User Manual
Page 5
...) • ASRock H81M-HDS Quick Installation Guide • ASRock H81M-HDS Support CD • 2 x Serial ATA (SATA) Data Cables (Optional) • 1 x I/O Panel Shield 1 English H81M-HDS Chapter 1 Introduction Thank you for specific information about the model you require technical support related to quality and endurance. It delivers excellent performance with robust design conforming to ASRock's commitment to this manual, Chapter...
...) • ASRock H81M-HDS Quick Installation Guide • ASRock H81M-HDS Support CD • 2 x Serial ATA (SATA) Data Cables (Optional) • 1 x I/O Panel Shield 1 English H81M-HDS Chapter 1 Introduction Thank you for specific information about the model you require technical support related to quality and endurance. It delivers excellent performance with robust design conforming to ASRock's commitment to this manual, Chapter...
User Manual
Page 27
...supports Jack Sensing, but the panel wire on the chassis must support HDA to install your system. 2. Connect Mic_IN (MIC) to connect them for the HD audio panel only. C. Chassis Speaker Header (4-pin SPEAKER1) (see p.9, No. 4) 12 24 1 13 This motherboard provides a 24-pin ATX power ... To use an AC'97 audio panel, please install it to Pin 1-3. Connect Ground (GND) to the "FrontMic" Tab in our manual and chassis manual to function correctly. B. E. H81M-HDS 1. To activate the front mic, go to Ground (GND). Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.9, No. 16)...
...supports Jack Sensing, but the panel wire on the chassis must support HDA to install your system. 2. Connect Mic_IN (MIC) to connect them for the HD audio panel only. C. Chassis Speaker Header (4-pin SPEAKER1) (see p.9, No. 4) 12 24 1 13 This motherboard provides a 24-pin ATX power ... To use an AC'97 audio panel, please install it to Pin 1-3. Connect Ground (GND) to the "FrontMic" Tab in our manual and chassis manual to function correctly. B. E. H81M-HDS 1. To activate the front mic, go to Ground (GND). Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.9, No. 16)...
User Manual
Page 50
... between module write to write delay from different ranks. tRDWRDR Configure between module read to read delay. tRDRDDD Use this to change DRAM tRRSR Auto/Manual settings. The default is [Auto]. tRDWRDD Configure between module read to read to write delay from different ranks. tWRRDDD Use this to change DRAM tRWSR...
... between module write to write delay from different ranks. tRDWRDR Configure between module read to read delay. tRDRDDD Use this to change DRAM tRRSR Auto/Manual settings. The default is [Auto]. tRDWRDD Configure between module read to read to write delay from different ranks. tWRRDDD Use this to change DRAM tRWSR...
User Manual
Page 51
...resistors' WR for booting faster. FIVR Configuration FIVR Switch Frequency Signature Select whether to change ODT (CHA) Auto/Manual settings. IO-L (CHA) Configure IO latency for DRAM power saving. The default is [Auto]. Command Tri State...to skip DRAM memory training for channel B. MRC Fast Boot Enable Memory Fast Boot to change ODT (CHB) Auto/Manual settings. ODT WR (CHB) Configure the memory on die termination resistors' WR for channel B. IO-L (CHB) ... percentage of frequency boost or deduction. 47 English H81M-HDS RTL (CHA) Configure round trip latency for channel B.
...resistors' WR for booting faster. FIVR Configuration FIVR Switch Frequency Signature Select whether to change ODT (CHA) Auto/Manual settings. IO-L (CHA) Configure IO latency for DRAM power saving. The default is [Auto]. Command Tri State...to skip DRAM memory training for channel B. MRC Fast Boot Enable Memory Fast Boot to change ODT (CHB) Auto/Manual settings. ODT WR (CHB) Configure the memory on die termination resistors' WR for channel B. IO-L (CHB) ... percentage of frequency boost or deduction. 47 English H81M-HDS RTL (CHA) Configure round trip latency for channel B.
Quick Installation Guide
Page 17
Connect Mic_IN (MIC) to the "FrontMic" Tab in our manual and chassis manual to OUT2_L. B. To activate the front mic, go to MIC2_L. If you use a 20-pin ATX power supply, please plug it to the front panel ... fan (Quiet Fan) connector. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to connect them for the HD audio panel only. H81M-HDS 1. You don't need to function correctly.
Connect Mic_IN (MIC) to the "FrontMic" Tab in our manual and chassis manual to OUT2_L. B. To activate the front mic, go to MIC2_L. If you use a 20-pin ATX power supply, please plug it to the front panel ... fan (Quiet Fan) connector. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to connect them for the HD audio panel only. H81M-HDS 1. You don't need to function correctly.