Gigabyte GA-MA770-UD3

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General Information

The GA-MA770-UD3 is an AMD motherboard with an AM2+ socket and SB700 chipset. This page details the rev 1.0 hardware; there are also 2.0 and 2.1 variants with minor updates.

Hardware Specs

CPU Support AM2/AM2+/AM3 (amdfam10h; up to Phenom II X6 1090T)
Memory 4× DDR 2 slots, maximum 16GB DDR2-1200+
Expansion Slots
  • 1× PCIe 2.0 x16
  • 4× PCIe 2.0 x1
  • 2× PCI slots
Internal Storage
  • 6× SATA 3Gbit/s
  • 1× PATA ATA-133
  • 1× floppy disk controller
  • BIOS fake-RAID support
Connectivity
  • 8× USB 2.0 on rear panel, 4× internal headers
  • 2× IEEE1394 (FireWire) on rear panel (4 and 6 pin), 1 internal header
  • PS/2 mouse and keyboard ports
  • RTL8168 Gigabit ethernet
  • Realtek HDA audio: 6-channel PCM + coaxial SPDIF + optical SPDIF on rear panel, front mic/headphone internal headers

Kernel Configuration

CPU

KERNEL
[*] 64-bit kernel
Processor type and features  --->
    [*] Symmetric multi-processing support
    [*] Avoid speculative indirect branches in kernel
    Processor family (AMD 61xx/7x50/PhenomX3/X4/II/K10)
    [*] Machine Check / overheating reporting
        [*]   AMD MCE features
    [*] MTRR (Memory Type Range Register) support
        [*]   x86 PAT support
Power management and ACPI options  --->
    CPU Frequency scaling  --->
        Default CPUFreq governor (schedutil)
        <*>   ACPI Processor P-States driver

Disks

KERNEL {00:11.0 SATA controller,00:14.1 IDE interface}: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 {SATA Controller [AHCI mode],IDE Controller}
Device Drivers  --->
    <*> Serial ATA and Parallel ATA drivers (libata)  --->
        <*>   AHCI SATA support
        [*]   ATA SFF support
        [*]     ATA BMDMA support
        <*>     Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support

Floppy disk support is there, if needed:

KERNEL 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller
Device Drivers  --->
    [*] Block devices  --->
        <*>   Normal floppy disk support

Sound

KERNEL
Device Drivers  --->
    <*> Sound Card Support  --->
        <*> Advanced Linux Sound Architecture  --->
            HD-Audio  --->
                <*> HD Audio PCI
                <*> Build Realtek HD-audio codec support

Ethernet

KERNEL 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 02)
Device Drivers  --->
    Networking support  --->
        [*] Network device support  --->
            [*] Ethernet driver support  --->
                [*]   Realtek devices
                <*>     Realtek 8169 gigabit ethernet support

Peripherals

KERNEL
Device Drivers  --->
    [*] USB support  --->
        <*>   Support for Host-side USB
        [*]   PCI based USB host interface
        <*>     EHCI HCD (USB 2.0) support
            [*]     Root Hub Transaction Translators
            [*]     Improved Transaction Translator scheduling
        <*>     OHCI HCD (USB 1.1) support
            <*>     OHCI support for PCI-bus USB controllers
    IEEE 1394 (FireWire) support  --->
        <*> FireWire driver stack
        <*>   OHCI-1394 controllers

Sensors

KERNEL
Device Drivers --->
    I2C support  --->
        <*>   I2C device interface
        [*]   Autoselect pertinent helper modules
        I2C Hardware Bus support  --->
            <*> Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)
    -*- Hardware Monitoring support  --->
        <?>   AMD Family 10h+ temperature sensor
        <*>   ITE IT87xx and compatibles

Many AMD Family 10h (i.e. Athlon/Phenom II) chips have a faulty temperature sensor. It's safe to enable the driver here, but the kernel will detect affected CPUs and disable it automatically for them. In that case there's no reason to leave it enabled at all.

lm-sensors doesn't have an upstream config file for this chipset; the following is a best-effort attempt to write one:

FILE /etc/sensors.d/it8720-GA-MA770-UD3.conflm-sensors config file
# Partial Gigabyte GA-MA770-UD3 config file for lm-sensors 3, 2019-12-20
chip "it8720-*"
    ## Fans
    # These are the labels as printed on the motherboard
    label   fan1    "CPU Fan"
    label   fan2    "Sys Fan"
    label   fan3    "Sys Fan 2"
    label   fan5    "PSU Fan"

