User’s Manual

1-5
14. 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.
15. M.2 slot (Key E)
The M.2 slot (Key E) allows you to install an M.2 Wi-Fi module.
The Wi-Fi module is purchased separately.
16. 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.
17. Speaker header
The Speaker header allows you to connect the chassis-mounted system
warning speaker. The speaker allows you to hear system beeps and warnings.
18. SPI TPM header
The SPI TPM header supports a Trusted Platform Module (TPM)
system with a Serial Peripheral Interface (SPI), allowing you to securely
store keys, digital certificates, passwords and data. A TPM system
also enhances network security, protects digital identities, and ensures
platform integrity.
The TPM module is purchased separately.
19. System Panel header
The System Panel header supports several chassis-mounted functions.
System Power LED header (+PWR_LED-)
The 2-pin header allows 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.
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
LPT
SPDIF_OUT
+5V
SPDIFOUT
GND
PIN 1
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
PIN 1
PWR_BTN
PWR_LED+
PWR_LED-
PWR
GND
HDD_LED+
HDD_LED-
Ground
HWRST#
(NC)
F_PANEL
+PWR_LED-
+HDD_LED- RESET
PRIME N100I-D D4