Asus P5LD-MR User Manual - Page 40
CPU fan pin selection 3-pin FM_CPU1, FM_CPU2
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2. CPU fan pin selection (3-pin FM_CPU1, FM_CPU2) These jumpers allow you to connect either a 3-pin or a 4-pin fan cable plug to the CPU fan connectors (CPU_FAN1, CPU_FAN2). Set these jumpers to pins 1-2 if you are using a 3-pin fan cable plug, or to pins 2‑3 if you are using a 4-pin plug. R P5LD-MR FM_CPU2 2 3 4-pin fan (Default) 1 2 3-pin fan P5LD-MR FM CPU Setting FM_CPU1 2 3 4-pin fan (Default) 1 2 3-pin fan 3. USB device wake-up (3-pin USBPW12, USBPW34, USBPW56, USBPW78) Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. Set to +5VSB to wake up from S4 sleep mode (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). USBPW12 R P5LD-MR USBPW12 12 23 +5V (Default) +5VSB USBPW34 12 23 USBPW34 USBPW56 USBPW78 P5LD-MR USB Device Wake-Up +5V (Default) +5VSB USBPW78 1 2 USBPW56 2 3 +5V (Default) +5VSB • The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port; otherwise, the system would not power up. • If you are using Windows 2000, you need to install Service Pack 4 to wake up the system from S4 sleep mode. • The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. 2-20 Chapter 2: Hardware information