP10 | |---------+----------------+----------------+----------------| | 20MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 50MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 75iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 100iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (80486DX4 ONLY) | |------------------------------------------------------------| | Speed | JP18 | |----------------------------+-------------------------------| | 2x | pins 2 & 3 closed | |----------------------------+-------------------------------| | 2.5x | pins 1 & 2 closed | |----------------------------+-------------------------------| | 3x | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | P1 | P2 | P3 | |---------+----------------+----------------+----------------| | 3.3v | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 5v | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JP13 | |-------------------------------+----------------------------| | 1 wait state | Closed | |-------------------------------+----------------------------| | 2 wait states | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JP14 | |-------------------------------+----------------------------| | <= 33MHz | Open | |-------------------------------+----------------------------| | > 33MHz | Closed | +------------------------------------------------------------+