ECS P4IBMS Instruction Manual page 37

J1: ExtSMI connector
The ExtSMI connector is for use with SMI hardware interrupt
power management.
Pin Signal Name
1 EXTSMI
2 GND
SPEAKER1: Internal speaker
Connect the internal speaker connector to this header.
Pin Signal Name
1 External speaker
2 Onboard buzzer
3 NC
4 VCC
J2: Smart I/O
The Smart I/O connector is for use with media storage d e-
vices using the LPC interface.
Pin Signal Name
1 PCICLK
2 SERIRQ
3 LFRAME#
4 LDRQ#
5 LAD0
6 LAD1
7 LAD2
8 LAD3
9 PCIRST#
10 PME#
Pin Signal Name
11 VCC3
12 VCC3
13 GND
14 GND
15 5VSB
16 GND
17 GND
18 RESERVED(GND)
19 VCC5
20 VCC5
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