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SUPERMICRO MBD-X10DAX-O Extended ATX Server Motherboard Dual LGA 2011-3 Intel C612
  • Verified Owner
  • neweggOwned For: more than 1 year

3 out of 5 eggs Bad BIOS Handles Built-In USB Badly 09/13/2016

This review is from: SUPERMICRO MBD-X10DAX-O Extended ATX Server Motherboard Dual LGA 2011-3 Intel C612

Pros: Once you work through the gotchas, and you mentally accept that the built-in USB ports have severe limitations, it's decent. Takes LRDIMMs for capacious memory capacity. Board is reliable; no mysterious crashes.

Cons: I've started with BIOS 1.0a. Six months later, after burning 2.0a, we have some slight improvement in usb functionality-- but nowhere near right. The problem appears to be the complexity and responsibility of a UEFI BIOS to actually enumerate USB 3.0 devices, and emulate USB 2.0 as well, and the inability of AMI to meet the specs. Since there are so few BIOS makers, Supermicro really has no options to fix this, unless AMI decide to get it right. In practice, this means:
1. Abandon the idea that devices plugged into different motherboard ports don't interact with each other, and with the boot process.
2. Scratch your head, swap plugs, hubs, and devices ad-infinitum, and give up.
3. Install an Inatek or other vendor 7 port USB card. Anything based on the Fresco Logic chipset does everything that Intel/AMI cannot. Except: boot into BIOS, which brings us to the next point.
4. You might expect that every usb keyboard will get you into the BIOS. Not! Happy Hacker keyboards don't. Discover which of your keyboards works for this.
Are we done yet? No!
5. You won't be able to boot into the BIOS if any other device is plugged into any other motherboard USB port. You'll get the famous 5-beep code, and the machine will continue into OS boot all the while you're pounding away at "DEL".
Confusing? Yeah! Excusable? Noooo Wayyyy!!!

Other Thoughts: The whole ball of wax is just a continuation of a nasty industry habit: writing specs that can't be fulfilled in practice until long after the product is obsolete, if ever. Once you learn to expect things to be partly broken you'll be "very happy" with this board.

Sunweit PCI express FireWire 800 / 1394b (2+1) Ports card with TI chipset
  • Verified Owner
  • neweggOwned For: 1 week to 1 month

3 out of 5 eggs Boot problems solved. 12/29/2015

This review is from: Sunweit PCI express FireWire 800 / 1394b (2+1) Ports card with TI chipset

Pros: I had complained that the card stops a Supermicro X10SRA from booting. The cause turned out to be the per-slot settings for ROM on expansion cards: UEFI, LEGACY, or NONE. I switched the setting for the slot in which the card was installed from LEGACY to NONE.The machine then booted with a Firewire card installed. But by then, I was trying not the Sunweit card, but a Syba card. So the Sunweit card is probably OK, although I did not test it.

Cons: Motherboard: Supermicro X10SRA, configured for UEFI. OS: W8.1 Machine halted at an early BIOS screen and froze. Will not boot to OS with card installed. With card removed, machine boots normally.
Is this a UEFI problem?

Other Thoughts: In choosing between the Syba and Sunweit cards, notice these differences:
1. The Syba has larger filter capacitors. But they are of the electrolytic type. The Sunweit uses smaller capacitors, but of a more durable type. I do not know how to weigh this.
2. The Syba has three external ports, one of which is Firewire 400, the other two Firewire 800.
3. The Sunweit has two external ports, and one internal port, all Firewire 800
Both use the TI chipset, which is the preferred one.

Sony Xperia ZL C6506 Black 4G LTE Quad-Core 1.5 GHz 16GB Unlocked Cell Phone
  • neweggOwned For: 1 day to 1 week

4 out of 5 eggs excellent, except nonremovable battery 07/29/2013

This review is from: Sony Xperia ZL C6506 Black 4G LTE Quad-Core 1.5 GHz 16GB Unlocked Cell Phone

Pros: T-Mobile/ATT LTE compatible.
Exceptional display
Very responsive
Sony PC Companion software excellent
Large, high res screen
Replaces 7" tablets
Fast data
Versatile, state-of-the-art connectivity
No hangs, no glitches.
High quality construction.
GPS receiver one of the most sensitive I have seen, either separate or integrated.

Apart from the Google Nexus, which is actually a tablet, this may be the only device that is LTE compatible with both Tmobile and AT&T. The US version of the waterproof "Z" covers just a single Tmobile LTE band. The ZL covers five bands.

Even with no SIM, the ZL is a very interesting choice as a tablet. The screen resolution compensates for the size.

Cons: Support staff ignorant. I called tech support to find out how to tether it via usb. It turned out to be markedly different than a TM506 flip-phone. While tech support was trying to get off the hook by telling me I had to contact Microsoft, I figured it out, and taught them.

If a wifi access point is some distance, and the signal is weak, extreme battery drain may occur. Attempting to connect to a marginal 5gHz network, the battery dropped 10% in 3 minutes. The drain would have been less on the 2.4 gHz band. But if traveling with the phone, it seems advisable to either avoid the use of wifi, or carry a charger pack.

Battery is nonremovable. One of the big makers should break from this rip-off.

Screen front is not Corning gorilla glass.

Other Thoughts: A larger, swappable battery pack would unlock the missing potential. Grossly overweight Americans should stop focusing on the thinness of their gadgets and instead focus on the thickness of their guts.


Robert M.'s Profile

Display Name: Robert M.

Date Joined: 11/05/03

  • Reviews: 11
  • Helpfulness: 7
  • First Review: 11/23/08
  • Last Review: 09/13/16
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