CHAINTECH COMPUTER COMPANY, LTD =============================== 486SPM Processor 80486SX/CX486DX/AM486DX/U5S/80486DX/ODP486SX/CX486DX2/ CX486DX2V/AM486DX2/AM486DX2/80486DX2/CX486DX4/AM486DX4-NV8T/ AM486DX4-SV8B/80486DX4/80486DX4(WB)/Pentium Overdrive/ SL Pentium Overdrive/CXM1SC Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)/ Speed 120(internal)MHz Chip Set Unidentified Max. 128MB Onboard DRAM Cache 128/256/512/1024KB BIOS Award Dimensions 220mm x 250mm I/O Green PC connector, floppy drive interface, IDE interfaces (2), parallel port, Options serial ports (2), 32-bit PCI slots (3) NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Serial port 1 | CN2 | Green PC LED | JP27 | |-------------------+----------+------------------+----------| | Serial port 2 | CN3 | Green PC | JP29 | | | | connector | | |-------------------+----------+------------------+----------| | Parallel port | CN4 | Turbo switch | JP35 | |-------------------+----------+------------------+----------| | Floppy drive | CN5 | Turbo LED | JP36 | | interface | | | | |-------------------+----------+------------------+----------| | IDE interface 1 | CN6 | Speaker | JP37 | |-------------------+----------+------------------+----------| | IDE interface 2 | CN7 | Reset switch | JP44 | |-------------------+----------+------------------+----------| | External battery | JP12 | Power LED & | JP45 | | | | keylock | | |-------------------+----------+------------------+----------| | IDE interface LED | JP14 | 32-bit PCI slots | PCI1 - | | 1 | | | PCI3 | |-------------------+----------+------------------+----------| | IDE interface LED | JP15 | | | | 2 | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | CMOS memory normal operation | JP13 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP13 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | PCI-Bus clock select normal | JP21 | pins 1 & 2 | | | speed | | closed | |---+----------------------------------+--------+------------| | | PCI-Bus clock select 1/2 speed | JP21 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP31 | pins 1 & 2 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Turbo switch select high speed | JP35 | Closed | |---+----------------------------------+--------+------------| | | Turbo switch select low speed | JP35 | Open | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP39 | pins 1 & 2 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP40 | pins 1 & 2 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP46 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP47 | N/A | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+---------------+-------------+------------+----------| | 1MB | (1) 256K x 36 | NONE | NONE | NONE | |------+---------------+-------------+------------+----------| | 2MB | (1) 256K x 36 | (1) 256K x | NONE | NONE | | | | 36 | | | |------+---------------+-------------+------------+----------| | 2MB | (1) 512K x 36 | NONE | NONE | NONE | |------+---------------+-------------+------------+----------| | 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | NONE | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 4MB | (1) 512K x 36 | (1) 512K x | NONE | NONE | | | | 36 | | | |------+---------------+-------------+------------+----------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+---------------+-------------+------------+----------| | 5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | NONE | |------+---------------+-------------+------------+----------| | 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | NONE | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 6MB | (1) 512K x 36 | (1) 1M x 36 | NONE | NONE | |------+---------------+-------------+------------+----------| | 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | NONE | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+---------------+-------------+------------+----------| | 8MB | (1) 2M x 36 | NONE | NONE | NONE | |------+---------------+-------------+------------+----------| | 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 16MB | (1) 4M x 36 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 17MB | (1) 256K x | (1) 4M x | NONE | NONE | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 18MB | (1) 256K x | (1) 256K x | (1) 4M x | NONE | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 18MB | (1) 512K x | (1) 4M x | NONE | NONE | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 20MB | (1) 512K x | (1) 512K x | (1) 4M x | NONE | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 4M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 24MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 32MB | (1) 8M x 36 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 8M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 8M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | (1) 16M x | NONE | NONE | NONE | | | 36 | | | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 65MB | (1) 256K x | (1) 16M x | NONE | NONE | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 16M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 16M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 128MB | (1) 16M x | (1) 16M x | NONE | NONE | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | |------------+---------------+---------------+---------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 256KB | (4) 64K x 8 | NONE | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP17 | JP18 | JP19 | JP20 | JP25 | JP26 | |--------+--------+--------+--------+--------+-------+-------| | 128KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | |--------+--------+--------+--------+--------+-------+-------| | 256KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | |--------+--------+--------+--------+--------+-------+-------| | 256KB | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | |--------+--------+--------+--------+--------+-------+-------| | 512KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |--------+--------+--------+--------+--------+-------+-------| | 512KB | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |--------+--------+--------+--------+--------+-------+-------| | 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | J2 | J3 | J4 | J5 | J6 | |---------------+--------+--------+--------+--------+--------| | 80486SX | Closed | Open | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | CX486DX | Open | Closed | Open | Closed | Open | |---------------+--------+--------+--------+--------+--------| | AM486DX | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | U5S | Closed | Open | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | 80486DX | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | ODP486SX | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | CX486DX2V | Open | Closed | Open | Closed | Open | |---------------+--------+--------+--------+--------+--------| | CX486DX2 | Open | Closed | Open | Closed | Open | |---------------+--------+--------+--------+--------+--------| | AM486DX2 | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | AM486DX2-80 | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | 80486DX2 | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | CX486DX4 | Open | Closed | Open | Closed | Open | |---------------+--------+--------+--------+--------+--------| | AM486DX4-NV8T | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | AM486DX4-SV8B | Open | Open | Closed | Open | Open | |---------------+--------+--------+--------+--------+--------| | 80486DX4 | Open | Closed | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | 80486DX4 (WB) | Open | Open | Closed | Open | Open | |---------------+--------+--------+--------+--------+--------| | Pentium | Open | Open | Closed | Open | Open | | Overdrive | | | | | | |---------------+--------+--------+--------+--------+--------| | SL Pentium | Open | Open | Closed | Open | Open | | Overdrive | | | | | | |---------------+--------+--------+--------+--------+--------| | CXM1SC | Open | Open | Closed | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | J7 | JP41 | JP42 | JP43 | |-----------------------+----------+--------+--------+-------| | 80486SX | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | CX486DX | Open | 1 & 2 | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | AM486DX | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | U5S | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | 80486DX | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | ODP486SX | Open | Open | 1 & 2 | 2 & 3 | |-----------------------+----------+--------+--------+-------| | CX486DX2V | Open | 1 &2 | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | CX486DX2 | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | AM486DX2 | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | AM486DX2-80 | Open | Open | 2 & 3 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | 80486DX2 | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | CX486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | AM486DX4-NV8T | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | AM486DX4-SV8B | Closed | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | 80486DX4 | Open | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | 80486DX4 (WB) | Closed | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | Pentium Overdrive | Closed | Open | 1 & 2 | 1 & 2 | |-----------------------+----------+--------+--------+-------| | SL Pentium Overdrive | Closed | Open | 1 & 2 | 2 & 3 | |-----------------------+----------+--------+--------+-------| | CXM1SC | Closed | Open | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP22 | JP23 | |------------------+--------------------+--------------------| | 25MHz | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 33MHz | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 40MHz | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 50iMHz | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 50MHz | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 66iMHz | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 75iMHz | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 80iMHz | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 100iMHz | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 120iMHz | pins 1 & 2 closed | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP32 | JP38 | |--------------------+------------------+--------------------| | 3.3v | Open | pins 1 & 2 closed | |--------------------+------------------+--------------------| | 4v | Open | pins 2 & 3 closed | |--------------------+------------------+--------------------| | 5v | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CONFIGURATION | |------------------------------------------------------------| | DMA | JP1 | JP2 | |------------------+--------------------+--------------------| | DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+