KVM Extender “Cannot Display This Video Mode”
My Belkin F1D084 ver. 2 Cat5 KVM Extender was working pretty well until I upgraded to Category 6 for the in-wall cables. I was still using Category 5 for the …
Broadcom BCM5708C NIC Offline After Driver Update
My Dell PowerEdge 2900 has two Broadcom BCM5708C NICs. They’ve been running okay on a fairly old Windows driver, but after some connectivity issues with a new ThinkPad Edge laptop, …
Can’t Connect to DRAC 5 after Firmware Update
I have a DRAC 5 in a Dell PowerEdge 2900. It was working fine on firmware version 1.51, but I was doing some other server updates so decided to update …
Rework
Just finished a great little book called REWORK. About 100 pages of nuggets on how to run a small business, especially a small software company. Many of the suggestions are …
How DSL Works
I’ve been working with my ISP and local telco trying to resolve DSL speed issues. In so doing, I’m researching terms like DSLAM, ATM, Redback, etc. Best explanation so far: …
Setting Up QoS for 3CX under Windows 7
As mentioned in the previous post, getting endpoints to apply QoS tagging is only half the battle. We also need the PBX to apply tagging on outbound packets.
Basic QoS Setup on a Cisco SG 200 Switch
I recently purchased a Cisco SG 200-26 gigabit switch to upgrade the office infrastructure. This is a “lightly-managed” switch with a web interface. Here’s what I’ve learned so far about …
The Next Scam: Tech Support Calls You
A user contacted me yesterday telling me, “I just got a weird call from someone with an Indian accent saying his company had been getting error messages and they wanted …
Network Cabling and the Not-So-Proverbial Rat’s Nest
I decided to upgrade the in-wall cables in my home office from Category 5 to Category 6. Not a big deal since the conduit is already there, right? Well I …
Holding Off on Exchange 2007 SP3 Rollup Update 3-v2
Today my SBS 2008 box offered to install this optional update: “Update Rollup 3-v2 for Exchange Server 2007 Service Pack 3 (KB2530488)”. After some research, I’ve decided to decline this …