ASRock A780GMH/128M Motherboard Review :: Features

04-02-2009 · Category: Motherboards

By Ben Sun
  • Support for Socket AM2+/AM2 AMD Phenom FX/Athlon 64 FX/ Athlon 64 X2 Dual Core/Athlon x2 Dual Core/Athlon 64/Sempron processors
  • Solid Capacitors for CPU power
  • Support for Socket AM3 processors: AMD Phenom II X4/X3 and Athlon II X4/X3/X2 processors
  • Supports AMD OverDrive with ACC feature (Advanced Clock Calibration)
  • Supports Hyper-Transport 3.0 (HT 3.0) Technology
  • AMD 780G+SB 710 chipsets
  • FSB 2600MHz (5200MT/second)
  • Supports Dual Channel DDR2 1066 with AM2+ CPU and Dual Channel DDR2 800/667/533MHz with AM2 CPU maximum capacity 16GB
  • Integrated AMD Radeon HD 3200 graphics
  • Integrated 128MB Side port memory for Igpu
  • Hybrid CrossfireX
  • Supports ASRock Instant Boot
  • ASRock OC Tuner
  • Intelligent Energy Saver (Phenom/Phenom II CPU)
  • Hybrid Booster

Part Number A780GMH/128M
Manufacturer ASRock
Chipset 780G
North Bridge 780G
Socket Socket AM2+, Socket AM3
Memory speed 1066/800/667/533
Processor Types Athlon 64 X2 Dual Core/Athlon 64/ Sempron/Phenom/Phenom II
Number of CPUs 1
HT Speed Up to 5200MT/second
Memory Type DDR2
Memory Channels Double
Maximum Memory 16GB
External Graphics PCI Express x16
IGP ATI Radeon HD 3200
South Bridge SB710
Audio 8-channel
IDE 133/100/66
SATA 3.0 GB/s
RAID 0, 1, 0+1, 5, 10
LAN 10/100/1000 4 LAN Ports
Firewire IEEE 1394a
Form Factor ATX

This board is rather unique in being the only motherboard with the combination of a 780G (HD 3200) and the SB 710 Southbridge. The HD 3200 on the motherboard is a slower version of the HD 3300 found on motherboards with the 790GX chip on them. The HD 3200 is clocked at a clock speed of 500MHz for the core, compared to 700MHz on the HD 3300. The ASRock board also has 128MB of DDR3-1333MHz dedicated for an onboard frame buffer to speed up graphics.

ASRock A780GMH/128M Motherboard Review Logo


Hybrid CrossfireX is an interesting but not very useful feature at this time. This works by combining the power of the HD 3200 with a discrete graphics card. The problem with Hybrid CrossfireX is that it only supports the HD 3450 card. Those wanting the ultimate in performance from their new AMD system would install a HD 4890 or HD 4870 instead of using the HD 3450 which will not improve performance that much.

AMD has moved from the Socket AM2+ interface found on earlier CPUs to the Socket AM3 interface with their 45 nanometer processors and adding support for DDR3 memory. The transition to the Phenom II series of CPUs means that there are AM2+ processors running faster than their AM3 counterparts. As there are two pins missing on the AM3 CPUs you can use AM3 CPUs on AM2+ motherboards, but can't use AM2+ CPUs on AM3 motherboards due to the missing support for DDR3 on the CPU.