TEXAS INSTRUMENTS SYSTEM SP1000 Processor 80386SX Processor Speed 16MHz Chip Set AMD Max. onboard DRAM 1MB Cache None BIOS AMD Dimensions 355mm x 304mm I/O Options 32-bit proprietary bus slot NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Control panel J23 32-bit proprietary bus S1 connector slot USER CONFIGURABLE SETTINGS Function Switch Position » Monitor type select SW1/switch 5 Off monochrome Monitor type select color SW1/switch 5 On » CPU speed select smart mode SW1/switch 6 On CPU speed select 16MHz SW1/switch 6 Off » Factory configured - do not SW2/switch 1 N/A alter » System select 1 wait state SW2/switch 3 Off System select 0 wait states SW2/switch 3 On » Factory configured - do not SW2/switch 4 N/A alter Note:In the smart mode, the processor slows down during accesses to the diskette drive. BIOS CONFIGURATION BIOS SW1/switch 1 SW1/switch 2 SW1/switch 3 SW1/switch 4 » 27128 On On Off Off 27256 Off Off On On NPU CONFIGURATION NPU J20 J21 J22 » Enabled pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed Disabled pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed SYSTEM DRAM CONFIGURATION Size DIPPs 1MB (32) 41256 SYSTEM MEMORY MODE CONFIGURATION Base BIOS External SW1/7 SW1/8 SW2/2 Memory 640KB Normal 0KB On On Off 640KB Loaded 0KB On Off Off high 640KB Normal 256KB Off On On 640KB Loaded 256KB Off Off On high [Image] [Image] USER CONFIGURABLE SETTINGS FOR EXTERNAL MEMORY Function Jumper Position » Factory configured - do not JP1 pins 1 & 2 closed alter » Factory configured - do not JP2 pins 2 & 3 closed alter » Factory configured - do not TP1 pins 3 & 8, 4 & 9 alter closed » Factory configured - do not TP2 pins 3 & 8, 4 & 9 alter closed EXTERNAL MEMORY CONFIGURATION Size Bank 1 Bank 2 Bank 3 Bank 4 2MB (16) 411000 NONE NONE NONE 4MB (16) 411000 (16) 411000 NONE NONE 6MB (16) 411000 (16) 411000 (16) 411000 NONE 8MB (16) 411000 (16) 411000 (16) 411000 (16) 411000 EXTERNAL MEMORY SWITCH CONFIGURATION Size SW1/switch 1 SW1/switch 2 SW1/switch 3 2MB On On On 4MB Off On On 6MB Off Off On 8MB Off Off Off