UNIDENTIFIED NEAT 286 Processor 80286 Processor Speed 12/16MHz Chip Set C & T NEAT Max. Onboard DRAM 8MB Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options 16-bit external memory card slot NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location External battery J3 Turbo switch JP5 Speaker J4 Turbo LED LE1 Power LED & keylock J5 16-bit external S1 memory card Reset switch JP4 USER CONFIGURABLE SETTINGS Function Jumper Position » BIOS type select 27256 JP1 pins 2 & 3 closed BIOS type select 27128 JP1 pins 1 & 2 closed » NPU mode select asynchronous with JP3, JP6 pins 2 & 3 CPU closed NPU mode select synchronous with JP3, JP6 pins 1 & 2 CPU closed » Monitor type select color JP7 Closed Monitor type select monochrome JP7 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 DRAM Mode 512KB (18) 41256 NONE NONE NONE 1 512KB NONE NONE (2) 256K NONE 2 x 9 640KB (18) 41256 (18) 4164 NONE NONE 1 640KB NONE NONE (2) 256K (2) 64K x 2 x 9 9 1MB (18) 41256 (18) 41256 NONE NONE 1 1MB NONE NONE (2) 256K (2) 256K 2 x 9 x 9 1.5MB (18) 41256 (18) 41256 (2) 256K NONE 1 x 9 1.5MB (18) 41256 NONE (2) 256K (2) 256K 2 x 9 x 9 1.64MB (18) 41256 (18) 4164 (2) 256K (2) 256K 1 x 9 x 9 1.64MB (18) 41256 (18) 41256 (2) 256K (2) 64K x 2 x 9 9 2MB (18) 41256 (18) 41256 (2) 256K (2) 256K 1 or 2 x 9 x 9 2MB (18) 41100 NONE NONE NONE 1 2MB NONE NONE (2) 1M x NONE 2 9 3MB (18) 41256 (18) 41256 (2) 1M x NONE 1 9 3MB (18) 41100 NONE (2) 256K (2) 256K 2 x 9 x 9 4MB (18) 41100 (18) 41100 NONE NONE 1 4MB NONE NONE (2) 1M x (2) 1M x 2 9 9 4.64MB (18) 41256 (18) 4164 (2) 1M x (2) 1M x 1 9 9 4.64MB (18) 41100 (18) 41100 (2) 256K (2) 64K x 2 x 9 9 5MB (18) 41256 (18) 41256 (2) 1M x (2) 1M x 1 9 9 5MB (18) 41100 (18) 41100 (2) 256K (2) 256K 2 x 9 x 9 6MB (18) 41100 (18) 41100 (2) 1M x NONE 1 9 6MB (18) 41100 NONE (2) 1M x (2) 1M x 2 9 9 8MB (18) 41100 (18) 41100 (2) 1M x (2) 1M x 1 or 2 9 9 DRAM MODE JUMPER CONFIGURATION JP2 DRAM Mode 1 DRAM Mode 2 pins 1 & 2 Open Closed pins 2 & 3 Closed Open pins 3 & 4 Open Closed pins 4 & 5 Closed Open pins 5 & 6 Open Open pins 6 & 7 Open Closed pins 7 & 8 Closed Open pins 8 & 9 Open Closed pins 9 & 10 Closed Open pins 10 & 11 Open Open pins 11 & 12 Open Closed pins 12 & 13 Closed Open pins 13 & 14 Open Closed pins 14 & 15 Closed Open pins 15 & 16 Open Open pins 16 & 17 Open Closed pins 17 & 18 Closed Open pins 18 & 19 Open Closed pins 19 & 20 Closed Open pins 20 & 21 Open Open pins 21 & 22 Open Closed pins 22 & 23 Closed Open pins 23 & 24 Open Closed pins 24 & 25 Closed Open pins 25 & 26 Open Open pins 26 & 27 Open Closed pins 27 & 28 Closed Open pins 28 & 29 Open Closed pins 29 & 30 Closed Open