MECER CORPORATION ================= B815B (VER. B) Processor 80386DX/CX486DLC/CX486M6/80486SX/80486DX/80486DX2 Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set Unidentified Max. Onboard 128MB DRAM Cache 128/256KB BIOS AMI Dimensions 254mm x 218mm I/O Options None NPU Options 80387DX +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+-----------+--------------+-----------| | Auxiliary keyboard | JP1 | Turbo LED | JP27 pins | | connector | | | 11 - 12 | |---------------------+-----------+--------------+-----------| | External battery | JP12 | Turbo switch | JP27 pins | | | | | 16 - 17 | |---------------------+-----------+--------------+-----------| | Power LED & keylock | JP27 pins | Reset switch | JP27 pins | | | 1 - 5 | | 19 - 20 | |---------------------+-----------+--------------+-----------| | Speaker | JP27 pins | | | | | 7 - 10 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Monitor type select monochrome | JP10 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Monitor type select color | JP10 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Battery enabled | JP13 | Closed | |---+----------------------------------+--------+------------| | | Battery disabled | JP13 | Open | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP17 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP18 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP21 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP22 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP28 | pins 1 & 2 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP33 | pins 2 & 3 | | | alter | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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) 256K x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 16MB | (4) 4M x 9 | NONE | |------------------+--------------------+--------------------| | 17MB | (4) 256K x 9 | (4) 4M x 9 | |------------------+--------------------+--------------------| | 20MB | (4) 1M x 9 | (4) 4M x 9 | |------------------+--------------------+--------------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | |------------------+--------------------+--------------------| | 64MB | (4) 16M x 9 | NONE | |------------------+--------------------+--------------------| | 65MB | (4) 256K x 9 | (4) 16M x 9 | |------------------+--------------------+--------------------| | 68MB | (4) 1M x 9 | (4) 16M x 9 | |------------------+--------------------+--------------------| | 80MB | (4) 4M x 9 | (4) 16M x 9 | |------------------+--------------------+--------------------| | 128MB | (4) 16M x 9 | (4) 16M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP24 | JP25 | |-------------------+-------------------+--------------------| | 128KB | Open | pins 2 & 3 closed | |-------------------+-------------------+--------------------| | 256KB | Closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | J1 | JP2 | JP3 | JP4 | |---------------------+--------------+-------+-------+-------| | 80386DX-40 (80MHz) | 6 & 8 | 2 & 3 | 1 & 2 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | CX486DLC-40 (80MHz) | 6 & 8 | 2 & 3 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | CX486M6-33 (33MHz) | 5 & 7 | 2 & 3 | 2 & 3 | 1 & 2 | |---------------------+--------------+-------+-------+-------| | CX486M6-33 (66MHz) | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | |---------------------+--------------+-------+-------+-------| | CX486M6-40 (40MHz) | 1 & 2, 3 & 4 | 2 & 3 | 2 & 3 | 1 & 2 | |---------------------+--------------+-------+-------+-------| | CX486M6-33 (33MHz) | 5 & 7 | 2 & 3 | 2 & 3 | 1 & 2 | | C6 | | | | | |---------------------+--------------+-------+-------+-------| | CX486M6-33 (66MHz) | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | | C6 | | | | | |---------------------+--------------+-------+-------+-------| | CX486M6-40 (40MHz) | 1 & 2, 3 & 4 | 2 & 3 | 2 & 3 | 1 & 2 | | C6 | | | | | |---------------------+--------------+-------+-------+-------| | 80486SX-25 (25MHz) | 3 & 4, 5 & 7 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486SX-25 (50MHz) | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486SX-33 (33MHz) | 5 & 7 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486SX-33 (66MHz) | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX-33 (33MHz) | 5 & 7 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX-33 (66MHz) | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX-40 (40MHz) | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX-50 (50MHz) | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX2-50 (25MHz) | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX2-50 (50MHz) | 3 & 4, 5 & 7 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX2-66 (33MHz) | 5 & 7 | 1 & 2 | 2 & 3 | 2 & 3 | |---------------------+--------------+-------+-------+-------| | 80486DX2-66 (66MHz) | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP11 | JP14 | JP15 | JP16 | JP19 | |--------------------+-------+-------+-------+-------+-------| | 