IBM CORPORATION
PC 730, PC 750
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 60/90MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 192MB  | 
| 
 Maximum Video Memory  | 
 Unidentified  | 
| 
 Cache  | 
 256/1024KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 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  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Audio line out connector  | 
 CN1  | 
 Floppy drive interface  | 
 CN8  | 
| 
 Audio line in connector  | 
 CN2  | 
 IDE interface  | 
 CN9  | 
| 
 PS/2 mouse port  | 
 CN3  | 
 IDE interface  | 
 CN10  | 
| 
 Serial port  | 
 CN4  | 
 CD-ROM audio interface  | 
 JP1  | 
| 
 Serial port  | 
 CN5  | 
 On/off switch connector  | 
 J37  | 
| 
 Parallel port  | 
 CN6  | 
 On/off switch power supply connector  | 
 J38  | 
| 
 VGA port  | 
 CN7  | 
 Riser slot  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 60/66  | 
 Unidentified  | 
| 
 Jumper information unavailable  | 
 J1  | 
 Unidentified  | |
| 
 Jumper information unavailable  | 
 J2  | 
 Unidentified  | |
| 
 PS/2 mouse enabled  | 
 J28  | 
 Pins 1 & 2 closed  | |
| 
 PS/2 mouse disabled  | 
 J28  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Modem answers on ring  | 
 MRD  | 
 Pins 2 & 3 closed  | 
| 
 Modem does not answer on ring  | 
 MRD  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 Password normal operation  | 
 PWD  | 
 Pins 1 & 2 closed  | 
| 
 Password clear  | 
 PWD  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Floppy drive write protect disabled  | 
 WP  | 
 Pins 1 & 2 closed  | 
| 
 Floppy drive write protect enabled  | 
 WP  | 
 Pins 2 & 3 closed  | |
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 40MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 72MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 80MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 136MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
| 
 144MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 160MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
| 
 192MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
| 
 256KB  | 
 (8) 32K x 8  | 
 Unidentified  | 
| 
 1MB  | 
 (8) 64K x 8  | 
 Unidentified  | 
| 
 CACHE JUMPER CONFIGURATION  | ||||
| 
 Size  | 
 J3  | 
 J4  | 
 J5  | 
 J6  | 
| 
 256KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 1MB  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 VIDEO MEMORY CONFIGURATION  | |
| 
 Size  | 
 Bank 0  | 
| 
 1MB  | 
 (2) 256K x 16  | 
| 
 Note: The maximum memory size is unidentified. This configuration is for an upgrade.  | |
| 
 CPU BUS - CORE SELECTION  | ||
| 
 Bus - Core  | 
 J101  | 
 J101  | 
| 
 1/2  | 
 Pins 2 & 3 closed  | 
 Closed  | 
| 
 2/3  | 
 Pins 1 & 2 closed  | 
 Open  | 
| 
 Note: Depending on board version, J101 will be either a 2-pin or 3-pin jumper.  | ||