PT-5IV
SYSTEM BOARD
HARDWARE SETUP
(Q) HL
IDE HDD LED connector
Pin #
Assignment
1
Pullup (+5V DC)
2
Signal Pin
(R) TL
Turbo LED connector
Pin #
Assignment
1
Pullup (+5V DC)
2
Signal Pin
(S) SS
External SMI button connector
Pin #
Assignment
Pin1&2
Function
1
SMI Control
Open
For normal operation
2
Ground
Short
To get into Suspend mode
(T) TS
Turbo Switch connector (This function is reserved)
Pin #
Assignment
Pin1&2
Function
1
Turbo Control
Open
Turbo
2
Ground
Short
Normal
(U) SPEAKER
Speaker connector
Pin #
Assignment
Pin #
Assignmen
1
+5V DC
4
Speaker Data Signal
2
No Connection
5
No Connection
3
No Connection
(V) KEY LOCK
Front Panal Power LED & Key-Lock connector
Pin #
Assignment
1
Pullup (+5V DC for Power LED)
2
No Connection
3
Ground
4
Keyboard Lock
5
Ground
Explanation : ( For next section : JUMPERS )
open
1-2
1
2-3
1
1
1
1
short
,
,
4-5