80386DX-40 (80MHz) | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |--------------------+-------+-------+-------+-------+-------| | CX486DLC-40 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | | (80MHz) | | | | | | |--------------------+-------+-------+-------+-------+-------| | CX486M6-33 (33MHz) | 2 & 3 | 2 & 3 | Open | 1 & 2 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | CX486M6-33 (66MHz) | 1 & 2 | 2 & 3 | Open | 1 & 2 | 2 & 3 | |--------------------+-------+-------+-------+-------+-------| | CX486M6-40 (40MHz) | 2 & 3 | 2 & 3 | Open | 1 & 2 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | CX486M6-33 (33MHz) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | | C6 | | | | | | |--------------------+-------+-------+-------+-------+-------| | CX486M6-33 (66MHz) | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | | C6 | | | | | | |--------------------+-------+-------+-------+-------+-------| | CX486M6-40 (40MHz) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | | C6 | | | | | | |--------------------+-------+-------+-------+-------+-------| | 80486SX-25 (25MHz) | 2 & 3 | 2 & 3 | Open | 1 & 2 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | 80486SX-25 (50MHz) | 1 & 2 | 2 & 3 | Open | 1 & 2 | 2 & 3 | |--------------------+-------+-------+-------+-------+-------| | 80486SX-33 (33MHz) | 2 & 3 | 2 & 3 | Open | 1 & 2 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | 80486SX-33 (66MHz) | 1 & 2 | 2 & 3 | Open | 1 & 2 | 2 & 3 | |--------------------+-------+-------+-------+-------+-------| | 80486DX-33 (33MHz) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | 80486DX-33 (66MHz) | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |--------------------+-------+-------+-------+-------+-------| | 80486DX-40 (40MHz) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | 80486DX-50 (50MHz) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | |--------------------+-------+-------+-------+-------+-------| | 80486DX2-50 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | | (25MHz) | | | | | | |--------------------+-------+-------+-------+-------+-------| | 80486DX2-50 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | | (50MHz) | | | | | | |--------------------+-------+-------+-------+-------+-------| | 80486DX2-66 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | | (33MHz) | | | | | | |--------------------+-------+-------+-------+-------+-------| | 80486DX2-66 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | | (66MHz) | | | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP29 | JP30 | JP31 | JP32 | JP34 | |---------------+--------+--------+--------+--------+--------| | 80386DX-40 | Open | Open | Closed | Closed | Open | | (80MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486DLC-40 | Open | Open | Closed | Closed | Closed | | (80MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486M6-33 | Closed | Closed | Open | Open | Open | | (33MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486M6-33 | Closed | Closed | Open | Open | Open | | (66MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486M6-40 | Closed | Closed | Open | Open | Open | | (40MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486M6-33 | Open | Open | Closed | Closed | Open | | (33MHz) C6 | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486M6-33 | Open | Open | Closed | Closed | Open | | (66MHz) C6 | | | | | | |---------------+--------+--------+--------+--------+--------| | CX486M6-40 | Open | Open | Closed | Closed | Open | | (40MHz) C6 | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486SX-25 | Open | Open | Closed | Closed | Open | | (25MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486SX-25 | Open | Open | Closed | Closed | Open | | (50MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486SX-33 | Open | Open | Closed | Closed | Open | | (33MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486SX-33 | Open | Open | Closed | Closed | Open | | (66MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX-33 | Open | Open | Closed | Closed | Open | | (33MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX-33 | Open | Open | Closed | Closed | Open | | (66MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX-40 | Open | Open | Closed | Closed | Open | | (40MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX-50 | Open | Open | Closed | Closed | Open | | (50MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX2-50 | Open | Open | Closed | Closed | Open | | (25MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX2-50 | Open | Open | Closed | Closed | Open | | (50MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX2-66 | Open | Open | Closed | Closed | Open | | (33MHz) | | | | | | |---------------+--------+--------+--------+--------+--------| | 80486DX2-66 | Open | Open | Closed | Closed | Open | | (66MHz) | | | | | | +------------------------------------------------------------+