    ## Temperatures
    label   temp1   "Sys Temp" # idle temp is 38°C, may need offset
    label   temp2   "CPU Temp" # idle temp is 45°C, ditto
    ignore  temp3   # stuck at 80°C, probably disconnected

    ## Local settings - adjust these yourself!
    set     fan1_min    0   # BIOS sets non-zero
    ignore  fan3        # not present
    ignore  fan5        # not present
    set     temp1_min   25
    set     temp1_max   45
    set     temp2_min   35
    set     temp2_max   65

    ## Voltages
    # These settings were hacked together from bits and pieces of user-submitted
    # config files from similar 770/870 boards (mostly MA770-DS3) here:
    # https://github.com/lm-sensors/lm-sensors/blob/master/configs/Gigabyte/
    # While none of them are a perfect match, it does help significantly.

    ignore  in0     # 1.30V, never changes
    label   in1     "DDR2 1.8V"
    label   in2     "+3.3V"     # suspect, never changes from exactly 3.34V
    label   in3     "+5V"
    label   in4     "+12V"      # DS3's 12V in6 lines seem to work here
    label   in5     "Vcore?"
    ignore  in6     # duplicate of in2?
    label   in7     "5VSB"      # the kernel's it87 driver sets this for us
    label   in8     "Vbat"

    set     in1_min 1.8 * 0.95
    set     in1_max 1.8 * 1.05

    set     in2_min 3.3 * 0.95
    set     in2_max 3.3 * 1.05

    compute in3     @ * ((6.8/10)+1),   @ / ((6.8/10)+1)
    set     in3_min 5 * 0.95
    set     in3_max 5 * 1.05

    compute in4     @ * ((30/10)+1),    @ / ((30/10)+1)
    set     in4_min 12 * 0.95
    set     in4_max 12 * 1.05

    # Unknown, but probably Vcore - seems directly proportional to CPU load.
    # 4 idle cores have this reading around 1.5, fully loaded as high as 2.2
    set     in5_min 1.5 * 0.95
    set     in5_max 2.1 * 1.05

    compute in7     @ * ((6.8/10)+1),   @ / ((6.8/10)+1)
    set     in7_min 5 * 0.95
    set     in7_max 5 * 1.05

    ## Other
    ignore  cpu0_vid    # probably correct (1.250V), but static so not useful
    ignore  intrusion0  # nobody uses these things…

Sensor output with the above configuration:

user $sensors | sed -n '/it87/,/^ }$/ p'
it8720-isa-0228
Adapter: ISA adapter
DDR2 1.8V:     1.82 V  (min =  +1.71 V, max =  +1.89 V)
+3.3V:         3.34 V  (min =  +3.14 V, max =  +3.47 V)
+5V:           5.03 V  (min =  +4.76 V, max =  +5.24 V)
+12V:         12.35 V  (min = +11.39 V, max = +12.61 V)
Vcore?:        1.65 V  (min =  +1.42 V, max =  +2.21 V)
5VSB:          4.97 V  (min =  +4.76 V, max =  +5.24 V)
Vbat:          3.14 V
CPU Fan:     1527 RPM  (min =    0 RPM)
Sys Fan:     1584 RPM  (min =    0 RPM)
Sys Temp:     +37.0°C  (low  = +28.0°C, high = +48.0°C)  sensor = thermistor
CPU Temp:     +45.0°C  (low  = +25.0°C, high = +65.0°C)  sensor = thermal diode

The raw unfiltered sensor values for reference:

