MORSE TECHNOLOGIES, INC. ======================== P1 Processor 80486SX/80487SX/80486DX Processor Speed 16/20/25/33MHz Chip Set Morse Max. Onboard DRAM 16MB Cache 64/128/256KB BIOS AMI/Award Dimensions 220mm x 220mm I/O Options None NPU Options 4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+----------+----------------+----------| | External battery | JP2 | Turbo LED | JP16 | |---------------------+----------+----------------+----------| | Power LED & keylock | JP14 | Speaker | JP17 | |---------------------+----------+----------------+----------| | Turbo switch | JP15 | Reset switch | JP18 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Battery select internal 3.6VDC | JP4 | Closed | |-----+---------------------------------+---------+----------| | | Battery select external 6VDC | JP4 | Open | |-----+---------------------------------+---------+----------| |>> | Parity check enabled | JP5 | Closed | |-----+---------------------------------+---------+----------| | | Parity check disabled | JP5 | Open | |-----+---------------------------------+---------+----------| |>> | Monitor type select color | JP6 | Closed | |-----+---------------------------------+---------+----------| | | Monitor type select monochrome | JP6 | Open | |-----+---------------------------------+---------+----------| |>> | CMOS memory normal operation | JP7 | Open | |-----+---------------------------------+---------+----------| | | CMOS memory clear | JP7 | Closed | |-----+---------------------------------+---------+----------| |>> | Keyboard diagnostic disabled | JP19 | Open | |-----+---------------------------------+---------+----------| | | Keyboard diagnostic enabled | JP19 | Closed | |------------------------------------------------------------| | Note:Locations of JP5, JP6, JP7, & JP19 are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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) 4M x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 20MB | (4) 1M x 9 | (4) 4M x 9 | |------------------+--------------------+--------------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG (U26) | TAG (U42) | |-------+-------------+------------+------------+------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | NONE | |-------+-------------+------------+------------+------------| | 128KB | NONE | (4) 32K x | (1) 8K x 8 | NONE | | | | 8 | | | |-------+-------------+------------+------------+------------| | 256KB | (4) 32K x 8 | (4) 32K x | (1) 8K x 8 | (1) 8K x 8 | | | | 8 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | SRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP8A | JP8B | JP8D | JP8E | JP8F | |---------+----------+----------+---------+---------+--------| | 64KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |---------+----------+----------+---------+---------+--------| | 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | |---------+----------+----------+---------+---------+--------| | 256KB | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP12 | JP13 | JP30 | |-------------+---------------+---------------+--------------| | 80486SX | Pins 2 & 3 | pins 2 & 3 | Open | | | closed | closed | | |-------------+---------------+---------------+--------------| | 80487SX | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |-------------+---------------+---------------+--------------| | 80486DX | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |------------------------------------------------------------| | Note:When changing the CPU, the Oscillator at Y2 must also | | be changed so that its speed is equal | | | | to twice the speed of the processor. e.g. A 25MHz CPU | | would require a 50MHz Oscillator. | +------------------------------------------------------------+