User Manual
Page 3
Contents Notices...vi Safety information vii About this guide viii M5A78L-M LX Series specifications summary ix Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 Innovative ASUS features 1-3 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 1.5.3 Motherboard layout 1-7 1.5.4 Layout contents 1-7 1.6 Central Processing Unit (CPU 1-8 1.6.1 Installing the CPU 1-8 1.6.2 Installing the heatsink and ...
Contents Notices...vi Safety information vii About this guide viii M5A78L-M LX Series specifications summary ix Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 Innovative ASUS features 1-3 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 1.5.3 Motherboard layout 1-7 1.5.4 Layout contents 1-7 1.6 Central Processing Unit (CPU 1-8 1.6.1 Installing the CPU 1-8 1.6.2 Installing the heatsink and ...
User Manual
Page 9
... page) ix Supports up to 10 USB 2.0 ports (6 ports at mid-board, 4 ports at the back panel) (continued on the motherboard. M5A78L-M LX Series specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® Socket AM3+ for AMD® ... can support up to DDR3 1333MHz. *** When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. ****Refer to www.asus.com for the discrete GPUs that support Hybrid CrossFireX™. 1 x PCIe 2.0 x16 slot 2 x PCIe 2.0 x1 slots 1 x PCI slot 6 x Serial ATA 3Gb/s ...
... page) ix Supports up to 10 USB 2.0 ports (6 ports at mid-board, 4 ports at the back panel) (continued on the motherboard. M5A78L-M LX Series specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® Socket AM3+ for AMD® ... can support up to DDR3 1333MHz. *** When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. ****Refer to www.asus.com for the discrete GPUs that support Hybrid CrossFireX™. 1 x PCIe 2.0 x16 slot 2 x PCIe 2.0 x1 slots 1 x PCI slot 6 x Serial ATA 3Gb/s ...
User Manual
Page 10
M5A78L-M LX Series specifications summary Back panel I/O ports Internal I/O connectors BIOS ASUS unique features Accessories Support DVD Form factor 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x COM port 1 x LPT port 1 x D-Sub ... High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) ASUS Core unlocker ASUS Turbo Key ASUS Q-Fan ASUS AI Charger ASUS EPU-4 Engine ASUS Anti Surge ASUS EZ Flash2 ASUS MyLogo2 ASUS C.P.R (CPU Parameter Recall) 2 x Serial ATA 3.0Gb/s cables 1 x I/O shield 1 x User Manual 1 x Support DVD Drivers ASUS Update ASUS utilities Anti-Virus software (OEM ...
M5A78L-M LX Series specifications summary Back panel I/O ports Internal I/O connectors BIOS ASUS unique features Accessories Support DVD Form factor 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x COM port 1 x LPT port 1 x D-Sub ... High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) ASUS Core unlocker ASUS Turbo Key ASUS Q-Fan ASUS AI Charger ASUS EPU-4 Engine ASUS Anti Surge ASUS EZ Flash2 ASUS MyLogo2 ASUS C.P.R (CPU Parameter Recall) 2 x Serial ATA 3.0Gb/s cables 1 x I/O shield 1 x User Manual 1 x Support DVD Drivers ASUS Update ASUS utilities Anti-Virus software (OEM ...
User Manual
Page 11
... less power consumption. This motherboard also supports AMD® CPUs in your motherboard package for buying an ASUS® M5A78L-M LX Series motherboard! ASUS M5A78L-M LX Series 1-1 Chapter 1 Product introduction 1.1 Welcome! The layout illustrations in this user guide are for M5A78L-M LX PLUS only. • If any of new features and latest technologies, making it , check the items in...
... less power consumption. This motherboard also supports AMD® CPUs in your motherboard package for buying an ASUS® M5A78L-M LX Series motherboard! ASUS M5A78L-M LX Series 1-1 Chapter 1 Product introduction 1.1 Welcome! The layout illustrations in this user guide are for M5A78L-M LX PLUS only. • If any of new features and latest technologies, making it , check the items in...
User Manual
Page 12
... a highly integrated Gb LAN controller. It also supports RAID 0, RAID 1, and RAID 0+1 configurations for Serial ATA hard drives. 100% All High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) This motherboard uses all high-quality conductive polymer capacitors for high-speed data retrieval and save. Dual-Channel DDR3 1866 (O.C.) support This motherboard supports...
... a highly integrated Gb LAN controller. It also supports RAID 0, RAID 1, and RAID 0+1 configurations for Serial ATA hard drives. 100% All High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) This motherboard uses all high-quality conductive polymer capacitors for high-speed data retrieval and save. Dual-Channel DDR3 1866 (O.C.) support This motherboard supports...
User Manual
Page 13
... open the system chassis and clear the RTC data. ASUS M5A78L-M LX Series 1-3 ASUS MyLogo2™ Turn your system. eliminates the need to overclocking failure. 1.3.2 12 Innovative ASUS features Core Unlocker ASUS Core Unlocker simplifies the activation of a latent AMD® CPUwith just pressing a key. ASUS Turbo Key ASUS Turbo Key allows you to personalize your favorite photos...
