1-6
17. LPT header
The LPT (Line Printing Terminal) header supports devices such as
a printer. LPT standardizes as IEEE 1284, which is the parallel port
interface on IBM PC-compatible computers.
18. S/PDIF Out header
The S/PDIF Out header allows you to connect the Sony/Philips Digital Interface
(S/PDIF) Out module.
The S/PDIF module is purchased separately.
19. SPI TPM header
This header supports a Trusted Platform Module (TPM)
system with a Serial Peripheral Interface (SPI), allowing you
to securely store keys, digital certicates, passwords, and
data. A TPM system also helps enhance network security,
protects digital identities, and ensures platform integrity.
The TPM module is purchased separately.
20. System Panel header
The System Panel header supports several chassis-mounted
functions.
• System Power LED header (PLED)
The 2-pin and/or 3-1 pin headers allow you to connect the
System Power LED. The System Power LED lights up when
the system is connected to a power source, or when you
turn on the system power, and blinks when the system is in
sleep mode.
• Storage Device Activity LED header (HDD_LED)
The 2-pin header allows you to connect the Storage Device Activity LED. The Storage
Device Activity LED lights up or blinks when data is read from or written to the storage
device or storage device add-on card.
• System Warning Speaker header (SPEAKER)
The 4-pin header allows you to connect the chassis-mounted system warning speaker.
The speaker allows you to hear system beeps and warnings.
PIN 1
O_LPT_XSTB#_R
O_LPT_XPD0_R
O_LPT_XPD1_R
O_LPT_XPD2_R
O_LPT_XPD3_R
O_LPT_XPD4_R
O_LPT_XPD5_R
O_LPT_XPD6_R
O_LPT_XPD7_R
O_LPT_ACK#_R
O_LPT_BUSY_R
O_LPT_PE_R
O_LPT_SLCT_R
O_LPT_XAFD#_R
O_LPT_ERROR#_R
O_LPT_XINIT#_R
O_LPT_XSLIN#_R
GND
GND
GND
GND
GND
GND
GND
GND
SPDIF_OUT
+5V
SPDIFOUT
GND
TPM
PIN 1
VCCSPI
S_PLTRST#
NC
F_SPI_PWR
F_SPI_CZS0#_R
T_SPI_MISO
F_SPI_HOLD#_R
S_SPI_TPM_IRQ#
S_SPI_TPM_CS2#
TPM_DETECT_L
GND
T_SPI_CLK
T_SPI_MOSI
Chapter 1: Product Introduction
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