UNIDENTIFIED ============ 401 386SX Processor 80386SX Processor Speed 16MHz Chip Set VLSI Max. Onboard DRAM 8MB Cache None BIOS Award Dimensions 330mm x 218mm I/O Options None NPU Options 80387SX +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Power LED & | JP1 | Turbo switch | JP15 | | keylock | | | | |-------------------+----------+------------------+----------| | Speaker | JP2 | External battery | JP18 | |-------------------+----------+------------------+----------| | Reset switch | JP3 or | Turbo LED | JP20 | | | JP17 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | NPU mode select synchronous with | JP4 | Open | | | CPU | | | |---+----------------------------------+--------+------------| | | NPU mode select synchronous with | JP4 | Closed | | | oscillator installed at X1 | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP5 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP8 | pins 2 & 3 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP9 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Monitor type select color | JP10 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Monitor type select monochrome | JP10 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP11 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP12 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP13 | Closed | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP14 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | BIOS type select 27256 | JP16 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | BIOS type select 27512 | JP16 | pins 1 & 2 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 512KB | (18) 41256 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 512KB | NONE | NONE | (2) 256K x | NONE | | | | | 9 | | |-------+-------------+------------+------------+------------| | 1MB | (18) 41256 | (18) 41256 | NONE | NONE | |-------+-------------+------------+------------+------------| | 1MB | NONE | NONE | (2) 256K x | (2) 256K x | | | | | 9 | 9 | |-------+-------------+------------+------------+------------| | 2MB | (18) 411000 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 2MB | NONE | NONE | (2) 1M x 9 | NONE | |-------+-------------+------------+------------+------------| | 4MB | (18) 411000 | (18) | NONE | NONE | | | | 411000 | | | |-------+-------------+------------+------------+------------| | 4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 | |-------+-------------+------------+------------+------------| | 5MB | (18) 411000 | (18) | (2) 256K x | (2) 256K x | | | | 411000 | 9 | 9 | |-------+-------------+------------+------------+------------| | 6MB | (18) 411000 | (18) | (2) 1M x 9 | NONE | | | | 411000 | | | |-------+-------------+------------+------------+------------| | 8MB | (18) 411000 | (18) | (2) 1M x 9 | (2) 1M x 9 | | | | 411000 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | DRAM mode | Max. | Wait | DRAM | JP6 | JP7 | | | Pages | States | speed | | | |------------+---------+------------+--------+-------+-------| | F4 | 4 | 0 or 1 | 80ns | 2 & 3 | 2 & 3 | |------------+---------+------------+--------+-------+-------| | F1 | 1 | 0 or 1 | 100ns | 1 & 2 | 2 & 3 | |------------+---------+------------+--------+-------+-------| | W01 | 4 | 1 or 2 | 100ns | 2 & 3 | 1 & 2 | |------------+---------+------------+--------+-------+-------| | W02 | 4 | 2 or 3 | 120ns | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+