Biostar K8NHA-M K8NHA M user's manual - Page 16
V / 5VSB Selection for KB: JKBMSV1 optional, Power Connectors: JATXPWER1/ JATXPWR2
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BIOSTAR Motherboard (15) 5V / 5VSB Selection for KB: JKBMSV1 (optional) JKBMSV1 Assignment Description Pin 1-2 close +5V 5V for keyboard and mouse 1 Pin 2-3 close +5V_SB 5V standby for keyboard and 1 mouse to power on your system (16) Power Connectors: JATXPWER1/ JATXPWR2 The motherboard supports ATX power supply for the power system. Before installing the power supply connector, please make sure that all components are installed properly. PIN Assignment PIN Assignment 1 +3.3V 11 +3.3V 2 +3.3V 12 -12V 3 Ground 13 Ground 4 +5V 14 PS_ON 5 Ground 15 Ground 6 +5V 16 Ground 7 Ground 17 Ground 8 PW_OK 18 -5V 9 +5V_SB 19 +5V 10 +12V 20 +5V PIN Assignment PIN Assignment 1 +12V 3 Ground 2 +12V 4 Ground (17) Front 1394 Header: J1394A1 (optional) 10 20 1 11 13 24 Pin Assignment Pin Assignment 1 A1+ 3 Ground 2 A14 Ground 9 1 5 B1+ 6 B1- 10 2 7 +12V 8 +12V 9 KEY 10 NA English 16