IBM CORPORATION MODEL 5150 Processor 8088 Processor Speed 7.16MHz Chip Set None Max. Onboard DRAM 256KB Cache None BIOS IBM Dimensions 355mm x 304mm I/O Options Cassette interface NPU Options 8087 [Image] CONNECTIONS Purpose Location Purpose Location Cassette interface J1 Keyboard J7 USER CONFIGURABLE SETTINGS Function Switch Position » NPU disabled SW1/2 Off NPU enabled SW1/2 On » Factory configured - do not SW1/3 Off alter » Factory configured - do not SW1/4 Off alter » Factory configured - do not SW2/6 Off alter » Factory configured - do not SW2/7 Off alter » Factory configured - do not SW2/8 Off alter DRAM CONFIGURATION Size Bank P-0 Bank P-0 Bank P-2 Bank P-3 0 1 2 3 64KB (8) (1) NONE NONE NONE NONE NONE NONE 4164 4164 128KB (8) (1) (8) (1) NONE NONE NONE NONE 4164 4164 4164 4164 192KB (8) (1) (8) (1) (8) (1) NONE NONE 4164 4164 4164 4164 4164 4164 256KB (8) (1) (8) (1) (8) (1) (8) (1) 4164 4164 4164 4164 4164 4164 4164 4164 DRAM CONFIGURATION Size SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 64KB On On On On On 128KB On Off On On On 192KB On On Off On On 256KB On Off Off On On 288KB Off Off Off On On 320KB On On On Off On 352KB Off On On Off On 384KB On Off On Off On 416KB Off Off On Off On 448KB On On Off Off On 480KB Off On Off Off On 512KB On Off Off Off On 576KB On On On On Off 608KB Off On On On Off 640KB On Off On On Off Note:Memory settings > 256KB are given for use with an external memory card. FLOPPY DRIVE CONFIGURATION Drives installed SW1/1 SW1/7 SW1/8 0 On On On 1 Off On On 2 Off Off On MONITOR CONFIGURATION Type SW1/5 SW1/6 None On On Monochrome Off Off 40 x 25 color Off On 80 x 25 color On Off