OLIVETTI M300 BS3CARD Processor 80386SX Processor Speed 16MHz Chip Set Unidentified Maximum Onboard Memory 4MB Cache None BIOS Unidentified Dimensions N/A I/O Options PS/2 mouse port NPU Options 80387SX [Image] CONNECTIONS Function Label PS/2 mouse port CN1 USER CONFIGURABLE SETTINGS Setting Label Position » Factory configured - do not alter JP3 Closed » Factory configured - do not alter JP5 Closed A20GATE activated through JP6 Pins 1 & 2 keyboard control closed A20GATE activated in fast mode JP6 Pins 2 & 3 closed Video adapter - on board BIOS JP9 Closed Video adapter - not on board BIOS JP9 Open Mouse IRQ12 enabled JP11 Closed Mouse IRQ12 disabled JP11 Open DRAM Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x 9 (1) 256K x 9 (1) 256K x 9 (1) 256K x 9 2MB (1) 1M x 9 (1) 1M x 9 None None 4MB (1) 1M x 9 (1) 1M x 9 (1) 1M x 9 (1) 1M x 9 DRAM JUMPER Setting JP1 JP2 100ns fast page mode 4 Open Open 100ns fast page mode 1 Open Closed 100ns Closed Open 120ns Closed Closed 82335 Setting JP4 JP7 JP8 JP10 82335A Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed 82335B Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed MISCELLANEOUS TECHNICAL NOTE The location of pin 1 is unidentified on all jumpers.