DTK COMPUTER, INC. MBVLSI-168 (V.2) Processor 80286 Processor Speed 8/12MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 4MB Maximum Video Memory None Cache None BIOS Unidentified 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 Label Position » Factory configured - do not alter JP6 Pins 1 & 2 (100ns memory) closed Wait state select 0 wait states JP10 Closed Wait state select 1 wait state JP10 Open BIOS type select 27256 JP11 Closed BIOS type select 27128 JP11 Open Monitor type select color JP12 Closed Monitor type select monochrome JP12 Open » Power good signal detect from JP16 Pins 1 & 2 board closed Power good signal detect from JP16 Pins 2 & 3 power supply closed DRAM CONFIGURATION 1 Size Bank 0A Parity 0 Bank 0B Parity 1 512KB (4) 44256 (2) 41256 None None 1MB (4) 44256 (2) 41256 (4) 44256 (2) 41256 DRAM JUMPER CONFIGURATION 1 Size JP7 JP8 JP9 512KB Closed Closed Closed 1MB Closed Open Closed DRAM CONFIGURATION 2 Size Bank 0 Parity 0 Bank 1 Parity 1 512KB (16) 41256 (2) 41256 None None 640KB (16) 41256 (2) 41256 (16) 4164 (2) 4164 1MB (16) 41256 (2) 41256 (16) 41256 (2) 41256 2MB (16) 411000 (2) 411000 None None 4MB (16) 411000 (2) 411000 (16) 411000 (2) 411000 DRAM JUMPER CONFIGURATION 2 Size JP7 JP8 JP9 512KB Closed Closed Closed 640KB Closed Closed Open 1MB Closed Open Closed 2MB Closed Open Open 4MB Open Closed Closed DRAM CONFIGURATION 3 Size Bank 2 Bank 3 512KB (2) 256K x 9 None 1MB (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 None 4MB (2) 1M x 9 (2) 1M x 9 DRAM JUMPER CONFIGURATION 3 Size JP7 JP8 JP9 512KB Closed Closed Closed 1MB Closed Open Closed 2MB Closed Open Open 4MB Open Closed Closed KEYBOARD BIOS PIN SELECTION Setting JP13 JP14 JP15 JP18 Pin 23 Open Closed Open Open Pin 27 Open Open Closed Open Pin 30 Closed Open Open Open Pin 32 Open Open Open Closed