In the early nineties, while I was attending SPIE, SIGGRAPH, and Society for Information Display conferences, I heard a psychologist give a presentation on display bit depth. He claimed that, under the right conditions, humans could distinguish about 400 shades of gray, and that therefore 8 bits of grayscale resolution, which only allows 255 or… [Read More]
Archives for March 2011
Epson 4900 OOBE
As I reported earlier, I had decided to wait on upgrading my 3880 to a 4900, but someone wanted to buy the 3880, and that was enough to push me over the edge. The 4900 arrived on a pallet, with the box standing about two feet high above the top of the base. UPS said… [Read More]
Dell T7500 OOBE 5 – RAID controller
Sloggus interuptus. The RAID controller arrived yesterday. I picked HighPoint as the vendor for no reason other than they’re the supplier of the HBA that Western Digital ships with their 3 TB disks. I plugged it in – it’s a tiny PCIe card – and wired up one of the 3 TB Hitachi drives to… [Read More]
Dell T7500 OOBE, part 4: now begins the slog
The easy part of getting a new computer up and running is over. The major apps are loaded. The hardware is all working, save the 3 TB disks that await a RAID controller. Now is the time for all the fiddly bits: configuring email clients, loading the little apps, configuring web sites in Dreamweaver, loading… [Read More]
Dell T7500 OOBE part 3
The Serial-Attached SCSI BIOS takes about a minute to run. In order to speed up the boot time. I disabled it in the BIOS. The computer wouldn’t boot. I re-enabled it. Still wouldn’t boot. I added it back into the boot sequence, and resigned myself to looking at it every time I rebooted. I ran… [Read More]
- 1
- 2
- 3
- 4
- Next Page »