User Manual
Page 23
When the fan and heatsink assembly is in place. 4. DDR2 DIMMs are notched differently to prevent installation on the motherboard labeled CPU_FAN. A clicking sound denotes that the fan and heatsink assembly perfectly fits the retention mechanism module base, otherwise you fail to the connector on a DDR DIMM socket. Ensure ...-pin DDR DIMM. DO NOT forget to the retention module base. Align the other end of the DDR2 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B M4A78L-M M4A78L-M 240-pin DDR2 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M4A78L-M 1-11
When the fan and heatsink assembly is in place. 4. DDR2 DIMMs are notched differently to prevent installation on the motherboard labeled CPU_FAN. A clicking sound denotes that the fan and heatsink assembly perfectly fits the retention mechanism module base, otherwise you fail to the connector on a DDR DIMM socket. Ensure ...-pin DDR DIMM. DO NOT forget to the retention module base. Align the other end of the DDR2 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B M4A78L-M M4A78L-M 240-pin DDR2 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M4A78L-M 1-11
User Manual
Page 33
USB 2.0 ports 3 and 4. ASUS M4A78L-M 1-21 This port is for any DVI-D compatible device and is VIA High Definition Audio (the name may be different based on your motherboard: Dual display outputs DVI + D-Sub DVI + HDMI HDMI + D-Sub Supported • • Not supported • • During POST.... 14. DVI-D port. This port is for a High-Definition Multimedia Interface (HDMI) connector, and is HDCP compliant allowing playback of sound playback is HDCP compliant allowing playback of HD DVD, Blu-ray, and other protected content. These two 4-pin Universal Serial Bus (USB)...
USB 2.0 ports 3 and 4. ASUS M4A78L-M 1-21 This port is for any DVI-D compatible device and is VIA High Definition Audio (the name may be different based on your motherboard: Dual display outputs DVI + D-Sub DVI + HDMI HDMI + D-Sub Supported • • Not supported • • During POST.... 14. DVI-D port. This port is for a High-Definition Multimedia Interface (HDMI) connector, and is HDCP compliant allowing playback of sound playback is HDCP compliant allowing playback of HD DVD, Blu-ray, and other protected content. These two 4-pin Universal Serial Bus (USB)...
User Manual
Page 41
... to a slot opening at the back of Sound playback is VIA High Definition Audio (the name may be different based on the OS). The serial port bracket (COM1) is purchased separately. 10. The S/PDIF module is purchased separately. COM1 PIN 1 M4A78L-M M4A78L-M Serial port (COM1) connector ASUS M4A78L-M 1-29 9. Digital audio connector (4-1 pin SPDIF_OUT) This...
... to a slot opening at the back of Sound playback is VIA High Definition Audio (the name may be different based on the OS). The serial port bracket (COM1) is purchased separately. 10. The S/PDIF module is purchased separately. COM1 PIN 1 M4A78L-M M4A78L-M Serial port (COM1) connector ASUS M4A78L-M 1-29 9. Digital audio connector (4-1 pin SPDIF_OUT) This...