PT-5IT SYSTEM BOARD HARDWARE SETUP
7
1 Pullup (+5V DC)
2 Signal Pin
(S) TS Turbo Switch connector (This function is reserved)
Pin # Assignment
Pin1&2 Function
1 Turbo Control Open Turbo
2 Ground Short Normal
(T) SPEAKER Speaker connector
Pin # Assignment
Pin # Assignmen
1+5V DC 4Speaker Data Signal
2 No Connection 5 No Connection
3 No Connection
(U) 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
11
short
,
,
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