... open the system chassis and clear the RTC data. ASUS M5A78L-M LX Series 1-3 ASUS MyLogo2™ Turn your system. eliminates the need to overclocking failure. 1.3.2 12 Innovative ASUS features Core Unlocker ASUS Core Unlocker simplifies the activation of a latent AMD® CPUwith just pressing a key. ASUS Turbo Key ASUS Turbo Key allows you to personalize your favorite photos...
User Manual
Page 15
... you uninstall any component, place it on them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. SB_PWR M5A78L-M LX PLUS ON OFF Standby Power Powered Off M5A78L-M LX PLUS Onboard LED ASUS M5A78L-M LX Series 1-5
... you uninstall any component, place it on them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. SB_PWR M5A78L-M LX PLUS ON OFF Standby Power Powered Off M5A78L-M LX PLUS Onboard LED ASUS M5A78L-M LX Series 1-5
User Manual
Page 16
M5A78L-M LX PLUS 1-6 Chapter 1: Product introduction Doing so can damage the motherboard. DO NOT overtighten the screws! Place this side towards the rear of the chassis as indicated in the image below. 1.5.2 Screw holes Place six screws into the chassis in the correct orientation. 1.5 Motherboard overview 1.5.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. The edge with external ports goes to the chassis.
M5A78L-M LX PLUS 1-6 Chapter 1: Product introduction Doing so can damage the motherboard. DO NOT overtighten the screws! Place this side towards the rear of the chassis as indicated in the image below. 1.5.2 Screw holes Place six screws into the chassis in the correct orientation. 1.5 Motherboard overview 1.5.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. The edge with external ports goes to the chassis.
User Manual
Page 17
Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX Series 1-7 System panel connector (10-1 pin F_PANEL) 1-24 2. USB device wake-up (3-pin USBPW1-4, USBPW5-10) 1-19 9. pin SPEAKER) 1-24 3. ATX power connectors (24-pin ... AM3+ USBPW1-4 LPT VGA USB34 3 24.4cm(9.6in) EATXPWR LAN1_USB12 CPU_FAN SATA3G_6 SATA3G_5 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® 760G Super I/O PCIEX16 M5A78L-M LX PLUS PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 16Mb BIOS 7 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910 USB78 USBPW5-10 SPEAKER USB56 F_PANEL SATA3G_2...
Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX Series 1-7 System panel connector (10-1 pin F_PANEL) 1-24 2. USB device wake-up (3-pin USBPW1-4, USBPW5-10) 1-19 9. pin SPEAKER) 1-24 3. ATX power connectors (24-pin ... AM3+ USBPW1-4 LPT VGA USB34 3 24.4cm(9.6in) EATXPWR LAN1_USB12 CPU_FAN SATA3G_6 SATA3G_5 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® 760G Super I/O PCIEX16 M5A78L-M LX PLUS PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 16Mb BIOS 7 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910 USB78 USBPW5-10 SPEAKER USB56 F_PANEL SATA3G_2...
User Manual
Page 18
Ensure that you use a CPU designed for FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series processors. M5A78L-M LX PLUS M5A78L-M LX PLUS CPU AM3+ 2. Press the lever sideways to unlock the socket, then lift it fits in completely. 3. Small triangle Gold triangle 1-8 Chapter 1: Product introduction The AM3+ ...
Ensure that you use a CPU designed for FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series processors. M5A78L-M LX PLUS M5A78L-M LX PLUS CPU AM3+ 2. Press the lever sideways to unlock the socket, then lift it fits in completely. 3. Small triangle Gold triangle 1-8 Chapter 1: Product introduction The AM3+ ...
User Manual
Page 19
You can occur if you fail to plug this connector. M5A78L-M LX PLUS CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX PLUS CPU fan connector DO NOT forget to indicate that comes with the heatsink package. 5. Install a CPU heatsink and fan ...following the instructions that it is in place, push down the socket lever to section 1.6.2 Installing heatsink and fan for instructions. 7. ASUS M5A78L-M LX Series 1-9 ...
You can occur if you fail to plug this connector. M5A78L-M LX PLUS CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX PLUS CPU fan connector DO NOT forget to indicate that comes with the heatsink package. 5. Install a CPU heatsink and fan ...following the instructions that it is in place, push down the socket lever to section 1.6.2 Installing heatsink and fan for instructions. 7. ASUS M5A78L-M LX Series 1-9 ...
User Manual
Page 21
... is in place. 4. Push down the retention bracket lock on the motherboard labeled CPU_FAN. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M5A78L-M LX PLUS Channel Channel A Channel B M5A78L-M LX PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M5A78L-M LX Series 1-11 3.
... is in place. 4. Push down the retention bracket lock on the motherboard labeled CPU_FAN. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M5A78L-M LX PLUS Channel Channel A Channel B M5A78L-M LX PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M5A78L-M LX Series 1-11 3.
