
Chapter 5: Advanced Serverboard Setup
5-17
Internal Speaker
The Internal Speaker, located at SP1,
can be used to provide audible indica-
tions for various beep codes. See the
table on the right for pin denitions.
Internal Buzzer (SP1)
Pin Denition
Pin# Denitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm
Speaker
Overheat/Fan Fail LED
The JOH1 header may be connected
to an LED indicator to provide warn-
ings of chassis overheating or fan
failure. Refer to the table on right for
pin denitions.
OH/Fan Fail LED
Status
State Message
Solid Overheat
Blinking Fan Fail
TPM Header/Port 80 Header
A Trusted Platform Module/Port 80
header is located at JTPM1 to provide
TPM support and Port 80 connection.
Use this header to enhance system
performance and data security. See
the table on the right for pin denitions.
TPM/Port 80 Header
Pin Denitions
Pin # Denition Pin # Denition
1 LCLK 2 GND
3 LFRAME# 4 <(KEY)>
5 LRESET# 6 +5V (X)
7 LAD 3 8 LAD 2
9 +3.3V 10 LAD1
11 LAD0 12 GND
13 SMB_CLK4 14 SMB_DAT4
15 +3V_DUAL 16 SERIRQ
17 GND 18 CLKRUN# (X)
19 LPCPD# 20 LDRQ# (X)
Overheat LED
Pin Denitions
Pin# Denition
1 5vDC
2 OH Active
DOM PWR
Pin Denitions
Pin# Denition
1 +5V
2 Ground
3 Ground
DOM Power Connectors
Two power connectors for DOM (Disk
On Module) devices are located at
JSD1/JSD2. Connect appropriate
cables here to provide power support
for your Serial Link DOM devices.
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