SINGA 286G Processor 80286 Processor Speed 12MHz Chip Set GC Max. Onboard DRAM 8MB Cache None BIOS Quadtel Dimensions 330mm x 218mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Reset switch JP4 Speaker J2 Turbo LED JP12 Power LED & keylock J8 Turbo switch JP14 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Factory configured - do not JP1 N/A alter » I/O wait state select one JP5 Open I/O wait states select zero JP5 Closed » NPU clock select synchronous JP9 pins 1 & 2 with CPU closed NPU clock select synchronous JP9 pins 2 & 3 with OSC1 closed » Monitor type select color JP13 Closed Monitor type select JP13 Open monochrome » Parity check enabled JP19 pins 1 & 2 closed Parity check disabled JP19 pins 2 & 3 closed » Communications port select JP20 Closed COM1/COM2 Communications port select JP20 Open COM3/COM4 » Enable IRQ5 for parallel port SW1/1 On Enable IRQ7 for parallel port SW1/2 On » Enable IRQ3 for serial port 2 SW1/3 On » Enable IRQ4 for serial port 1 SW1/4 On » Port select LPT1 SW1/5 On Port select LPT2 SW1/5 Off » Printer port 1 enabled SW1/6 On Printer port 1 disabled SW1/6 Off » Serial port S1 enabled SW1/7 On Serial port S1 disabled SW1/7 Off » Serial port S2 enabled SW1/8 On Serial port S2 disabled SW1/8 Off » Factory configured - do not SW2/1 N/A alter » Memory between 640 and 1024KB SW2/2 On available Memory between 640 and 1024KB SW2/2 Off not available » SIMM type at Bank 0select SW2/3 On 256K x 9 SIMM type at Bank 0select 1M SW2/3 Off x 9 » I/O speed select slow SW2/6 On I/O speed select fast SW2/6 Off Note:The location of I/O ports is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (18) 41256 NONE NONE NONE 512KB NONE NONE (2) 256K x NONE 9 1MB (18) 41256 (18) 41256 NONE NONE 1MB NONE NONE (2) 256K x (2) 256K x 9 9 1.5MB (18) 41256 (18) 41256 (2) 256K x NONE 9 1.5MB (18) 41256 NONE (2) 256K x (2) 256K x 9 9 2MB (18) 411000 NONE NONE NONE 2MB NONE NONE (2) 1M x 9 NONE 3MB (18) 411000 NONE (2) 256K x (2) 256K x 9 9 4MB (18) 411000 (18) 411000 (2) 1M x 9 NONE 4MB NONE NONE (2) 1M x 9 (2) 1M x 9 5MB (18) 411000 (18) 411000 (2) 256K x (2) 256K x 9 9 5MB (18) 41256 (18) 41256 (2) 1M x 9 (2) 1M x 9 6MB (18) 411000 (18) 411000 (2) 1M x 9 NONE 8MB (18) 411000 (18) 411000 (2) 1M x 9 (2) 1M x 9 DRAM CONFIGURATION Size JP15 JP16 JP17 JP18 512KB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 512KB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 1MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 1MB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 1.5MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 1.5MB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 2MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 2MB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 3MB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 4MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 4MB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 5MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 5MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 6MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 8MB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed BIOS CONFIGURATION Size JP3 JP21 27128 pins 1 & 2 closed pins 1 & 2 closed 27256 pins 2 & 3 closed pins 2 & 3 closed 27512 pins 2 & 3 closed pins 2 & 3 closed