MYLEX CORPORATION ================= MB386 Processor 80386DX Processor speed 16/20MHz Chip Set TI Max. Onboard DRAM 4MB BIOS Mylex Cache 64KB Dimensions 330mm x 305mm I/O Options None NPU Options 80287 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+-----------+-----------------+-----------| | Reset switch | J2 | Battery | J21 | |------------------+-----------+-----------------+-----------| | Speaker | J19 | Turbo LED | J39 | |------------------+-----------+-----------------+-----------| | Keylock | J20 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Switch | Position | |----------------------------------------+--------+----------| |>> | Factory configured - do not alter | J6 | N/A | |---+------------------------------------+--------+----------| |>> | EGA BIOS disabled | SW1/5 | Off | |---+------------------------------------+--------+----------| | | EGA BIOS enabled | SW1/5 | On | |---+------------------------------------+--------+----------| |>> | Factory configured - do not alter | SW1/6 | Off | |---+------------------------------------+--------+----------| |>> | CPU speed select 16MHz (cache | SW1/7 | Off | | | enabled) | | | |---+------------------------------------+--------+----------| | | CPU speed select 8MHz (cache | SW1/7 | On | | | disabled) | | | |---+------------------------------------+--------+----------| |>> | Monitor type select color | SW1/8 | On | |---+------------------------------------+--------+----------| | | Monitor type select monochrome | SW1/8 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | |----------------------------+-------------------------------| | 1MB | (36) 41256 | |----------------------------+-------------------------------| | 4MB | (36) 411000 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION | |------------------------------------------------------------| | DRAM< 1MB | DRAM> 1MB | Cacheable DRAM < | SW1/1 | SW1/2 | | | | 1MB | | | |-----------+-----------+--------------------+-------+-------| | 256KB | 0KB | 256KB | On | On | |-----------+-----------+--------------------+-------+-------| | 256KB | 0KB | 512KB | On | Off | |-----------+-----------+--------------------+-------+-------| | 256KB | 0KB | 640KB | On | Off | |-----------+-----------+--------------------+-------+-------| | 512KB | 512KB | 640KB | Off | On | |-----------+-----------+--------------------+-------+-------| | 640KB | 0KB | 640KB | Off | On | |-----------+-----------+--------------------+-------+-------| | 640KB | 348KB | 640KB | Off | On | |-----------+-----------+--------------------+-------+-------| | 512KB | 3MB | 512KB | Off | Off | |-----------+-----------+--------------------+-------+-------| | 512KB | 3.5MB | 512KB | Off | Off | |-----------+-----------+--------------------+-------+-------| | 640KB | 3MB | 640KB | Off | Off | |-----------+-----------+--------------------+-------+-------| | 640KB | 3.348MB | 640KB | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION (CON'T) | |------------------------------------------------------------| | DRAM< 1MB | DRAM> 1MB | Cacheable DRAM < | SW1/3 | SW1/4 | | | | 1MB | | | |-----------+-----------+--------------------+-------+-------| | 256KB | 0KB | 256KB | On | Off | |-----------+-----------+--------------------+-------+-------| | 256KB | 0KB | 512KB | On | Off | |-----------+-----------+--------------------+-------+-------| | 256KB | 0KB | 640KB | Off | Off | |-----------+-----------+--------------------+-------+-------| | 512KB | 512KB | 640KB | On | Off | |-----------+-----------+--------------------+-------+-------| | 640KB | 0KB | 640KB | Off | On | |-----------+-----------+--------------------+-------+-------| | 640KB | 348KB | 640KB | Off | Off | |-----------+-----------+--------------------+-------+-------| | 512KB | 3MB | 512KB | On | On | |-----------+-----------+--------------------+-------+-------| | 512KB | 3.5MB | 512KB | On | Off | |-----------+-----------+--------------------+-------+-------| | 640KB | 3MB | 640KB | Off | On | |-----------+-----------+--------------------+-------+-------| | 640KB | 3.348MB | 640KB | Off | Off | +------------------------------------------------------------+