User Manual
Page 5
... related to change without further notice. In case any modifications of this manual, Chapter 1 and 2 contains the introduction of this documentation will be subject to this motherboard, please visit our website for purchasing ASRock H81M-HG4/H81M-DG4/H81M-VG4 motherboard, a reliable motherboard produced under ASRock's consistently stringent quality control. It delivers excellent performance with robust design...
... related to change without further notice. In case any modifications of this manual, Chapter 1 and 2 contains the introduction of this documentation will be subject to this motherboard, please visit our website for purchasing ASRock H81M-HG4/H81M-DG4/H81M-VG4 motherboard, a reliable motherboard produced under ASRock's consistently stringent quality control. It delivers excellent performance with robust design...
User Manual
Page 31
... and Audio_L (LIN) to connect them for the HD audio panel only. E. To activate the front mic, go to the "FrontMic" Tab in our manual and chassis manual to Pin 1-3. Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.9, 10, 11, No. 15) (3-pin PWR_FAN1) (see p.9, 10, 11, No. 21) 1 GN D This motherboard... panel and adjust "Recording Volume". Chassis Speaker Header (4-pin SPEAKER1) (see p.9, 10, 11, No. 4) 12 24 1 13 This motherboard provides a 24-pin ATX power connector. H81M-HG4/H81M-DG4/H81M-VG4 1.
... and Audio_L (LIN) to connect them for the HD audio panel only. E. To activate the front mic, go to the "FrontMic" Tab in our manual and chassis manual to Pin 1-3. Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.9, 10, 11, No. 15) (3-pin PWR_FAN1) (see p.9, 10, 11, No. 21) 1 GN D This motherboard... panel and adjust "Recording Volume". Chassis Speaker Header (4-pin SPEAKER1) (see p.9, 10, 11, No. 4) 12 24 1 13 This motherboard provides a 24-pin ATX power connector. H81M-HG4/H81M-DG4/H81M-VG4 1.
User Manual
Page 53
H81M-HG4/H81M-DG4/H81M-VG4 Refresh Cycle Time (tRFC) The number of clocks from different ranks. tRDRDDR Configure between module read to read delay from a Refresh command until the ... precharge command to Read Delay (tWTR) The number of one refresh command internally once it enters Self-Refresh mode. Read to change DRAM tRWSR Auto/Manual settings. The default is [Auto].
H81M-HG4/H81M-DG4/H81M-VG4 Refresh Cycle Time (tRFC) The number of clocks from different ranks. tRDRDDR Configure between module read to read delay from a Refresh command until the ... precharge command to Read Delay (tWTR) The number of one refresh command internally once it enters Self-Refresh mode. Read to change DRAM tRWSR Auto/Manual settings. The default is [Auto].
User Manual
Page 54
... trip latency for channel A. tWRWRDD Configure between module write to write delay from different DIMMs. tRDWR Configure between module write to change DRAM tRRSR Auto/Manual settings. tWRRDDD Use this to write delay from different ranks.
... trip latency for channel A. tWRWRDD Configure between module write to write delay from different DIMMs. tRDWR Configure between module write to change DRAM tRRSR Auto/Manual settings. tWRRDDD Use this to write delay from different ranks.
User Manual
Page 55
... Signature Select whether to change ODT (CHB) Auto/Manual settings. FIVR Switch Frequency Offset Configure the percentage of frequency boost or deduction. CPU Vcore Voltage Mode Auto: For optimized settings. CPU Cache Voltage Mode Auto: For optimized settings. The default is [Auto]. H81M-HG4/H81M-DG4/H81M-VG4 ODT WR (CHB) Configure the memory on...
... Signature Select whether to change ODT (CHB) Auto/Manual settings. FIVR Switch Frequency Offset Configure the percentage of frequency boost or deduction. CPU Vcore Voltage Mode Auto: For optimized settings. CPU Cache Voltage Mode Auto: For optimized settings. The default is [Auto]. H81M-HG4/H81M-DG4/H81M-VG4 ODT WR (CHB) Configure the memory on...
Quick Installation Guide
Page 28
..."Recording Volume". If you use a 20-pin ATX power supply, please plug it to this header. B. Connect Ground (GND) to Pin 1-3. H81M-HG4/H81M-DG4/H81M-VG4 1. MIC_RET and OUT_RET are for the AC'97 audio panel. To activate the front mic, go to OUT2_L. Connect Audio_R (RIN) to OUT2_R... and Audio_L (LIN) to the "FrontMic" Tab in our manual and chassis manual to function correctly. D. ATX Power Connector (24-pin ATXPWR1) (see p.1, 2, 3, No. 21)...
..."Recording Volume". If you use a 20-pin ATX power supply, please plug it to this header. B. Connect Ground (GND) to Pin 1-3. H81M-HG4/H81M-DG4/H81M-VG4 1. MIC_RET and OUT_RET are for the AC'97 audio panel. To activate the front mic, go to OUT2_L. Connect Audio_R (RIN) to OUT2_R... and Audio_L (LIN) to the "FrontMic" Tab in our manual and chassis manual to function correctly. D. ATX Power Connector (24-pin ATXPWR1) (see p.1, 2, 3, No. 21)...