MATSONIC MS9027C User Manual page 24

J2: Smart I/O
The Smart I/O connector is for use with media storage devices 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#
SIR1: Serial infrared port
The mainboard supports a Serial Infrared (SIR) data port. Infrared ports allow
the wireless exchange of information between your computer and similarly
equipped devices such as printers, laptops, Personal Digital Assistants
(PDAs), and other computers.
Pin Signal Name
1 RESERVED
3 VCC
5 IRTX
CHS1: Chassis detect
This connector allows the user to detect unauthorized intrusion to the case. It
will alert the user with a warning message when the case is turned on.
Pin 1-2 Function
Short Case open
Open Case close
Pin Signal Name
11 VCC3
12 VCC3
13 GND
14 GND
15 5VSB
16 GND
17 GND
18 RESERVED(GND)
19 VCC5
20 VCC5
Pin Signal Name
2 EMPTY
4 GROUND
6 IRRX
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