Picked this guy up this morning because it wasn’t booting. PSU fried due to electrical surge… However, this guy was dirty!
Super Power
Category: Hardware
HP and Compaq Laptop Blink Codes
Someone may find this useful in diagnosing their HP or Compaq laptop boot failures that generally just show a black screen.
| LEDs blink 1 time | CPU | CPU not functional |
| LEDs blink 2 times | BIOS | BIOS corruption failure |
| LEDs blink 3 times | Memory | Module error not functional |
| LEDs blink 4 times | Graphics | Graphics controller not functional |
| LEDs blink 5 times | System board | General system board failure |
| LEDs blink 6 times | BIOS | BIOS authentication failure |
Cisco 7960 How to Create Conference Call
How to create a conference, or “3-way” call on Cisco 7960 phone…
- Begin with one caller already on the line (It does not matter who initiates the first call)
- Press the “More” then press the “Conference” SoftKey that is located just below the display screen.
- Dial the number of the phone number of the person you wish to add to the conference.
- Once the second party is on the line, press the “Conference” button again to join all parties together.
Subsequent additions to your conference call can be added by following steps 2, 3 & 4 with a maximum
conference of 4 callers, including yourself.
Belkin F5U409 Windows 7 64bit Driver
Found a great post by Benjamin which outlines the work he did in finding a driver suitable for the Belkin F5U409 in Windows 64bit systems.
Here’s the blog post he has: http://www.clearchain.com/blog/posts/how-to-use-a-belkin-f5u409f5u409-cu-usb-to-pda-serial-converter-in-visawindows-7-64bit-mac-osx-10
Download the Driver from MCT: http://www.mct.com.tw/upload/Driver/U232_10.2.zip
Download the Driver from Benjamin’s server: http://clearchain.com/downloads/Belkin_FU409/U232_10.2.zip
Download the driver from my local server: U232_10.2
Windows 10
12/2019
U232-13.2.98.130315 is the driver model I used on Windows 10.
I recently needed to use this old device on my Windows 10 system (Lenovo T470). The driver found here worked with no issues. I have also saved the file to my server if you want to download locally.
IOPS Calculator
Here are some of the links I have for IOPS calculators on my site:
- https://techish.net/hardware/raid-iops-mbps-and-more-excel-cheat-sheet/
- https://techish.net/hardware/iops-calculator-and-raid-calculators-estimators/
Some useful information on some of the graphing I had done with SQLIO measurements
- https://techish.net/windows/sqlio-scripts-and-graphs/
- https://techish.net/windows/visualizing-sqlio-disk-benchmark-results-using-a-pivotchart/
Testing Disk IO in Linux