PT-5IT SYSTEM BOARD HARDWARE SETUP
4
1. CONNECTORS
A connector is two or more pins that are used make connections to the system standard
accessories (such as power, mouse, printer,...etc.) The following is a list of connectors
on board, as well as descriptions of each individual connector.
(A) BAT1 Non-Rechargeable battery (Using 3 Vlots Lithium battery : CR2032)
Pin # Assignment
Battery Positive
Ground
(B) CN1 Power connector
Pin # Assignment
Pin # Assignment Pin # Assignment
1Power Good5Ground 9-5V DC
2 +5V DC 6 Ground 10 +5V DC
3 +12V DC 7 Ground 11 +5V DC
4 -12V DC 8 Ground 12 +5V DC
(C) CN2 PS/2 Mouse converted connector
Pin # Assignment
Pin # Assignment Pin # Assignment
1 Mouse Data 3 Ground 5 Mouse Clock
2 No Connection 4 +5V DC
(D) CN3 IDE 2 connector (Secondary IDE Port, using MIRQ0)
(E) CN4 PS/2 Keyboard connector (option)
Pin # Assignment
Pin # Assignment Pin # Assignment
1 Keyboard Data 3 Ground 5 Keyboard Clock
2 No Connection 4 +5V DC 6 No Connection
(F) CN5 AT Keyboard connector
Pin # Assignment
Pin # Assignment Pin # Assignment
1 Keyboard Clock 3 No Connection 5 +5V DC
2 Keyboard Data 4 Ground
(G) CN6 Floppy Disk Control Port connector (Using IRQ6, DMA channel 2)
(H) CN7 IDE 1 connector (Primary IDE Port, using IRQ14)
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