DD & TT ENTERPRISE USA COMPANY ============================== DT-LB134 (9-BIT SIMM VERSION) Processor 80386DX/CX486DLC/80486SX/80486DX/80486DX2/ODP586SX Processor 20/25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set Symphony Max. 64MB Onboard DRAM SRAM Cache 64/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options PS/2 mouse, 32-bit VESA local bus slot NPU Options CX87DLC/80387DX +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+-----------+--------------------+-----------| | Turbo LED | J1/pins 1 | Speaker | J2B/pins | | | & 2 | | 1 & 4 | |---------------+-----------+--------------------+-----------| | Turbo switch | J1/pins 3 | Mouse port header | J11A | | | & 4 | | | |---------------+-----------+--------------------+-----------| | Reset switch | J1/pins 5 | PS/2 mouse port | J11B | | | & 6 | | | |---------------+-----------+--------------------+-----------| | Power LED & | J2A | 32-bit VESA local | S1 | | keylock | | bus | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |-------------------------------------+-----------+----------| | | Factory configured-do not alter | E2/pins 1 | unknown | | | | & 2 | | |---+---------------------------------+-----------+----------| | | Factory configured-do not alter | E2/pins 3 | unknown | | | | & 4 | | |---+---------------------------------+-----------+----------| |>> | Monitor type select color | E2/pins 5 | closed | | | | & 6 | | |---+---------------------------------+-----------+----------| | | Monitor type select monochrome | E2/pins 5 | open | | | | & 6 | | |---+---------------------------------+-----------+----------| | | ATCLK iOSC/2 | E7/1-3, | closed | | | | 4-6 | | |---+---------------------------------+-----------+----------| | | ATCLK iOSC/1 | E7/3-5, | closed | | | | 2-4 | | |---+---------------------------------+-----------+----------| |>> | Mouse port enabled | E12 | closed | |---+---------------------------------+-----------+----------| | | Mouse port disabled | E12 | open | |---+---------------------------------+-----------+----------| |>> | CMOS memory normal operation | E13 | open | |---+---------------------------------+-----------+----------| | | CMOS memory clear | E13 | closed | |---+---------------------------------+-----------+----------| |>> | Onboard speaker enabled | J2B/pins | closed | | | | 1 & 2 | | |---+---------------------------------+-----------+----------| | | Onboard speaker disabled | J2B/pins | open | | | | 1 & 2 | | |---+---------------------------------+-----------+----------| | | Burst mode 3-2-2-2 | JP1 | closed | |---+---------------------------------+-----------+----------| | | Burst mode 2-1-1-1 | JP1 | open | |---+---------------------------------+-----------+----------| | | Cache wait state select 0 wait | JP2 | closed | | | states | | | |---+---------------------------------+-----------+----------| | | Cache wait state select 1 wait | JP2 | open | | | state | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | SRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Jumper | 64K | 256K | |------------------+--------------------+--------------------| | E1A | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | E1B | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | E1C | open | closed | |------------------+--------------------+--------------------| | E1D | open | closed | |------------------+--------------------+--------------------| | E1E | open | closed | |------------------+--------------------+--------------------| | E1F | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | E1G | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | E1H | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | E1I | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | E1J | closed | closed | |------------------+--------------------+--------------------| | E1K | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SRAM CONFIGURATION | |------------------------------------------------------------| | Size | Cache | TAG | |------------------+--------------------+--------------------| | 64KB | (8) 8K x 8 | (1) 8K x 4 | |------------------+--------------------+--------------------| | 256KB | (8) 32K x 8 | (1) 32K x 4 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (4) 256K x 9 | NONE | |------------------+--------------------+--------------------| | 2MB | (4) 256K x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 4MB | (4) 1M x 9 | NONE | |------------------+--------------------+--------------------| | 5MB | (4) 1M x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 16MB | (4) 4M x 9 | NONE | |------------------+--------------------+--------------------| | 17MB | (4) 4M x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 20MB | (4) 4M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------------------------| | Type | E3 | E4 | E5 | E6 | E7 | E8 | |--------+-----------+----------------+-------+----------------+-------+-------| |80386DX | open | 3&4,9&10 |1&3,4&6|3&4,9&11,10&12, |1&3,4&6| 3&4 | | 33 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80386DX | open | 3&4,7&8,9&10 |1&3,4&6| 3&4,9&11,10&12 |1&3,4&6| 5&6 | | 40 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |CX486DLC| open | 3&4,9&10 |1&3,4&6| 3&4,9&11,10&12 |1&3,4&6| 3&4 | | 33 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |CX486DLC| open | 3&4,7&8,9&10 |1&3,4&6| 3&4,9&11,10&12 |1&3,4&6| 5&6 | | 40 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486SX | 2&3 | 1&2,9&10 |3&5,4&6|1&2,5&6,7&9,8&10|1&3,4&6| 1&2 | | 20 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486SX | 2&3 | 1&2,9&10 |3&5,4&6|1&2,5&6,7&9,8&10|1&3,4&6|3&4,5&6| | 25 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486SX | 2&3 | 1&2,9&10 |3&5,4&6|1&2,5&6,7&9,8&10|1&3,4&6| 3&4 | | 33 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486DX |1&2,3&4,5&6| 1&2,9&10 |3&5,4&6|1&2,5&6,7&9,8&10|1&3,4&6| 3&4 | | 33 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486DX2|1&2,3&4,5&6| 1&2,9&10 |3&5,4&6|1&2,5&6,7&9,8&10|1&3,4&6|3&4,5&6| | 50 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486DX |1&2,3&4,5&6|1&2,5&6,7&8,9&10|1&3,2&4|1&2,5&6,7&9,8&10|3&5,2&4|3&4,5&6| | 50 | | | | | | | |--------+-----------+----------------+-------+----------------+-------+-------| |80486DX2|1&2,3&4,5&6| 1&2,9&10 |3&5,4&6|1&2,5&6,7&9,8&10|1&3,4&6| 3&4 | | 66 | | | | | | | |------------------------------------------------------------------------------| |Notes: Pins indicated should be in the closed position. | | | |Early versions of the board (model DT-LB133) do not support the 80486 series | |processor. | +------------------------------------------------------------------------------+