Intel Pentium III Processor/840, Руководство пользователя, Страница: 45 / 151

Intel
®
Pentium
®
III Processor/840 Development Kit Manual 4-9
Hardware Reference
4.8.9 Front Panel I/O Connectors
Table 4-17 shows the signals assigned to the front panel I/O connector (J12R1).
Table 4-18 shows the pins in the front panel connector that control reset and ON/OFF.
Table 4-16. RJ45 LAN Connector Pinouts (J1K2)
Pin Signal Name
1 IO1
2 IO2
3 IO3
4 IO4
5 IO5
6 IO6
7 IO7
8 IO8
Table 4-17. Front Panel I/O Connector Pinouts (J12R1)
Pin Signal Name Pin Signal Name
1 SW_ON 15 HD Active#
2 Ground 16 HD PWR
3 NC 17 Key
4 NC 18 PWR_LED0 (Yellow)
5 Key 19 Key
6 +5 V (option for WOIR) 20 PWR_LED1 (Green)
7 Key 21 Key
8 IR_RX 22 Ground
9 Ground 23 FP_RESET
10 IR_TX 24 PC_SPKR#
11 +5 V 25 Key
12 Key 26
Onboard Spkr enable
connect 26 - 27
13 +5 V 27 +5 V
14 Key
Table 4-18. Reset and ON/OFF Connector Pinouts
Pin Signal Name
1 SW_ON
2 Ground
22 Ground
23 FP_RESET