UNIDENTIFIED ============ PCI/ISA UD486GRN Processor CX486SX/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/UMCU5S/ SL80486DX/CX486DX2/AM486DX2/SL80486DX2/AM486DX4/80486DX4 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set UMC Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS Unidentified Dimensions 220mm x 220mm I/O 32-bit PCI slots (3), green PC connector, IDE interfaces (2) Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Speaker | CN1 | Turbo switch | JP29 | |-------------------+----------+------------------+----------| | Power LED & | CN2 | Turbo LED | JP30 | | keylock | | | | |-------------------+----------+------------------+----------| | IDE interface | JH1 | Reset switch | JP31 | |-------------------+----------+------------------+----------| | IDE interface | JH2 | IDE interface | JP32 | | | | LED | | |-------------------+----------+------------------+----------| | Green PC | JP26 | 32-bit PCI slots | PC1 - | | connector | | | PC3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | CMOS memory normal operation | JC | Closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JC | Open | |---+----------------------------------+--------+------------| | | IDE interface enabled | JP2 | Open | |---+----------------------------------+--------+------------| | | IDE interface disabled | JP2 | Closed | |---+----------------------------------+--------+------------| |>> | Port address fixed | JP3 | Closed | |---+----------------------------------+--------+------------| | | Port address relocatable | JP3 | Open | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP10 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP15 | pins 1 & 2 | | | alter | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | NONE | NONE | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 4MB | NONE | (1) 1M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 8MB | NONE | NONE | (1) 2M x | NONE | | | | | 36 | | |-------+-------------+------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 2M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 16MB | (1) 4M x 36 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 32MB | NONE | NONE | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |-------+-------------+------------+------------+------------| | 32MB | (1) 8M x 36 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE | | | | 36 | | | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | (1) 8K x 8 | |------------------+--------------------+--------------------| | 256KB | (4) 64K x 8 | (1) 32K x 8 | |------------------+--------------------+--------------------| | 512KB | (4) 128K x 8 | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP22 | JP23 pins 1 | JP23 pins 3 | JP25 | | | | & 2 | & 4 | | |-------+--------+-------------+-------------+---------------| | 128KB | Open | Closed | Open | pins 1 & 2 | | | | | | closed | |-------+--------+-------------+-------------+---------------| | 256KB | Open | Closed | Closed | pins 2 & 3 | | | | | | closed | |-------+--------+-------------+-------------+---------------| | 512KB | Closed | Closed | Closed | pins 2 & 3 | | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP7 | JP11 | JP12 | JP13 | JP14 | |------------+--------+-------+-------+-----------+----------| | CX486SX | Open | 1 & 2 | Open | 2 & 3 | 1 & 2, 3 | | | | | | | & 4 | |------------+--------+-------+-------+-----------+----------| | 80486SX | Closed | Open | Open | 2 & 3 | Open | |------------+--------+-------+-------+-----------+----------| | SL80486SX | Closed | Open | Open | 2 & 3 | 2 & 3, 4 | | | | | | | & 5 | |------------+--------+-------+-------+-----------+----------| | SL80486SX2 | Closed | Open | Open | 2 & 3 | 2 & 3, 4 | | | | | | | & 5 | |------------+--------+-------+-------+-----------+----------| | CX486DX | Open | 1 & 2 | 3 & 4 | 1 & 2, 3 | 1 & 2, 3 | | | | | | & 4 | & 4 | |------------+--------+-------+-------+-----------+----------| | AM486DX | Closed | Open | 3 & 4 | 1 & 2, 3 | Open | | | | | | & 4 | | |------------+--------+-------+-------+-----------+----------| | UMCU5S | Closed | Open | 1 & 2 | 2 & 3 | Open | |------------+--------+-------+-------+-----------+----------| | SL80486DX | Closed | Open | 3 & 4 | 1 & 2, 3 | 2 & 3, 4 | | | | | | & 4 | & 5 | |------------+--------+-------+-------+-----------+----------| | CX486DX2 | Open | 1 & 2 | 3 & 4 | 1 & 2, 3 | 1 & 2, 3 | | | | | | & 4 | & 4 | |------------+--------+-------+-------+-----------+----------| | AM486DX2 | Closed | Open | 3 & 4 | 1 & 2, 3 | Open | | | | | | & 4 | | |------------+--------+-------+-------+-----------+----------| | SL80486DX2 | Closed | Open | 3 & 4 | 1 & 2, 3 | 2 & 3, 4 | | | | | | & 4 | & 5 | |------------+--------+-------+-------+-----------+----------| | AM486DX4 | Closed | Open | 3 & 4 | 1 & 2, 3 | Open | | | | | | & 4 | | |------------+--------+-------+-------+-----------+----------| | 80486DX4 | Closed | Open | 3 & 4 | 1 & 2, 3 | 2 & 3, 4 | | | | | | & 4 | & 5 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP16 | JP17 | JP19 | JP20 | JP21 | JP24 | |------------+-------+-------+-------+-------+-------+-------| | CX486SX | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |------------+-------+-------+-------+-------+-------+-------| | 80486SX | 1 & 2 | 1 & 2 | Open | Open | Open | Open | |------------+-------+-------+-------+-------+-------+-------| | SL80486SX | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open | |------------+-------+-------+-------+-------+-------+-------| | SL80486SX2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open | |------------+-------+-------+-------+-------+-------+-------| | CX486DX | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |------------+-------+-------+-------+-------+-------+-------| | AM486DX | 1 & 2 | 1 & 2 | Open | Open | Open | Open | |------------+-------+-------+-------+-------+-------+-------| | UMCU5S | 1 & 2 | 2 & 3 | Open | 2 & 3 | Open | 3 & 4 | |------------+-------+-------+-------+-------+-------+-------| | SL80486DX | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open | |------------+-------+-------+-------+-------+-------+-------| | CX486DX2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |------------+-------+-------+-------+-------+-------+-------| | AM486DX2 | 1 & 2 | 1 & 2 | Open | Open | Open | Open | |------------+-------+-------+-------+-------+-------+-------| | SL80486DX2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open | |------------+-------+-------+-------+-------+-------+-------| | AM486DX4 | 1 & 2 | 1 & 2 | Open | Open | Open | Open | |------------+-------+-------+-------+-------+-------+-------| | 80486DX4 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP18 pins 1 & | JP18 pins 3 & | JP18 pins 5 & | | | 2 | 4 | 6 | |---------+----------------+----------------+----------------| | 25MHz | Open | Open | Open | |---------+----------------+----------------+----------------| | 33MHz | Closed | Closed | Open | |---------+----------------+----------------+----------------| | 40MHz | Open | Closed | Open | |---------+----------------+----------------+----------------| | 50iMHz | Open | Open | Open | |---------+----------------+----------------+----------------| | 50MHz | Closed | Open | Open | |---------+----------------+----------------+----------------| | 66iMHz | Closed | Closed | Open | |---------+----------------+----------------+----------------| | 75iMHz | Open | Open | Open | |---------+----------------+----------------+----------------| | 100iMHz | Closed | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (80486DX4 ONLY) | |------------------------------------------------------------| | Speed | JP9 | |------------------------------+-----------------------------| | 2x | Closed | |------------------------------+-----------------------------| | 3x | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | KEYBOARD CONFIGURATION | |------------------------------------------------------------| | Setting | JP1 | JP4 | JP5 | JP6 | JP27 | JP28 | |----------+---------+-------+-------+-------+-------+-------| | Internal | 7 & 8, | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | | | 9 & 10 | | | | | | |----------+---------+-------+-------+-------+-------+-------| | External | 1 & 3, | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | | | 2 & 4, | | | | | | | | 5 & 7, | | | | | | | | 6 & 8 | | | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS TECHNICAL NOTE | |------------------------------------------------------------| | Note: The location of pin 1 is unidentified. Jumpers | | are shown for location purposes only. The actual | | location may vary. | +------------------------------------------------------------+