PEAKTRON COMPUTER, INC. PX-3000 TURBO XT Processor 8088 Processor Speed 12MHz Chip Set Peaktron Max. Onboard DRAM 640KB Cache None BIOS Peaktron Dimensions 218mm x 187mm I/O Options None NPU Options 8087 [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 Turbo switch J14 Keylock J2 Turbo LED J15 Speaker J13 Power LED J16 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Parity check enabled P1 Open Parity check disabled P1 Closed » CPU speed select switchable P2 pins 1 & 2 at turbo turbo switch closed CPU speed select switchable P2 pins 2 & 3 at keyboard closed » Factory configured - do not SW1/1 N/A alter » Factory configured - do not SW1/2 N/A alter » Factory configured - do not SW1/3 N/A alter » Factory configured - do not SW1/4 N/A alter DRAM CONFIGURATION Size U28 - U29 U15 - U18 U19 - U22 U28 - 31 U34 256KB (2) 44256 NONE NONE NONE NONE 256KB NONE (4) 41256 (4) 41256 NONE NONE 512KB NONE NONE NONE (4) 44256 NONE 640KB NONE NONE NONE (4) 44256 NONE DRAM PARITY CONFIGURATION Size U23 U43 U48 256KB (1) 41256 NONE NONE 256KB (1) 41256 NONE NONE 512KB (1) 41256 (1) 41256 NONE 640KB (1) 41256 (1) 41256 NONE Note:One (1) 411000 can be used in location U23 for parity with all memory sizes. DRAM PARITY JUMPER CONFIGURATION Size P3 P4 256KB pins 2 & 3 closed pins 2 & 3 closed 256KB pins 2 & 3 closed pins 2 & 3 closed 512KB pins 2 & 3 closed pins 2 & 3 closed 640KB pins 1 & 2 closed pins 1 & 2 closed VIDEO CONFIGURATION Size SW1/5 SW1/6 None On On Color (40 x 20) Off On Color (80 x 25) On Off Monochrome Off Off FLOPPY DRIVE CONFIGURATION Drives installed SW1/7 SW1/8 1 On On 2 Off On 3 On Off 4 Off Off