UNIDENTIFIED MB-1212V Processor 80286 Processor Speed 10/12MHz Chip Set VLSI Max. Onboard DRAM 4MB Cache None BIOS AMI/Award/Phoenix Dimensions 330mm x 218mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Reset switch JP1 Turbo switch JP4 Power LED & keylock JP2 Turbo LED JP5 Speaker JP3 External battery JP17 USER CONFIGURABLE SETTINGS Function Jumper Position » Memory speed select 100ns JP6 pins 1 & 2 closed Wait state select 0 wait states JP10 Closed Wait state select 1 wait state JP10 Open BIOS type select 27256 JP11 pins 1 & 2 closed BIOS type select 27128 JP11 pins 2 & 3 closed Monitor type select color JP12 pins 1 & 2 closed Monitor type select monochrome JP12 pins 2 & 3 closed Power good signal detect from JP16 see note power supply Power good signal detect from JP16 see note board Parity check enabled JP19 pins 1 & 2 closed Parity check disabled JP19 pins 2 & 3 closed Note: JP19 is an optional jumper and may not be present on all boards. The settings for JP16 are unidentified. DRAM CONFIGURATION Size Bank 0 Bank 0A Bank 1 Bank 1A Bank 1B 512KB NONE (4) 44256 NONE NONE NONE 640KB NONE (4) 44256 NONE NONE (4) 4164 640KB NONE (4) 44256 (18) 4164 NONE NONE 1MB NONE (4) 44256 NONE (4) 44256 NONE 2MB (18) NONE NONE NONE NONE 41100 4MB (18) NONE (18) NONE NONE 41100 41100 Note: See table below for parity configuration. DRAM PARITY CONFIGURATION Size P 0 P 1 512KB (2) 41256 NONE 640KB (2) 41256 NONE 640KB (2) 41256 NONE 1MB (2) 41256 (2) 41256 2MB NONE NONE 4MB NONE NONE DRAM JUMPER CONFIGURATION Size JP7 JP8 JP9 512KB Closed Closed Closed 640KB Closed Closed Open 1MB Closed Open Closed 2MB Closed Open Open 4MB Open Closed Closed KEYBOARD BIOS CONFIGURATION Setting JP13 JP14 JP15 JP18 Controller on Closed Open Open Open pin 30 Controller on Open Closed Open Open pin 23 Controller on Open Open Closed Open pin 27 Controller on Open Open Open Closed pin 32