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PC 730, PC 750
IBM CORPORATION
PC 730, PC 750
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Processor
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Pentium
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Processor Speed
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60/90MHz
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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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192MB
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Maximum Video Memory
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Unidentified
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Cache
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256/1024KB
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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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Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, CD-ROM audio interface, audio line in connector, audio line out connector
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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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Audio line out connector
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CN1
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Floppy drive interface
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CN8
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Audio line in connector
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CN2
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IDE interface
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CN9
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PS/2 mouse port
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CN3
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IDE interface
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CN10
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Serial port
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CN4
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CD-ROM audio interface
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JP1
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Serial port
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CN5
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On/off switch connector
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J37
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Parallel port
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CN6
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On/off switch power supply connector
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J38
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VGA port
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CN7
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Riser slot
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SL1
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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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Factory configured - do not alter
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60/66
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Unidentified
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Jumper information unavailable
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J1
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Unidentified
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Jumper information unavailable
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J2
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Unidentified
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PS/2 mouse enabled
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J28
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Pins 1 & 2 closed
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PS/2 mouse disabled
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J28
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Pins 2 & 3 closed
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»
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Modem answers on ring
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MRD
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Pins 2 & 3 closed
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Modem does not answer on ring
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MRD
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Pins 1 & 2 closed
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»
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Password normal operation
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PWD
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Pins 1 & 2 closed
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|
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Password clear
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PWD
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Pins 2 & 3 closed
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»
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Floppy drive write protect disabled
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WP
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Pins 1 & 2 closed
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Floppy drive write protect enabled
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WP
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Pins 2 & 3 closed
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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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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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24MB
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(2) 2M x 36
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(2) 1M 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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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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40MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 1M 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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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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48MB
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(2) 4M x 36
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(2) 2M 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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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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72MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 1M 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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None
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80MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 2M 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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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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DRAM CONFIGURATION (CON’T)
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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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96MB
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(2) 8M x 36
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(2) 4M x 36
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None
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128MB
|
(2) 8M x 36
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(2) 8M x 36
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None
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136MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 1M x 36
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144MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 2M x 36
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160MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 4M x 36
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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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Size
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Bank 0
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TAG
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256KB
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(8) 32K x 8
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Unidentified
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1MB
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(8) 64K x 8
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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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J5
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J6
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256KB
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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1MB
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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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Pins 2 & 3 closed
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VIDEO MEMORY CONFIGURATION
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Size
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Bank 0
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1MB
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(2) 256K x 16
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Note: The maximum memory size is unidentified. This configuration is for an upgrade.
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CPU BUS - CORE SELECTION
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Bus - Core
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J101
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J101
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1/2
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Pins 2 & 3 closed
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Closed
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2/3
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Pins 1 & 2 closed
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Open
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Note: Depending on board version, J101 will be either a 2-pin or 3-pin jumper.
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