EPSON, INC. =========== ACTION TOWER 3000 Processor 80486SX/80487SX/80486SX2/80486DX/80486DX2/80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS Unidentified Dimensions 254mm x 218mm I/O Floppy drive interface, game port, IDE interface, parallel port, Options PS/2 mouse port, serial ports (2), VGA port NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-----------------+----------+--------------------+----------| | PS/2 mouse port | CN1 | VGA port | CN6 | |-----------------+----------+--------------------+----------| | Game interface | CN2 | Floppy drive | CN7 | | | | interface | | |-----------------+----------+--------------------+----------| | Serial port 1 | CN3 | IDE interface | CN8 | |-----------------+----------+--------------------+----------| | Serial port 2 | CN4 | External battery | J30 | |-----------------+----------+--------------------+----------| | Parallel port | CN5 | Riser Card | SL1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |-------------------------------------+--------+-------------| |>> | Game interface disabled | J4 | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Game interface enabled | J4 | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Parallel port LPT select LPT1 | J5 | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Parallel port LPT select LPT2 | J5 | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Serial port 1 COM select COM1 | J6 | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 1 COM select COM3 | J6 | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Serial port 2 COM select COM2 | J7 | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 2 COM select COM4 | J7 | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Floppy drive interface enabled | J8 | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Floppy drive interface disabled | J8 | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | VGA interrupt enabled | J10 | Closed | |---+---------------------------------+--------+-------------| | | VGA interrupt disabled | J10 | Open | |---+---------------------------------+--------+-------------| |>> | Battery type select internal | J30 | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Battery type select external | J30 | Closed | |---+---------------------------------+--------+-------------| | | CMOS memory clear | J30 | pins 3 & 4 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Parallel port enabled | JA | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Parallel port disabled | JA | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Serial port 1 enabled | JC | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 1 disabled | JC | pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| |>> | Serial port 2 enabled | JD | pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 2 disabled | JD | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (1) 256K x 36 | NONE | |------------------+--------------------+--------------------| | 2MB | (1) 256K x 36 | (1) 256K x 36 | |------------------+--------------------+--------------------| | 2MB | (1) 512K x 36 | NONE | |------------------+--------------------+--------------------| | 3MB | (1) 512K x 36 | (1) 256K x 36 | |------------------+--------------------+--------------------| | 3MB | (1) 256K x 36 | (1) 512K x 36 | |------------------+--------------------+--------------------| | 4MB | (1) 1M x 36 | NONE | |------------------+--------------------+--------------------| | 5MB | (1) 1M x 36 | (1) 256K x 36 | |------------------+--------------------+--------------------| | 6MB | (1) 1M x 36 | (1) 512K x 36 | |------------------+--------------------+--------------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 8MB | (1) 2M x 36 | NONE | |------------------+--------------------+--------------------| | 9MB | (1) 2M x 36 | (1) 256K x 36 | |------------------+--------------------+--------------------| | 10MB | (1) 2M x 36 | (1) 512K x 36 | |------------------+--------------------+--------------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 16MB | (1) 4M x 36 | NONE | |------------------+--------------------+--------------------| | 17MB | (1) 4M x 36 | (1) 256K x 36 | |------------------+--------------------+--------------------| | 18MB | (1) 4M x 36 | (1) 512K x 36 | |------------------+--------------------+--------------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 24MB | (1) 4M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 32MB | (1) 8M x 36 | NONE | |------------------+--------------------+--------------------| | 33MB | (1) 8M x 36 | (1) 256K x 36 | |------------------+--------------------+--------------------| | 34MB | (1) 8M x 36 | (1) 512K x 36 | |------------------+--------------------+--------------------| | 36MB | (1) 8M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 40MB | (1) 8M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 48MB | (1) 8M x 36 | (1) 4M x 36 | |------------------+--------------------+--------------------| | 48MB | (1) 4M x 36 | (1) 8M x 36 | |------------------+--------------------+--------------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | |------------+---------------+---------------+---------------| | 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | |------------+---------------+---------------+---------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | J23 | J24 | J25 | J26 | |-------+-------------+------------+------------+------------| | 64KB | pins 1 & 2 | pins 1 & 2 | Open | pins 2 & 3 | | | closed | closed | | closed | |-------+-------------+------------+------------+------------| | 128KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | closed | |-------+-------------+------------+------------+------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | J11 | J13 | |-------------------+--------------------+-------------------| | 80486SX | Open | pins 2 & 3 closed | |-------------------+--------------------+-------------------| | 80487SX | pins 2 & 3 closed | pins 1 & 2, 3 & 4 | | | | closed | |-------------------+--------------------+-------------------| | 80486SX2 | pins 1 & 2 closed | pins 2 & 3 closed | | | or Open | | |-------------------+--------------------+-------------------| | 80486DX | pins 1 & 2 closed | pins 1 & 2, 3 & 4 | | | | closed | |-------------------+--------------------+-------------------| | 80486DX2 | pins 1 & 2 closed | pins 1 & 2, 3 & 4 | | | | closed | |-------------------+--------------------+-------------------| | 80486DX4 | pins 1 & 2 closed | pins 1 & 2, 3 & 4 | | | | closed | |-------------------+--------------------+-------------------| | Pentium Overdrive | pins 2 & 3 closed | pins 1 & 2, 3 & 4 | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | J17 | |----------------------------+-------------------------------| | 25MHz | pins 5 & 6 closed | |----------------------------+-------------------------------| | 33MHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | 40MHz | pins 1 & 2, 3 & 4 closed | |----------------------------+-------------------------------| | 50iMHz | pins 5 & 6 closed | |----------------------------+-------------------------------| | 50MHz | pins 3 & 4 closed | |----------------------------+-------------------------------| | 66iMHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | 75iMHz | pins 5 & 6 closed | |----------------------------+-------------------------------| | 100iMHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | J31 | J33 | |------------+--------------------------+--------------------| | 3.3/3.45v | pins 5 & 6, 7 & 8 closed | pins 1 & 2 closed | |------------+--------------------------+--------------------| | 3.6v | pins 5 & 6, 7 & 8 closed | pins 2 & 3 closed | |------------+--------------------------+--------------------| | 5v | pins 1 & 2, 3 & 4 closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIDEO CONFIGURATION | |------------------------------------------------------------| | Setting | J14 | J15 | |-----------------------+------------------+-----------------| | On board VGA enabled | Closed | Closed | |-----------------------+------------------+-----------------| | On board VGA disabled | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDE INTERFACE CONFIGURATION | |------------------------------------------------------------| | Setting | JB | JE | |------------------+--------------------+--------------------| | Enabled | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | Disabled | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+