COMPUADD, INC. ============== 386 SERIES MODELS 320/325 Processor 80386DX Processor 20/25MHz Speed Chip Set Unidentified Max. Onboard 16MB (on external memory card) DRAM Cache 32KB (exact location unidentified) BIOS Unidentified Dimensions 330mm x 218mm I/O Options 32-bit external memory card, IDE interface, serial ports (2), parallel port NPU Options 80387DX +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Speaker | J1 | IDE interface | J15 | | | | LED | | |-------------------+----------+------------------+----------| | Power LED & | J4 | Reset switch | J24 | | keylock | | | | |-------------------+----------+------------------+----------| | External battery | J7 | 32-bit external | SL1 | | | | memory card | | |-------------------+----------+------------------+----------| | IDE interface | J8 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper/Switch | Position | |-------------------------------+---------------+------------| |>> | Monitor type select color | J3 | Closed | |---+---------------------------+---------------+------------| | | Monitor type select | J3 | Open | | | monochrome | | | |---+---------------------------+---------------+------------| |>> | Cache enabled | J6 | Closed | |---+---------------------------+---------------+------------| | | Cache disabled | J6 | Open | |---+---------------------------+---------------+------------| |>> | IDE active high reset | J9 | pins 1 & 2 | | | | | closed | |---+---------------------------+---------------+------------| | | IDE active low reset | J9 | pins 2 & 3 | | | | | closed | |---+---------------------------+---------------+------------| |>> | IDE interface enabled | J10 | Closed | |---+---------------------------+---------------+------------| | | IDE interface disabled | J10 | Open | |---+---------------------------+---------------+------------| |>> | Cache enabled | J14 | pins 1 & 2 | | | | | closed | |---+---------------------------+---------------+------------| | | Cache disabled | J14 | pins 2 & 3 | | | | | closed | |---+---------------------------+---------------+------------| |>> | Serial port 1 enabled | SW1/1 | On | | | (IRQ4) | | | |---+---------------------------+---------------+------------| | | Serial port 1 disabled | SW1/1 | Off | | | (IRQ4) | | | |---+---------------------------+---------------+------------| |>> | Serial port 2 enabled | SW1/2 | On | | | (IRQ3) | | | |---+---------------------------+---------------+------------| | | Serial port 2 disabled | SW1/2 | Off | | | (IRQ3) | | | |---+---------------------------+---------------+------------| |>> | Parallel port enabled | SW1/3 | On | |---+---------------------------+---------------+------------| | | Parallel port disabled | SW1/3 | Off | |---+---------------------------+---------------+------------| |>> | Parallel port IRQ select | SW1/4 | On | | | IRQ7 | | | |---+---------------------------+---------------+------------| | | Parallel port IRQ select | SW1/4 | Off | | | IRQ5 | | | |---+---------------------------+---------------+------------| |>> | Factory configured - do | SW1/5 | Off | | | not alter | | | |---+---------------------------+---------------+------------| |>> | Factory configured - do | SW1/6 | Off | | | not alter | | | |------------------------------------------------------------| | Note : On some revisions, switch SW1 may be a 4-position | | switch. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Note: The location and configuration of the cache is | | unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | NPU CONFIGURATION | |------------------------------------------------------------| | Setting | J12 | J13 | |--------------------+-------------------+-------------------| | NPU not installed | Closed | Open | |--------------------+-------------------+-------------------| | NPU installed | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIOS CONFIGURATION | |------------------------------------------------------------| | Size | J5 | |----------------------------+-------------------------------| | 27128 | pins 1 & 8, 2 & 7 closed | |----------------------------+-------------------------------| | 27256 | pins 3 & 6, 4 & 5 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Switch | Position | |----------------------------------------+--------+----------| |>> | Memory between 512KB & 640KB | SW1/5 | On | | | enabled | | | |---+------------------------------------+--------+----------| | | Memory between 512KB & 640KB | SW1/5 | Off | | | disabled | | | |---+------------------------------------+--------+----------| |>> | Memory between 256KB & 512KB | SW1/6 | On | | | enabled | | | |---+------------------------------------+--------+----------| | | Memory between 256KB & 512KB | SW1/6 | Off | | | disabled | | | |---+------------------------------------+--------+----------| |>> | Factory configured - do not alter | SW1/7 | Off | |---+------------------------------------+--------+----------| |>> | Factory configured - do not alter | SW1/8 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (4) 256K x | NONE | NONE | NONE | | | 9 | | | | |------+-------------+-------------+------------+------------| | 2MB | (4) 256K x | (4) 256K x | NONE | NONE | | | 9 | 9 | | | |------+-------------+-------------+------------+------------| | 3MB | (4) 256K x | (4) 256K x | (4) 256K x | NONE | | | 9 | 9 | 9 | | |------+-------------+-------------+------------+------------| | 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x | | | 9 | 9 | 9 | 9 | |------+-------------+-------------+------------+------------| | 4MB | (4) 1M x 9 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | |------+-------------+-------------+------------+------------| | 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE | |------+-------------+-------------+------------+------------| | 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION | |------------------------------------------------------------| | Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 | |-----------+------------+-----------+-----------+-----------| | 1MB | Off | Off | Off | Off | |-----------+------------+-----------+-----------+-----------| | 2MB | On | Off | Off | Off | |-----------+------------+-----------+-----------+-----------| | 3MB | On | On | Off | Off | |-----------+------------+-----------+-----------+-----------| | 4MB | On | On | On | Off | |-----------+------------+-----------+-----------+-----------| | 4MB | Off | Off | Off | On | |-----------+------------+-----------+-----------+-----------| | 8MB | On | Off | Off | On | |-----------+------------+-----------+-----------+-----------| | 12MB | On | On | Off | On | |-----------+------------+-----------+-----------+-----------| | 16MB | On | On | On | On | +------------------------------------------------------------+