ASRock X299 Steel Legend User Manual - Page 31

Warning: Please make, sure that the power cable, connected is for the CPU, and not the graphics,

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X299 Steel Legend ATX 12V Power 8 5 Connectors (8-pin ATX12V1) 4 1 (see p.7, No. 3) (8-pin ATX12V2) (see p.7, No. 4) This motherboard provides two 8-pin ATX 12V power connectors. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. *Warning: Please make sure that the power cable connected is for the CPU and not the graphics card. Do not plug the PCIe power cable to this connector. SPI TPM Header (13-pin SPI_TPM_J1) (see p.7, No. 21) SPI_DQ3 +3.3V Dummy CLK SPI_MOSI RST# TPM_PIRQ 1 SPI_TPM_CS# GND RSMRST# SPI_MISO SPI_CS0 SPI_DQ2 This connector supports SPI Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. Thunderbolt AIC Connector (5-pin TB1) (see p.7, No. 32) Please connect a Thunderbolt™ add-in card (AIC) to this 1 connector via the GPIO cable. *Please install the Thunderbolt™ AIC card to PCIE3. English 25

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English
25
X299 Steel Legend
ATX 12V Power
Connectors
(8-pin ATX12V1)
(see p.7, No. 3)
(8-pin ATX12V2)
(see p.7, No. 4)
°is motherboard
provides two 8-pin ATX
12V power connectors. To
use a 4-pin ATX power
supply, please plug it along
Pin 1 and Pin 5.
*Warning: Please make
sure that the power cable
connected is for the CPU
and not the graphics
card. Do not plug the
PCIe power cable to this
connector.
SPI TPM Header
(13-pin SPI_TPM_J1)
(see p.7,
No. 21)
°is connector supports SPI
Trusted Platform Module (TPM)
system, which can securely store
keys, digital certificates, pass-
words, and data. A TPM system
also helps enhance network
security, protects digital
identities, and ensures platform
integrity.
°underbolt AIC
Connector
(5-pin TB1)
(see p.7, No. 32)
Please connect a °underbolt™
add-in card (AIC) to this
connector via the GPIO cable.
*Please install the °underbolt™
AIC card to PCIE3.
1
4
1
8
5
1
SPI_DQ3
+3.3V
SPI_DQ2
SPI_CS0
Dummy
CLK
SPI_MISO
SPI_MOSI
GND
SPI_TPM_CS#
RST#
RSMRST#
TPM_PIRQ