OLIVETTI ======== M4-60/62/64/65/66 Processor 80486SX/80487SX/80486DX/80486DX2 Processor 25/33/50(internal)/50/66(internal)MHz Speed Chip Set Unidentified Max. Onboard 36MB DRAM Cache None BIOS Unidentified Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-----------------+----------+--------------------+----------| | VGA port | CN1 | CD ROM interface | CN6 | |-----------------+----------+--------------------+----------| | Serial port 2 | CN2 | IDE interface | CN7 | |-----------------+----------+--------------------+----------| | Serial port 1 | CN3 | Floppy drive | CN8 | | | | interface | | |-----------------+----------+--------------------+----------| | Parallel port | CN4 | Riser Card | SL1 | |-----------------+----------+--------------------+----------| | PS/2 mouse port | CN5 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | CMOS memory normal operation | J12 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | J12 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | IRQ12 enabled for PS/2 mouse | J13 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ12 disabled | J13 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Serial port 1 bootstrapping | J21 | pins 2 & 3 | | | enabled | | closed | |---+----------------------------------+--------+------------| | | Serial port 1 bootstrapping | J21 | pins 1 & 2 | | | disabled | | closed | |---+----------------------------------+--------+------------| |>> | Serial port 2 bootstrapping | J25 | pins 2 & 3 | | | enabled | | closed | |---+----------------------------------+--------+------------| | | Serial port 2 bootstrapping | J25 | pins 1 & 2 | | | disabled | | closed | |---+----------------------------------+--------+------------| |>> | Floppy drive write enabled | J33 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Floppy drive write disabled | J33 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | On board VGA enabled | J45 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | On board VGA disabled | J45 | pins 1 & 2 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |-----------------+------------------+-----------------------| | 4MB | 4MB | NONE | |-----------------+------------------+-----------------------| | 8MB | 4MB | (1) 1M x 36 | |-----------------+------------------+-----------------------| | 12MB | 4MB | (1) 2M x 36 | |-----------------+------------------+-----------------------| | 20MB | 4MB | (1) 4M x 36 | |-----------------+------------------+-----------------------| | 36MB | 4MB | (1) 8M x 36 | |------------------------------------------------------------| | Note: Bank 0 is factory installed and is not configurable. | | The location is unknown. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 512KB | (1) 411000 | NONE | |------------------+--------------------+--------------------| | 1MB | (1) 411000 | (1) 411000 | +------------------------------------------------------------+