User Manual
Page 22
... or less. Any excess memory from the same vendor. • Due to install 4GB or more memory on the next page 1-12 Chapter 1: Product introduction M5A78L-M LX Series Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. For effective use of 512 megabits (Mb) chips or less. Size SS...
... or less. Any excess memory from the same vendor. • Due to install 4GB or more memory on the next page 1-12 Chapter 1: Product introduction M5A78L-M LX Series Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. For effective use of 512 megabits (Mb) chips or less. Size SS...
User Manual
Page 25
... Chip NO. ASUS M5A78L-M LX Series 1-15 With ASUS design, this motherboard supports up to DDR3 1866MHz as its standard memory frequency. • Due to CPU spec., AMD® 100 and 200 series CPUs support up to DDR3 1066MHz. DDR3-1066 MHz capability Vendor Part No. Visit the ASUS website at www.asus.com for the...
... Chip NO. ASUS M5A78L-M LX Series 1-15 With ASUS design, this motherboard supports up to DDR3 1866MHz as its standard memory frequency. • Due to CPU spec., AMD® 100 and 200 series CPUs support up to DDR3 1066MHz. DDR3-1066 MHz capability Vendor Part No. Visit the ASUS website at www.asus.com for the...
User Manual
Page 27
.... 1.8.4 PCI Express 2.0 x1 slots This motherboard supports PCI Express 2.0 x1 network cards, SCSI cards, and other cards that comply with the screw you removed earlier. 6. ASUS M5A78L-M LX Series 1-17 Align the card connector with the PCI Express specifications. See Chapter 2 for the expansion card. 1.8 Expansion slots In the future, you may cause...
.... 1.8.4 PCI Express 2.0 x1 slots This motherboard supports PCI Express 2.0 x1 network cards, SCSI cards, and other cards that comply with the screw you removed earlier. 6. ASUS M5A78L-M LX Series 1-17 Align the card connector with the PCI Express specifications. See Chapter 2 for the expansion card. 1.8 Expansion slots In the future, you may cause...
User Manual
Page 28
... the RAM data in CMOS. Move the jumper cap from pins 1-2 (default) to overclocking, use the CPU Parameter Recall (C.P.R) feature. CLRTC 12 23 M5A78L-M LX PLUS Normal (Default) Clear RTC M5A78L-M LX PLUS Clear RTC RAM To erase the RTC RAM: 1. Except when clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10...
... the RAM data in CMOS. Move the jumper cap from pins 1-2 (default) to overclocking, use the CPU Parameter Recall (C.P.R) feature. CLRTC 12 23 M5A78L-M LX PLUS Normal (Default) Clear RTC M5A78L-M LX PLUS Clear RTC RAM To erase the RTC RAM: 1. Except when clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10...
User Manual
Page 29
...-up the computer by pressing a key on the +5VSB lead, and a corresponding setting in reduced power mode). KBPWR 12 23 +5V +5VSB (Default) M5A78L-M LX PLUS M5A78L-M LX PLUS Keyboard power setting ASUS M5A78L-M LX Series 1-19 Set these jumpers to +5V to wake up the computer from S3 and S4 sleep modes (no power to wake up 3. This...
...-up the computer by pressing a key on the +5VSB lead, and a corresponding setting in reduced power mode). KBPWR 12 23 +5V +5VSB (Default) M5A78L-M LX PLUS M5A78L-M LX PLUS Keyboard power setting ASUS M5A78L-M LX Series 1-19 Set these jumpers to +5V to wake up the computer from S3 and S4 sleep modes (no power to wake up 3. This...
User Manual
Page 31
... PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M5A78L-M LX PLUS HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L-M LX PLUS Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard... to this connector to avail of the front panel audio I /O module is for a PS/2 keyboard. 1.10.2 Internal connectors 1. ASUS M5A78L-M LX Series 1-21 This port is for pointing devices or other VGA-compatible devices. 10. Front panel audio connector (10-1 pin AAFP) ...
... PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M5A78L-M LX PLUS HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L-M LX PLUS Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard... to this connector to avail of the front panel audio I /O module is for a PS/2 keyboard. 1.10.2 Internal connectors 1. ASUS M5A78L-M LX Series 1-21 This port is for pointing devices or other VGA-compatible devices. 10. Front panel audio connector (10-1 pin AAFP) ...
User Manual
Page 32
... Standby Power OK PIN 1 GND +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts M5A78L-M LX PLUS ATX power connectors • We recommend that the PSU has a minimum power rating of 300W power rating. This PSU type has 24-pin and 4-pin... introduction The system may become unstable or may not boot up . • We recommend that the 20-pin power plug can provide at http://support.asus.
... Standby Power OK PIN 1 GND +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts M5A78L-M LX PLUS ATX power connectors • We recommend that the PSU has a minimum power rating of 300W power rating. This PSU type has 24-pin and 4-pin... introduction The system may become unstable or may not boot up . • We recommend that the 20-pin power plug can provide at http://support.asus.