PHILIPS CONSUMER ELECTRONICS, CO.
HEADSTART SERIES 300
| 
 Processor  | 
 80286 (exact location unknown)  | 
| 
 Processor Speed  | 
 8/12MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 None  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 218mm x 330mm  | 
| 
 I/O Options  | 
 bus mouse port, floppy drive interface, game port, IDE interface, SCSI connector, parallel port, PS/2 mouse port, serial port, VGA port  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Parallel port  | 
 J6  | 
 Power connector  | 
 J12  | 
| 
 Serial port 1  | 
 J7  | 
 Floppy drive interface  | 
 J13  | 
| 
 Bus mouse port  | 
 J8  | 
 Embedded IDE interface  | 
 J15  | 
| 
 Game port  | 
 J9  | 
 Floppy/IDE power connector  | 
 J16  | 
| 
 EGA/TTL port  | 
 J10  | 
 Reset switch  | 
 J17  | 
| 
 VGA/Analog port  | 
 J11  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 S1/5  | 
 N/A  | 
| 
 »  | 
 On-board floppy disabled  | 
 S1/8  | 
 Closed  | 
| 
 On-board floppy enabled  | 
 S1/8  | 
 Open  | |
| 
 »  | 
 Video mode normal  | 
 W7  | 
 Open  | 
| 
 Video mode slow  | 
 W7  | 
 Closed  | |
| 
 »  | 
 I/O half speed enabled  | 
 W11  | 
 Open  | 
| 
 I/O half speed disabled on 12.5 MHz, enabled on 8MHz  | 
 W11  | 
 pins 1 & 2 closed  | |
| 
 I/O half speed disabled  | 
 W11  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 RAM delay line external  | 
 W17  | 
 Closed  | 
| 
 RAM delay line internal  | 
 W17  | 
 Open  | |
| 
 »  | 
 Port IECH-IEFH access enabled  | 
 W18  | 
 Open  | 
| 
 Port IECH-IEFH access disabled  | 
 W18  | 
 Closed  | |
| 
 »  | 
 CPU speed normal  | 
 W20  | 
 Open  | 
| 
 CPU speed half  | 
 W20  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 W23  | 
 pins 2 & 3 closed  | 
| 
 MONITOR CONFIGURATION  | ||||||
| 
 Size  | 
 S1/1  | 
 S1/2  | 
 S1/3  | 
 S1/4  | 
 S1/6  | 
 S1/7  | 
| 
 MDA  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 CGA  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 EGA  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 TTL  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 Analog  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 PS2  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 MANUFACTURING MODE CONFIGURATION  | ||
| 
 Select  | 
 W6  | 
 W9  | 
| 
 Enabled  | 
 Closed  | 
 Closed  | 
| 
 Disabled  | 
 Open  | 
 Open  |