Archive for category Product Review

Review: Buffalo WZR-HP-G300NH-AP

Buffalo WZR-HP-G300NH-AP


I bought this broadband router to replace my Linksys WRT54G (Patched w/ DD-WRT).

Before using a new router, I wonder my Internet access speed cannot be fully utilized due to the speed of the router.

After changing to new router, Internet browser response is difference. And it is very close to the direct connection to computer.


• Designed to 802.11n specifications
• Wi-Fi Certified™ to insure compatibility with other certified devices
• Wireless connections up to 300 Mbps*
• MovieEngine™ QoS feature to prioritize streaming traffic
• Built-in AirShare™ Storage USB 2.0 Port
• BitTorrent™ client
Web Access remote file access 
• Wireless Distribution System (WDS): Extend your wireless network across access points’
• Greater coverage compared to standard 802.11g
• Push-button setup with AirStation One-Touch Secure System™ (AOSS™)
• Enhanced multi-level security with WPA2, WPA-PSK (AES, TKIP) and 128/64-bit WEP
• Simple Web Browser configuration, no drivers needed
• Includes external switch to change between router and access point modes
• Adjustable flip-up antennas
• Built-in 4-port Gigabit Ethernet 10/100/1000 auto-sensing switch for up to simultaneous wired connections
• Built-in Gigabit WAN port



Wireless LAN Interface

Standard Compliance IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
Access Mode Infrastructure mode
Antenna (Tx x Rx) 3 x 3
Wireless Security WPA2, WPA-PSK (AES, TKIP), 128/64-bit WEP

Wired LAN Interface

Speed and Flow Control 10/100/1000 Mbps, Auto Sensing, Auto MDIX
Number of LAN Ports 4 x RJ-45
Number of WAN Ports 1 x RJ-45

USB Interface

Standard Compliance USB 2.0
Connector Type A type
Number of Ports 1


Power Supply External AC100-240V, 50/60 Hz
Setup Utility OS Support Windows Vista® (32-bit), Windows® XP, Windows®2000

1. Slim
2. Support VPN server
3. Fast
4. All Gigabit ports (including WAN port)
5. Support USB HDD
6. After upgrade firmware (I upgraded it to 1.74), it supports WDS

1. I used it for 2 days, it has serious line drop issue w/ my home HGC 10MB ADSL broadband connection. Line will be dropped after running for 1 hour.
2. Every time having this issue, I need to reset my ADSL modem and broadband router.
3. I have tried different configuration and cannot fix the line drop issue.
4. I flashed it w/ DD-WRT firmware v24 preSP2 Build 14402. The Internet share performance is very poor and cannot be accepted. I reverted it to original firmware.
5. Finally, I give up using this broadband router w/ my home HGC 10MB ADSL broadband connection.

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Reviews: Windows 7 – Virtual PC and WinXP Mode Comments

Just have time to re-install my Vista box to Windows 7.

My initial planning is using Windows 7 Virtual PC for my PoC Lab testing.

After I have installed Win7 and configured the Virtual PC. I found that it is only support Win32 Virtual Machine.

I am very disappeared to it.

And the so-called killer feature “WinXP Mode”. My comment is “that is a marketing word”.

It is a monster for pushing customer moving to Win7.

The cost is very high to maintain 2 OSs for every users.

Overall comments:
1. The interface of Virtual PC for Windows 7 is not good
2. It does not support 64bit platform OS.
3. Monster “WinXP mode” sound attractive. But actually, it is quite difficult to maintain it.

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Review: Hyundai ID-22FHD

Hyundai ID-22FHD



1. Unstable, when I switch between different input sources, screen will be blanked occasionally. I need to power off and on it to resume the operation.

2. Incorrect resolution detection by using VGA D-Sub connector to connect computer.

3. On screen display menu is quite nice.

4. Built-in speak sound quality not good.

5. Price is very attractive.

6. Not include monitor driver for computer connection use.

Overall comments: Not good

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Review: 3ware 9650SE-2LP

Review: 3ware 9650SE-2LP

I just bought 3ware 9650SE-2LP for my Linux box.

I have tested CentOS 5.3 (x64) and Fedora 8 (x64). Both Linux default kernel included driver already.

It is very easy to use and configure.

My comments:
1. Easy to install for Linux
2. CLI for Linux is good
3. Performance is good
4. Firmware upgrade is easy

Overall comment is very good for Linux.


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Linksys SD2008 (Review)

My Comment:

Linksys SD2008

  1. Stability ~OK
  2. Metal case is hot while running

Linksys SD2008


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D-link DGS-1008D (Review)

My comment:

D-link DGS-1008D

  1. Stable
  2. Not very hot while running
  3. Metal box will be better than Plastic box
  4. Price is very attractive

Dlink DGS-1008D


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Performance Review to PostgreSQL 8.0 and 8.3

PostgreSQL v8.3 is faster than v8.0 while doing stress test.

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Vibe MS3211-SRD (Review)

This NAS product contains USB + eSATA + 10/100 LAN.

These multiple connections design makes Vibe MS3211-SRD sound Very attractive.

But after using it as NAS device, my comment is “very slow”.

While I am using 2 computers to access the NAS, it seems “not responding”.

It may relate to the CPU processing power of the device.

For the disk format, it supports FAT32 or XFS.

After using it, my final descision is using its eSATA only.

Don’t use it as NAS. Vvvvvvery slow !

Vibe (front view)
(Front View)

Vibe (back view)
(Black View)

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