In older architectures, peripherals were accessed via a separate mechanism to memory access with special I/O instructions. On x86, there were (and still are!) “in” and “out” instructions for transferring bytes between the CPU and a peripheral. Peripherals were given addresses, for example 0x80 for the keyboard. Simplifying a lot, doing “in 0x80” would read … Read more
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I investigated the same question a while back. After chatting to people who have worked on FPGAs, this is what I get: FPGAs are great for realtime systems, where even 1ms of delay might be too long. This does not apply in your case; FPGAs can be very fast, espeically for well-defined digital signal processing … Read more
This depends slightly on the operating systems you’re running on the servers, but in general, it is possible to obtain alerts from HP ProLiant servers and Smart Array RAID controllers. The full driver and software support listing for your DL380 G5 systems is listed here. SNMP and a monitoring solution is the best approach… But … Read more
Data published by CERN IT staff (Data Integrity) would suggest that the amount of errors that comes from RAM is quite low. You still have to weight your data and the cost of hardware. You can read a bit more about this at StorageMojo.
There’s no such thing as an “ideal monitor setup” because there’s no such thing as a “canonical user” either ! (plus the setup you need depends on the tasks you have to perform) That being said, the strategy I use at my company is simple : Get every developer as many monitors as he asks … Read more
I’ve gone pretty much ‘USB everything’ so all the extras stay in the bag until needed. USB serial port, USB ethernet adapter ( I hear you about sometimes needing two NICs! ), USB CD/DVD-RW. The weight still adds up on the shoulder, but the base machine then requires nothing more than a USB port (or … Read more
There is this: http://www.idotpc.com/thestore/pc/viewPrd.asp?idproduct=918 It only supports one SD card, but many motherboards have built-in RAID 1 support. I’ve had some experience with flash drives and ESXi, and mirroring is definitely to be recommended.
Use OCS Inventory: Information about Hardware and Operating System are collected. Memory slot arrays : Caption and description, Capacity in MB, Purpose (system memory, flash memory…), Type of memory (SDRAM, DDR…), Speed in MHz, Slot number.
the error message means that an error in your RAM was detected but it was corrected because you are using error-correcting RAM. if you’re getting it a lot, then you have bad memory. memtest won’t detect it because the error is corrected before memtest reads that bad memory. if you want memtest to detect the … Read more