TRENTON TECHNOLOGY, INC. ======================== TR-486DX Processor 80486SX/80486DX/80486DX2/80486DX4/P24D/P24T Processor 33/50(internal)/50/66(internal)100(internal)MHz Speed Chip Set Unidentified Video Chip Set None Maximum 128MB Onboard Memory Maximum Video None Memory Cache 256KB BIOS AMI Dimensions Unidentified I/O Options Floppy drive interface, IDE interface, parallel port, serial ports (2) NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+----------+----------------+----------| | Power LED & keylock | P2 | Serial port 2 | P7 | |---------------------+----------+----------------+----------| | Floppy drive | P3 | Parallel port | P8 | | interface | | | | |---------------------+----------+----------------+----------| | Auxiliary keyboard | P4 | CPU fan power | P9 | | connector | | | | |---------------------+----------+----------------+----------| | Speaker | P5 | Reset switch | P10 | |---------------------+----------+----------------+----------| | Combo I/O connector | P5A | IDE interface | P11 | |---------------------+----------+----------------+----------| | Serial port 1 | P6 | IDE interface | P12 | | | | LED | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |---------------------------------------+-------+------------| |>> | Monitor type select color | JU80 | Pins 1 & 2 | | | | | closed | |---+-----------------------------------+-------+------------| | | Monitor type select monochrome | JU80 | Pins 2 & 3 | | | | | closed | |---+-----------------------------------+-------+------------| |>> | Password normal operation | JU81 | Open | |---+-----------------------------------+-------+------------| | | Password clear | JU81 | Closed | |---+-----------------------------------+-------+------------| |>> | Watchdog timer disabled | JU82 | Pins 1 & 2 | | | | | closed | |---+-----------------------------------+-------+------------| | | Watchdog timer enabled | JU82 | Pins 2 & 3 | | | | | closed | |---+-----------------------------------+-------+------------| |>> | CMOS memory normal operation | JU83 | Open | |---+-----------------------------------+-------+------------| | | CMOS memory clear | JU83 | Closed | |---+-----------------------------------+-------+------------| |>> | Speaker data signal to pin 8 on | JU84 | Closed | | | P5A enabled | | | |---+-----------------------------------+-------+------------| | | Speaker data signal to pin 8 on | JU84 | Open | | | P5A disabled | | | |---+-----------------------------------+-------+------------| |>> | Reset data signal to pin 1 on P5A | JU85 | Closed | | | enabled | | | |---+-----------------------------------+-------+------------| | | Reset data signal to pin 1 on P5A | JU85 | Open | | | disabled | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | SIMM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 4M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None | |------+-------------+-------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | (1) 8M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None | |------+-------------+-------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 36MB | (1) 8M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 40MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 40MB | (1) 8M x 36 | (1) 2M x 36 | None | None | +------------------------------------------------------------+ +------------------------------------------------------------+ | SIMM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 40MB | (1) 4M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 44MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 48MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 48MB | (1) 8M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 112MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | |---------------------------+--------------------------------| | 256KB | (8) 32K x 8 | |------------------------------------------------------------| | Note: Bank 0 is factory installed and is not configurable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JU10 | |-------------------------------+----------------------------| | 80486SX | Pins 2 & 3 closed | |-------------------------------+----------------------------| | All other CPU types | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JU11 | |-----------------------------+------------------------------| | S-series CPU | Pins 2 & 3 closed | |-----------------------------+------------------------------| | Non S-series CPU | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JU13 | |-------------------------------+----------------------------| | Non ODP CPU | Closed | |-------------------------------+----------------------------| | ODP CPU | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JU14 | |-------------------------------+----------------------------| | P24D | Closed | |-------------------------------+----------------------------| | P24T | Closed | |-------------------------------+----------------------------| | All other CPU types | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU MULTIPLIER SELECTION | |------------------------------------------------------------| | Multiplier | JU12 | |----------------------------+-------------------------------| | 2x | Pins 2 & 3 closed | |----------------------------+-------------------------------| | 2.5x | Pins 1 & 2 closed | |----------------------------+-------------------------------| | 3x | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CHANNEL SELECTION | |------------------------------------------------------------| | Channel | JU103 | JU104 | |------------------+--------------------+--------------------| | 3 | Pins 7 & 8 closed | Pins 7 & 8 closed | |------------------+--------------------+--------------------| | 5 | Pins 5 & 6 closed | Pins 5 & 6 closed | |------------------+--------------------+--------------------| | 6 | Pins 3 & 4 closed | Pins 3 & 4 closed | |------------------+--------------------+--------------------| | 7 | Pins 1 & 2 closed | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 1 INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JU100 | |----------------------------+-------------------------------| |>> | IRQ4 | Pins 2 & 3 closed | |-----+----------------------+-------------------------------| | | IRQ3 | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JU101 | |----------------------------+-------------------------------| |>> | IRQ3 | Pins 1 & 2 closed | |-----+----------------------+-------------------------------| | | IRQ4 | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JU102 | |----------------------------+-------------------------------| |>> | IRQ7 | Pins 1 & 2 closed | |-----+----------------------+-------------------------------| | | IRQ5 | Pins 2 & 3 closed | +------------------------------------------------------------+