ASRock B85M BTC User Manual - Page 28

pin ATX12V1, PCIe Power Connector

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ATX Power Connector (24-pin ATXPWR1) (see p.9, No. 7) ATX 12V Power Connector (8-pin ATX12V1) (see p.9, No. 2) PCIe Power Connector (4-pin PCIE_PWR1) (see p.9, No. 24) Serial Port Header (9-pin COM1) (see p.9, No. 22) 12 24 1 13 8 5 4 1 This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. This motherboard provides an 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. Please connect a 4 pin molex power cable to this connector when more than three graphics cards are installed. This COM1 header supports a serial port module. TPM Header (17-pin TPMS1) (see p.9, No. 21) 1 24 PCICLK FRAME PCIRST# LAD3 +3V LAD0 +3VSB GND GND SMB_CLK_MAIN SMB_DATA_MAIN LAD2 LAD1 GND S_PWRDWN# SERIRQ# GND This connector supports 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. English

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24
English
ATX Power Connector
(24-pin ATXPWR1)
(see p.9, No. 7)
°is motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.9, No. 2)
°is motherboard pro-
vides an 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
PCIe Power Connector
(4-pin PCIE_PWR1)
(see p.9, No. 24)
Please connect a 4 pin molex
power cable to this connector
when more than three
graphics cards are installed.
Serial Port Header
(9-pin COM1)
(see p.9, No. 22)
°is COM1 header
supports a serial port
module.
TPM Header
(17-pin TPMS1)
(see p.9, No. 21)
°is connector supports
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.
12
1
24
13
8
5
4
1
1
GND
SMB_DATA_MAIN
LAD2
LAD1
GND
S_PWRDWN
#
SERIRQ
#
GND
P
CICLK
P
CIRST
#
LAD3
+3V
LAD0
+3VS
B
GND
FRAME
SMB_CLK_MAIN