Abit An7 Audio Drivers For Mac
Subsystem Testing Audio آ– Subjective Listening One of the easiest ways to determine the quality of the audio subsystem is via a subjective sound test. An ideal sound test requires an audio source that covers the entire sound spectrum, from subtle harmonics to pulse pounding intensity. For this test, I selected a recent favorite of mine, the self titled debut from the local Dallas area band Element Eighty. This album perfectly fits the bill for this test, in that it offers an intense look in to the bowels of Heavy Metal itself. The NVIDIA audio codec does not disappoint. Audio reproduction was perfect during playback, with no discernible distortion, hissing, crackling, or other background noise. Audio آ– Microphone Port Testing The MIC-IN input was tested using a.
Spoken word was recorded and played back using Microsoft Sound Recorder, with the Microphone Boost option both disabled and enabled. The Microphone Boost option is found within the Advanced menu under the Microphone section within the Volume Control menu.
Again, the NVIDIA codec continues to perform. The recorded audio sample played back very clearly, with no detectable distortion while Microphone Boost was disabled.
The playback was a bit rougher and more distorted with Microphone Boost enabled, however. Audio آ– In Game Testing In addition to CD or MP3 playback, users most often rely on the audio subsystem for gaming, whether it be for stand along first person shooter type or online death matching. To adequately test the quality of the audio subsystem during game type scenarios, we took benchmark measurements with sound enabled and disabled using the following benchmarks: Jedi Knight 2 and Comanche 4. Yet again, the NVIDIA codec impressed me. In both tests, in game performance with sound enabled suffered marginally as compared to performance with sound disabled. Jedi Knight 2 showed the biggest difference, coming in at a 10% hit, while the Comanche 4 game performance suffered by a mere 5%.
In both cases, you will not notice any type of performance hit with on board audio enabled unless your frame rate drops below the 30-45 FPS barrier while playing. I have no qualms whatsoever in recommending the use of the integrated NVIDIA codec, its performance is truly astounding. USB 2.0/IEEE 1394 In order to adequately test the capabilities of the on board USB 2.0 and IEEE 1394 connections, we chose to use an connected first to the USB port and after to the IEEE 1394 port in conjunction with program. In both tests, the measured performance was within expectations for both connection methods. As expected, the IEEE 1394 was faster than the USB 2.0 connection in all categories with the exception of RAT (Random Access Time) and average write speed, where both connection methods scored equally well. The IEEE 1394 connection pummeled the USB 2.0 connection by more than 10 MB/s in average read speed, and almost 8MB/s in RBS (Read Bust Speed). Both devices scored as expected in CPU Utilization, with the IEEE 1394 device coming in with an average utilization just below 2%.
All in all, both connection types are on par with expectations. IDE/ATA Performance System performance relies very heavily on three major subsystems: the CPU, the system memory, and the system IDE interfaces System performance relies very heavily on three major subsystems: the CPU, the system memory, and the system IDE interfaces. In order to test the IDE performance of this board, I used program. My test bench currently uses hard drives on the IDE headers. On the SATA headers, I have hard drives installed in the test bench.
Multiple SATA drives were used for testing in RAID 0 and RAID 1 configurations on the Silicon Image controller. Testing was also conducted using a stand alone SATA drive on the Intel ICH5R controller, and an IDE drive connected in a primary slave configuration. As anticipated, the RAID 0 array with 16k block size is the strongest in overall performance.
All three RAID configurations matched performance in measured RAT (Random Access Time), while the 16k block size array managed to eek ahead of the other two by a mere 10 MB/s in RBS (Read Burst Speed). This is definitely under par for a 16k block size array, since most other similar arrays score in the neighborhood of 130 MB/s. The Average read and write speeds are again best with the 16k block sized array, but nothing special when compared with other boards RAID performance. The CPU Utilization is the most surprising, with the RAID 0 128k array coming in at 2x that of the RAID1 array and the 16k array coming in at almost 3x. If you choose to use a SATA based RAID array on this board, you would be well advised to go with the RAID 0 16k block size array.
The IDE drive outperformed the standalone SATA drive in all categories, with the exception of RAT (Random Access Time) and CPU Utilization. However, this type of performance difference between the 2 is expected and on par with past results. Network Utilization Tests software was used in conjunction with Windows Task Manager to measure the performance of the onboard NVIDIA based Realtek 10/100 NIC. DU meter was used to measure bandwidth, with Windows TaskMan to monitor the CPU utilization on the test system. For the test itself, a 750MB archive file containing various sized.WMA audio files for the large file transfer test and a 750MB worth of various sized.WMA audio files for the small files transfer test were used in conjunction with an Intel Gigabit NIC on the host system, and a crossover cable to connect the host system to the test system. A crossover cable was used to rule out any possible bandwidth losses due to hub or switch passage.
The large file transfer results were in line with the small file results. While not on par with at GigE solution, the NVIDIA integrated NIC definitely holds its own in the 10/100 space. Test Systems The following system configurations were used for the Sandra memory benchmark graph, as well as all graphs listed under the Application and Gaming Benchmark sections: ABIT AN7 (NVIDIA nForce2 Ultra 400) آ– AthlonXP 3200+ CPU (clocked at 11 x 200), (2X512MB) 1GB Kingston CAS 2.0 DDR400 (2,2,2,5), ATI Radeon 9800XT w/ ATI Catalyst 3.8 drivers, 40GB Maxtor ATA133 HDD, Windows XP w/SP1 and DX9B. AOpen AK79D-400MAX (NVIDIA nForce2 Ultra 400) آ– AthlonXP 3200+ CPU (clocked at 11 x 200) and AthlonXP 2500+ CPU (clocked at 11 x 166), (2X512MB) 1GB Corsair CAS 2.0 DDR400 (2,3,2,5), ATI Radeon 9800XT w/ ATI Catalyst 3.8 drivers, 40GB Maxtor ATA133 HDD, Windows XP w/SP1 and DX9B. ABIT KV8-MAX3 (VIA K8T800) آ– Athlon64 3200+ (2.0 GHz), (2X512MB) 1GB Corsair CAS 2.0 DDR400 (2,3,2,5), ATI Radeon 9800XT w/ ATI Catalyst 3.8 drivers, 40GB Maxtor ATA133 HDD, Windows XP w/SP1 and DX9B.
Intel D875PBZ (Intel i875P) آ– Intel Pentium 4 3.2 GHz CPU (clocked at 16 x 200) and Intel Pentium 4 2.4 GHz CPU (clocked at 12 x 200), (2X512MB) 1GB Corsair CAS 2.0 DDR400 (2,3,2,5), ATI Radeon 9800XT w/ ATI Catalyst 3.8 drivers, 40GB Maxtor ATA133 HDD, Windows XP w/SP1 and DX9B. Graphs are labeled as follows: Motherboard - CPU Clock - FSB Clock - Memory Clock.
Abit Is7 Motherboard Drivers
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Abit Support Drivers
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