PHILIPS CONSUMER ELECTRONICS, CO.
E520
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120/133/150/166MHz  | 
| 
 Chip Set  | 
 SIS  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 128MB (EDO supported) Unified Memory Architecture (UMA)  | 
| 
 Cache  | 
 256KB  | 
| 
 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 feature connector, VGA port, riser slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 VGA port  | 
 CN1  | 
 VGA feature connector  | 
 CN9  | 
| 
 Parallel port  | 
 CN2  | 
 Power LED  | 
 J12/pins 1 - 3  | 
| 
 Serial port 2  | 
 CN3  | 
 Turbo LED  | 
 J12/pins 6 & 16  | 
| 
 Serial port 1  | 
 CN4  | 
 Reset switch  | 
 J12/pins 8 & 18  | 
| 
 PS/2 mouse port  | 
 CN5  | 
 IDE interface LED  | 
 J12/pins 10 & 20  | 
| 
 Floppy drive interface  | 
 CN6  | 
 Speaker  | 
 J12/pins 11 - 14  | 
| 
 IDE interface 2  | 
 CN7  | 
 Riser slot  | 
 SL1  | 
| 
 IDE interface 1  | 
 CN8  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP11  | 
 Pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP11  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP13  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP14  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP25  | 
 Unidentified  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 None  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 None  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 Note: Board accepts EDO memory.  | ||
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
| 
 256KB  | 
 (2) 32K x 32  | 
 (1) 16K x 8  | 
| 
 CPU SPEED SELECTION  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP15  | 
 JP16  | 
 JP19  | 
 JP20  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 CPU VOLTAGE SELECTION  | |||
| 
 Voltage  | 
 JP5  | 
 JP6  | 
 JP7  | 
| 
 3.3v  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 3.45v  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 3.6v  | 
 Open  | 
 Open  | 
 Closed  |