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PC SERVER 300 (TYPE 8640) OPO, 1P0, OPT, 1PT
IBM CORPORATION
PC SERVER 300 (TYPE 8640) OPO, 1P0, OPT, 1PT
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Processor
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Pentium
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Processor Speed
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60MHz
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Chip Set
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Unidentified
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Video Chip Set
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None
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Maximum Onboard Memory
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192MB
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Maximum Video Memory
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None
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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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355mm x 304mm
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I/O Options
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32-bit PCI slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (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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Speaker
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J11
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IDE interface
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J22
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PS/2 mouse port
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J15
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Auxiliary power
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P3
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Parallel port
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J18
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Power LED
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W9
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Floppy drive interface
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J19
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IDE interface LED
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W10
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Serial port 1
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J20
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32-bit PCI slots
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PC1 – PC3
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Serial port 2
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J21
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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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Parity check enabled
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J1
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Closed
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Parity check disabled
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J1
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Open
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»
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Cache type select write back
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J2
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Open
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Cache type select write through
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J2
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Closed
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»
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Oscillator for U15
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J6
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Pins 1 & 2 closed
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Clock synthesizer
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J6
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Pins 2 & 3 closed
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»
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BIOS normal operation
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W2
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Pins 2 & 3 closed
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BIOS recovery mode
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W2
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Pins 1 & 2 closed
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»
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PS/2 mouse enabled
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W6
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Closed
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PS/2 mouse disabled
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W6
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Open
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»
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Factory configured - do not alter
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W20
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Pins 2 & 3 closed
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SIMM CONFIGURATION
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Size
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Bank 0
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Bank 1
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Bank 2
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8MB
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(2) 1M x 36
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None
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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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None
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16MB
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(2) 2M x 36
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None
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None
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24MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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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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None
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32MB
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(2) 4M x 36
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None
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None
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48MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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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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None
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64MB
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(2) 8M x 36
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None
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None
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96MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M 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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None
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128MB
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(2) 16M x 36
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None
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None
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192MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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CACHE CONFIGURATION
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Note: The location of the cache is unidentified.
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CACHE JUMPER CONFIGURATION
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Size
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J3
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J4
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J35
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None
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Open
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256KB
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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512KB
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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CPU CLOCK SPEED SELECTION
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Speed
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J5
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50MHz
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Closed
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66MHz
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Open
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CPU VOLTAGE SELECTION
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Voltage
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J40
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J41
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J42
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5v
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Closed
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N/A
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N/A
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5.3v
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Power module installed
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Power module installed
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Power module installed
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Note: All pins on J40 must be closed.
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DMA CHANNEL SELECTION
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Channel
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W14
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W16
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6
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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7
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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