NCR CORPORATION Personal Computer PC-6 Processor 8088 Processor Speed 4.77MHz Chip Set None Max. Onboard DRAM 640KB Cache None BIOS NCR Dimensions 330mm x 218mm I/O Options Parallel port, serial ports (2), floppy drive interface NPU Options 8087 [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 COM2 Front control panel J7 Serial port 1 COM1 Parallel port LPT Cooling fan FAN Speaker SPK Floppy drive interface J1 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Factory configured - do not JP2 N/A alter » Factory configured - do not JP3 N/A alter » Factory configured - do not JP4 N/A alter » Factory configured - do not JP5 N/A alter » Factory configured - do not JP6 N/A alter » Factory configured - do not JP7 N/A alter » Factory configured - do not SW1/1 N/A alter » NPU absent SW1/2 On NPU present SW1/2 Off » Factory configured - do not SW1/3 Off alter » Factory configured - do not SW1/4 Off alter » Serial ports enabled SWA/3 On Serial ports disabled SWA/3 Off » Parallel port enabled SWA/4 On Parallel port disabled SWA/4 Off » Factory configured - do not SWA/5 On alter » Factory configured - do not SWA/6 N/A alter » Factory configured - do not SWA/7 N/A alter » Factory configured - do not SWA/8 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 256KB (9) 4164 (9) 4164 (9) 4164 (9) 4164 256KB (9) 41256 NONE NONE NONE 448KB (9) 4164 (9) 4164 (9) 41256 (9) 4164 512KB (9) 41256 (9) 41256 NONE NONE 640KB (9) 41256 (9) 41256 (9) 4164 NONE 640KB (9) 41256 (9) 41256 (9) 4164 (9) 4164 DRAM SWITCH CONFIGURATION Size SWA/1 SWA/2 256KB Off Off 256KB Off On 448KB On Off 512KB N/A N/A 640KB On On 640KB N/A N/A FLOPPY DRIVE CONFIGURATION Drives installed SW1/7 SW1/8 1 On On 2 Off On 3 On Off 4 Off Off MONITOR CONFIGURATION Size SW1/5 SW1/6 Monochrome Off Off 80 x 25 color On Off 40 x 25 color Off On None On On