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PC300 (TYPE 6272, 6282)
IBM CORPORATION
PC300 (TYPE 6272, 6282)
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Device Type
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Mainboard
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Processor
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Pentium
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Processor Speed
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75/90/100/120/133/150/166/200/233MHz
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Chip Set
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Unidentified
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Video Chip Set
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Unidentified
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Maximum Onboard Memory
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128MB (EDO & SDRAM supported)
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Maximum Video Memory
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Unidentified
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Cache
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256/512KB
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BIOS
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Unidentified
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Dimensions
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330mm x 218mm
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I/O Options
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Ethernet 10BaseT connector, AUI connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, cache slot, USB connectors (2)
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NPU Options
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None
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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5v power
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C1
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Serial port 2
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CN8
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5v auxiliary power
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C2
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AUI connector
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CN9
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LAN LED
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C4
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Floppy drive interface
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CN10
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Chassis fan power
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C5
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IDE interface 1
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CN11
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3.3v power
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C6
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IDE interface 2
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CN12
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VGA port
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CN1
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VGA feature connector
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CN13
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Parallel port
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CN2
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Power switch connector
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J7
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USB connector 2
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CN3
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Power LED/IDE interface LED
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J8
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USB connector 1
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CN4
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Wake on modem connector
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J27
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PS/2 mouse port
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CN5
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Wake on LAN connector
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J28
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Serial port 1
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CN6
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Riser slot
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SL1
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Ethernet 10BaseT connector
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CN7
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Cache slot
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SL2
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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CMOS memory normal operation
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J6
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Pins 1 & 2 closed
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CMOS memory clear
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J6
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Pins 2 & 3 closed
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»
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Factory configured - do not alter
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SW1/5
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Off
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»
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Floppy drive normal operation
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SW1/6
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Off
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Floppy drive read only
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SW1/6
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On
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DIMM CONFIGURATION
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Size
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Bank 0
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Bank 1
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8MB
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(1) 1M x 64
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None
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16MB
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(1) 2M x 64
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None
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16MB
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(1) 1M x 64
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(1) 1M x 64
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24MB
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(1) 2M x 64
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(1) 1M x 64
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32MB
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(1) 4M x 64
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None
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32MB
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(1) 2M x 64
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(1) 2M x 64
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40MB
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(1) 4M x 64
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(1) 1M x 64
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48MB
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(1) 4M x 64
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(1) 2M x 64
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64MB
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(1) 8M x 64
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None
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64MB
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(1) 4M x 64
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(1) 4M x 64
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72MB
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(1) 8M x 64
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(1) 1M x 64
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80MB
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(1) 8M x 64
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(1) 2M x 64
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96MB
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(1) 8M x 64
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(1) 4M x 64
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128MB
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(1) 8M x 64
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(1) 8M x 64
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Note: Board accepts EDO & SDRAM memory.
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CACHE CONFIGURATION
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Size
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SL2
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256KB
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256KB module installed
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512KB
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512KB module installed
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VIDEO MEMORY CONFIGURATION
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Note: The size location of the video memory is unidentified.
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CPU SPEED SELECTION
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CPU speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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75MHz
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50MHz
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1.5x
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Off
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Off
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On
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On
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90MHz
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60MHz
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1.5x
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Off
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Off
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On
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Off
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100MHz
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66MHz
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1.5x
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Off
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Off
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Off
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On
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120MHz
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60MHz
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2x
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On
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Off
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On
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Off
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133MHz
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66MHz
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2x
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On
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Off
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Off
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On
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150MHz
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60MHz
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2.5x
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On
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On
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On
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Off
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166MHz
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66MHz
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2.5x
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On
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On
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Off
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On
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200MHz
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66MHz
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3x
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Off
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On
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Off
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On
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233MHz
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66MHz
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3.5x
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Off
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Off
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Off
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On
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