428 reputation
39
bio website formortals.com/author/charles
location United States
age 35
visits member for 3 years, 6 months
seen Dec 18 at 7:09

I solve problems for a semiconductor company. I know a bit about data storage, software performance optimization, and A/V processing.


Nov
1
comment How do I optimize Windows disk I/O for high-latency throughput?
I think of NCQ as more for helping small, near random I/Os like database access. The drive involved does have NCQ and it probably helps a bit, bit I think this situation is more about tuning the Windows I/O scheduler. Linux allows me to choose I/O schedulers (deadline, CFQ...), but in fairness none of them would be much better than Windows' default in this case.
Nov
1
asked How do I optimize Windows disk I/O for high-latency throughput?
Oct
2
comment What are the differences of watching a 1080p and a 720p version of the same media on a 720p screen?
I see a lot of wrong when it comes to answering questions like this, but your answer is excellent. Of some note is that lossy compression does not always create "blocks" -- the exact artifacting depends on many factors, but based the knowledge shown in your answer, I figure this was an intentional simplification for clarity.
Apr
8
awarded  Yearling
Feb
14
revised How does Windows processor affinity work with hyperthreaded CPUs?
added 1 characters in body
Feb
14
awarded  Nice Question
Jan
29
comment Where is the BIOS stored?
@derobert My last BIOS update was an attempt to correct a server that wouldn't boot due to a 3Ware driver update (since 3Ware requires the drivers, software, and firmware match). In that case, the inability to do an update with an unbootable OS made things tricky, and the latest 3Ware CD wouldn't boot (despite the motherboard being on the supported list). But you are totally correct: tw_cli can update the BIOS. I'd forgotten about that. :)
Jan
28
comment Where is the BIOS stored?
You make a good point, though BIOS updates are greatly improved in recent years. No longer is it required to boot to DOS and find a floppy drive. In a recent Asus board, for example, the update can be done within Windows or directly from the UEFI BIOS, which reads the file right off of NTFS. This is for motherboards. Manufacturers like 3Ware (no Avago) still expect you to figure out how to fit a 10MB BIOS on a 1.44MB disk image. They provide no backup BIOS.
Jan
28
awarded  Nice Answer
Jan
27
awarded  Yearling
Jan
27
answered Where is the BIOS stored?
Dec
20
comment New PSU won't power on with GTX780, works fine with 9600GT
@AndrewMao: I do have an oldish motherboard (Asus P8P67 Pro), but this system worked perfectly without a hitch using the PSU from PC Power & Cooling.
Dec
20
awarded  Editor
Dec
20
revised New PSU won't power on with GTX780, works fine with 9600GT
Added "checked voltages"
Dec
20
asked New PSU won't power on with GTX780, works fine with 9600GT
Nov
20
answered How frequent are DRAM errors?
Jul
16
awarded  Notable Question
May
8
accepted Strange. Asterisk key plays random Windows sound when pressed
May
8
answered How to run a file as executable with a different extension?
Dec
11
asked Strange. Asterisk key plays random Windows sound when pressed