ASRock J3455 Pro BTC User Manual - Page 21

M_Port1: see p.5, No. 12

Page 21 highlights

Chassis Intrusion Header (2-pin CI1) (see p.5, No. 9) 1 GND Signal This motherboard supports CASE OPEN detection feature that detects if the chassis cove has been removed. This feature requires a chassis with chassis intrusion detection design. Serial Port Header (9-pin COM1) (see p.5, No. 10) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM1 header supports a serial port module. Mining Ports (M_Port1: see p.5, No. 12) (M_Port2: see p.5, No. 13) (M_Port3: see p.5, No. 14) Please connect these ports to the riser kits. English 16

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16
English
Chassis Intrusion Header
(2-pin CI1)
(see p.5,
No. 9)
°is motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. °is
feature requires a chassis
with chassis intrusion
detection design.
Serial Port Header
(9-pin COM1)
(see p.5, No. 10)
°is COM1 header
supports a serial port
module.
Mining Ports
(M_Port1: see p.5, No. 12)
(M_Port2: see p.5, No. 13)
(M_Port3: see p.5, No. 14)
Please connect these ports
to the riser kits.
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
1
Signal
GND