UNIDENTIFIED MB286T 12/16 Processor 80286 Processor Speed 12/16MHz Chip Set Goldstar Max. Onboard DRAM 5MB SRAM Cache None BIOS AMI Dimensions 220mm x 230mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J4 Turbo LED J8 External battery JP5 Reset switch J11 Turbo switch J7 Speaker J13 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP3 closed Monitor type select monochrome JP3 open » CMOS memory normal operation JP6 closed CMOS memory clear JP6 open » Factory configured - do not alter JP14 unknown Note: Location of JP3 is unverified. BASE MEMORY SELECT Banks JP17,JP18,JP19,JP20,JP21 & JP22 Base memory : Banks 2 & 3 pins 1 & 2 closed Base memory : Banks 0 & 1 pins 2 & 3 closed (Expansion memory : Banks 2 & 3) Note: Exact arrangement & size of DIPP sockets unverified. DRAM CONFIGURATION Size DIP Bank 0 DIP Bank 1 SIMM Bank 2 SIMM Bank 3 512KB (4) 44256 & NONE NONE NONE (2) 41256 1MB (4) 44256 & (4) 44256 & NONE NONE (2) 41256 (2) 41256 2MB (4) 44256 & (4) 44256 & (2) 256K x (2) 256K x 9 9 (2) 41256 (2) 41256 3MB (4) 44256 & (4) 44256 & (2) 1M x 9 NONE (2) 41256 (2) 41256 5MB (4) 44256 & (4) 44256 & (2) 1M x 9 (2) 1M x 9 (2) 41256 (2) 41256 Note: This table for use when banks 0 & 1 are used for base memory and banks 2 & 3 are used for expansion memory. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB NONE NONE (2) 256K x 9 NONE 1MB NONE NONE (2) 256K x 9 (2) 256K x 9 2MB NONE NONE (2) 1M x 9 NONE 2.5MB NONE NONE (2) 256K x 9 (2) 1M x 9 4MB NONE NONE (2) 1M x 9 (2) 1M x 9 Note: This table for use when banks 2 & 3 are used for base memory only.