CHAINTECH COMPUTER COMPANY, LTD. ================================ 416SX/420SX/425SX/433SC/450SC Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor Speed 16/20/25/33/50(internal)/50/66(internal)MHz Chip Set SIS Max. Onboard DRAM 64MB Cache 32/64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options 4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |----------------+----------+---------------------+----------| | Reset switch | J1 | Speaker | J4 | |----------------+----------+---------------------+----------| | Turbo switch | J2 | Power LED & keylock | J5 | |----------------+----------+---------------------+----------| | Turbo LED | J3 | External battery | J7 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Turbo enabled | J2 | Closed | |---+----------------------------------+--------+------------| | | Turbo disabled | J2 | Open | |---+----------------------------------+--------+------------| |>> | Monitor type select monochrome | J6 | Open | |---+----------------------------------+--------+------------| | | Monitor type select color | J6 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP7 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | JP17 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP17 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP18 | Open | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (4) 256K x | NONE | NONE | NONE | | | 9 | | | | |------+-------------+-------------+------------+------------| | 1MB | (1) 256K x | NONE | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 2MB | (4) 256K x | (4) 256K x | NONE | NONE | | | 9 | 9 | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | NONE | NONE | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 4MB | (4) 1M x 9 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 6MB | (4) 256K x | (4) 256K x | (1) 1M x | NONE | | | 9 | 9 | 36 | | |------+-------------+-------------+------------+------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 10MB | (4) 256K x | (4) 256K x | (1) 1M x | (1) 1M x | | | 9 | 9 | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (4) 1M x 9 | (4) 1M x 9 | |------+-------------+-------------+------------+------------| | 16MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 4M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 16MB | (4) 4M x 9 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 18MB | (4) 256K x | (4) 256K x | (1) 4M x | NONE | | | 9 | 9 | 36 | | |------+-------------+-------------+------------+------------| | 20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 24MB | (4) 1M x 9 | (4) 1M x 9 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (4) 1M x 9 | NONE | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE | |------+-------------+-------------+------------+------------| | 36MB | (1) 1M x 36 | (4) 4M x 9 | (4) 4M x 9 | NONE | |------+-------------+-------------+------------+------------| | 36MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 36MB | (1) 4M x 36 | (1) 4M x 36 | (4) 1M x 9 | NONE | |------+-------------+-------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x 36 | (4) 4M x 9 | (4) 4M x 9 | |------+-------------+-------------+------------+------------| | 40MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 40MB | (1) 4M x 36 | (1) 4M x 36 | (4) 1M x 9 | (4) 1M x 9 | |------+-------------+-------------+------------+------------| | 40MB | (4) 1M x 9 | (4) 1M x 9 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 48MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (4) 4M x 9 | NONE | |------+-------------+-------------+------------+------------| | 64MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (4) 4M x 9 | (4) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Type | JP1 | JP2 | JP20 | JP21 | |-----------+-------------+------------+----------+----------| | Option 1 | pins 1 & 2 | pins 1 & 2 | pins 1 & | pins 1 & | | | closed | closed | 2 closed | 2 closed | |-----------+-------------+------------+----------+----------| | Option 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & | pins 2 & | | | closed | closed | 3 closed | 3 closed | |------------------------------------------------------------| | Note: Option 1- Banks 0 & 1 use x 9 SIMMS and Banks 2 & 3 | | use X 36 SIMMS. | | | | Option 2- Banks 0 & 1 use x 36 SIMMS and Banks 2 & 3 use X | | 9 SIMMS. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 32KB | (4) 8K x 8 | NONE | |------------------+--------------------+--------------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | NONE | |------------------+--------------------+--------------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP8 | JP9 | JP10 | JP11 | |-------+-------------+------------+------------+------------| | 32KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | closed | |-------+-------------+------------+------------+------------| | 64KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | closed | |-------+-------------+------------+------------+------------| | 128KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | closed | |-------+-------------+------------+------------+------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | JP12 | JP13 | JP14 | JP15 | JP16 | |----------+----------+----------+---------+--------+--------| | 32KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |----------+----------+----------+---------+--------+--------| | 64KB | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | |----------+----------+----------+---------+--------+--------| | 128KB | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | |----------+----------+----------+---------+--------+--------| | 256KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP4 | JP5 | JP6 | |-----------+-------------------+--------+-------------------| | 80486SX | pins 2 & 3 closed | Open | Open | |-----------+-------------------+--------+-------------------| | ODP486SX | pins 1 & 2 closed | Closed | pins 2 & 3 closed | |-----------+-------------------+--------+-------------------| | 80487SX | pins 1 & 2 closed | Closed | pins 2 & 3 closed | |-----------+-------------------+--------+-------------------| | 80486DX | pins 1 & 2 closed | Closed | pins 1 & 2 closed | |-----------+-------------------+--------+-------------------| | 80486DX2 | pins 1 & 2 closed | Closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP3 | |----------------------------+-------------------------------| | 16MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 20MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | > 25MHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS TECHNICAL NOTE | |------------------------------------------------------------| | Note:Depending on board version, cache and accompanying | | jumpers may not be present. | +------------------------------------------------------------+