|
|
HEADSTART SERIES 300
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
|
|