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PC 330/350 SERIES (TYPE 65X6)
IBM CORPORATION
PC 330/350 SERIES (TYPE 65X6)
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Processor
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Pentium
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Processor Speed
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75/90/100MHz
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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
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Maximum Video Memory
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2MB
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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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254mm x 218mm
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I/O Options
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Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VESA feature connector, VGA port, riser slot
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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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VGA port
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CN1
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IDE interface
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CN8
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Parallel port
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CN2
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Floppy drive interface
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CN9
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Serial port
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CN3
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Voltage regulator
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J1
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Serial port
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CN4
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Front panel connector
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J1D1
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PS/2 mouse port
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CN5
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Front panel connector
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J2A2
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VESA feature connector
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CN6
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Riser slot
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SL1
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IDE interface
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CN7
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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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Flash BIOS normal operation
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J5J1
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Pins 1 & 3 closed
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Flash BIOS clear
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J5J1
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Pins 1 & 2 closed
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»
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Password normal operation
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SW1/3
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Off
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Password clear
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SW1/3
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On
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»
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CMOS memory normal operation
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SW1/4
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Off
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CMOS memory clear
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SW1/4
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On
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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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DRAM 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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(2) 1M x 36
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None
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16MB
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(2) 2M x 36
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None
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16MB
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(2) 1M x 36
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(2) 1M x 36
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24MB
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(2) 2M x 36
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(2) 1M x 36
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32MB
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(2) 4M x 36
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None
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32MB
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(2) 2M x 36
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(2) 2M x 36
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40MB
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(2) 4M x 36
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(2) 1M x 36
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48MB
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(2) 4M x 36
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(2) 2M x 36
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64MB
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(2) 8M x 36
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None
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64MB
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(2) 4M x 36
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(2) 4M x 36
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72MB
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(2) 8M x 36
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(2) 1M x 36
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80MB
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(2) 8M x 36
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(2) 2M x 36
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128MB
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(2) 8M x 36
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(2) 8M x 36
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Note: Board also accepts x 32 SIMMs. The location of banks 0 & 1 are unidentified.
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CACHE CONFIGURATION
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Size
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Bank 0
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Bank 1
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TAG
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256KB
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(4) 32K x 8
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(4) 32K x 8
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(1) 32K x 8
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512KB
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(4) 64K x 8
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(4) 64K x 8
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(1) 32K x 8
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Note: The location of banks 0 & 1 are unidentified.
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CACHE SWITCH CONFIGURATION
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Size
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SW1/1
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SW1/2
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None
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On
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N/A
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256KB
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Off
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Off
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512KB
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Off
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On
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VIDEO MEMORY CONFIGURATION
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Size
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Bank 0
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Bank 1
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1MB
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1MB
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None
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2MB
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1MB
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1MB
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Note: Bank 0 is factory installed and is not configurable. The size of the video memory chips are 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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SW1/6
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SW1/7
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SW1/8
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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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Off
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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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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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On
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CPU TYPE SELECTION
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Type
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J9C1
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| »
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VR
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Pins 1 & 3 closed
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VRE
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Pins 5 & 7 closed
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ISA BUS CLOCK SPEED SELECTION
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CPU speed
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ISA clock speed
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J5J1
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75MHz (1/6 clock speed)
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8.33MHz
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Pins 5 & 7 open
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75MHz (1/8 clock speed)
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6.25MHz
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Pins 5 & 7 closed
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90MHz (1/6 clock speed)
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10MHz
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Pins 5 & 7 open
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| »
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90MHz (1/8 clock speed)
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7.5MHz
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Pins 5 & 7 closed
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100MHz (1/6 clock speed)
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11MHz
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Pins 5 & 7 open
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100MHz (1/8 clock speed)
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8.25MHz
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Pins 5 & 7 closed
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