user $sensors -jc /dev/null | sed -n '/it87/,/^ }$/ p'
   "it8720-isa-0228":{
      "Adapter": "ISA adapter",
      "in0":{
         "in0_input": 1.296,
         "in0_min": 0.896,
         "in0_max": 1.264,
         "in0_alarm": 0.000,
         "in0_beep": 0.000
      },
      "in1":{
         "in1_input": 1.824,
         "in1_min": 1.712,
         "in1_max": 1.888,
         "in1_alarm": 0.000,
         "in1_beep": 0.000
      },
      "in2":{
         "in2_input": 3.344,
         "in2_min": 3.136,
         "in2_max": 3.472,
         "in2_alarm": 0.000,
         "in2_beep": 0.000
      },
      "+5V":{
         "in3_input": 2.992,
         "in3_min": 2.832,
         "in3_max": 3.120,
         "in3_alarm": 0.000,
         "in3_beep": 0.000
      },
      "in4":{
         "in4_input": 3.072,
         "in4_min": 2.848,
         "in4_max": 3.152,
         "in4_alarm": 0.000,
         "in4_beep": 0.000
      },
      "in5":{
         "in5_input": 1.584,
         "in5_min": 1.424,
         "in5_max": 2.208,
         "in5_alarm": 0.000,
         "in5_beep": 0.000
      },
      "in6":{
         "in6_input": 3.344,
         "in6_min": 0.000,
         "in6_max": 4.080,
         "in6_alarm": 0.000,
         "in6_beep": 0.000
      },
      "5VSB":{
         "in7_input": 2.960,
         "in7_min": 2.832,
         "in7_max": 3.120,
         "in7_alarm": 0.000,
         "in7_beep": 0.000
      },
      "Vbat":{
         "in8_input": 3.136
      },
      "fan1":{
         "fan1_input": 1530.000,
         "fan1_min": 0.000,
         "fan1_alarm": 0.000,
         "fan1_beep": 0.000
      },
      "fan2":{
         "fan2_input": 1588.000,
         "fan2_min": 0.000,
         "fan2_alarm": 0.000,
         "fan2_beep": 0.000
      },
      "fan3":{
         "fan3_input": 0.000,
         "fan3_min": 0.000,
         "fan3_alarm": 0.000,
         "fan3_beep": 0.000
      },
      "fan5":{
         "fan5_input": 0.000,
         "fan5_min": 0.000,
         "fan5_alarm": 0.000,
         "fan5_beep": 0.000
      },
      "temp1":{
         "temp1_input": 37.000,
         "temp1_max": 48.000,
         "temp1_min": 28.000,
         "temp1_alarm": 0.000,
         "temp1_type": 4.000,
         "temp1_offset": 6.000,
         "temp1_beep": 0.000
      },
      "temp2":{
         "temp2_input": 45.000,
         "temp2_max": 65.000,
         "temp2_min": 25.000,
         "temp2_alarm": 0.000,
         "temp2_type": 3.000,
         "temp2_offset": 6.000,
         "temp2_beep": 0.000
      },
      "temp3":{
         "temp3_input": 79.000,
         "temp3_max": 127.000,
         "temp3_min": 127.000,
         "temp3_alarm": 0.000,
         "temp3_type": 4.000,
         "temp3_offset": 6.000,
         "temp3_beep": 0.000
      },
      "cpu0_vid":{
         "cpu0_vid": 1.250
      },
      "intrusion0":{
         "intrusion0_alarm": 0.000
      }
   }

Other details

lspci output

CODE lspci -k
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RX780/RX790 Host Bridge
        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] RX780/RX790 Host Bridge
00:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RX780/RD790 PCI to PCI bridge (external gfx0 port A)
        Kernel driver in use: pcieport
00:0a.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD790 PCI to PCI bridge (PCI express gpp port F)
        Kernel driver in use: pcieport
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode]
        Subsystem: Gigabyte Technology Co., Ltd Device b002
        Kernel driver in use: ahci
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ohci-pci
00:12.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB OHCI1 Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ohci-pci
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ehci-pci
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ohci-pci
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB OHCI1 Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ohci-pci
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ehci-pci
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 3c)
        Subsystem: Gigabyte Technology Co., Ltd GA-MA770-DS3rev2.0 Motherboard
        Kernel modules: i2c_piix4
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 IDE Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5002
        Kernel driver in use: pata_atiixp
00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA) [1002:4383]
        Subsystem: Gigabyte Technology Co., Ltd GA-MA770-DS3rev2.0 Motherboard [1458:a022]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller
        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge
00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
        Subsystem: Gigabyte Technology Co., Ltd Device 5004
        Kernel driver in use: ohci-pci
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor HyperTransport Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor Link Control
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 02)
        Subsystem: Gigabyte Technology Co., Ltd Onboard Ethernet
        Kernel driver in use: r8169
03:0e.0 FireWire (IEEE 1394) [0c00]: Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link) [104c:8024]
        Subsystem: Gigabyte Technology Co., Ltd Motherboard [1458:1000]
        Kernel driver in use: firewire-ohci
        Kernel modules: firewire-ohci

Some of these can be disabled in the BIOS, in which case they won't appear here at all.

Known hardware issues

  • The ethernet chip may forget its speed over a suspend and default to 100Mbit after resume. To work around this, put ethtool -s eth0 speed 1000 in the appropriate place in your suspend scripts.
  • Most AMD family 10h CPUs have a processor erratum related to the temperature sensor's unreliability, which is why the driver is disabled above.
  • The SB700 chipset is affected by a kernel quirk that prevents it using message-signalled interrupts due to the possibility of data corruption when a floppy drive is used. There's a patch on the Gentoo forums (updated version here) to disable the kernel's workarounds, which may or may not improve performance slightly.