Jump 21 on Tyan S5120 Tomcat i915

Jumper 21 on the tyan s5120 is for the front panel connectors. I don't know what some of the pins are for, but need help on the others

pins 1 & 3 HD Led - got that
5 & 7 Gnd reset - got that
9 & 11  9 - +5V, 11 NIMI  - HELP ME OUT
15 & 17 15 SMBUS Data, 17 SMBUS Clock - HELP ME OUT

2 & 4 Power + and - - I take it this is the power LED
6 & 8 Power button a & GrD - got that
10 & 12 Sleep Button & GrD - got that
14 NC
16 & 18   16 -GND, 18 Intru#  HELP ME OUT
jguiciarAsked:
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PCBONEZCommented:
Fell asleep anwering that din' I. Missed a bunch of it.

This is a front panel connector.
If you don't front panel things to connect to them then you don't need them.

Pins 2 + 4 = Yes, The power LED.

Pins 15 + 17 = SMBus - System Management Bus.
http://www.msi.com.tw/program/service/terminology/terminology_view.php?SERIALS=47

Pins 9 + 11 = NIMI, Network Information and Management Infrastructure
Is basically a Linux Network Monitor.
http://72.14.203.104/search?q=cache:DBc4iahnQqkJ:cd-docdb.fnal.gov/cgi-bin/RetrieveFile%3Fdocid%3D1302%26version%3D1%26filename%3D138slides.ppt+%2B%22what+is+NIMI%22&hl=en&gl=us&ct=clnk&cd=5&lr=lang_en

Pin 13 is +5vsb . I don't know why that would be there unless NIMI uses it.
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PCBONEZCommented:
Intru = Intrusion Alarm.
Some cases (usually servers) have an alarm that goes off if the case is open.
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PCBONEZCommented:
More specifically:
Those header pins go to the chassis intrusion switch found on some cases.
You turn the feature on/off in the BIOS.
I wouldn't use it even if my case had a switch.

Here is your manual:
ftp://ftp.tyan.com/manuals/m_s5120_100.pdf
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