Messages in this thread | | | From | Sergei Organov <> | Subject | Re: Lifetime of flash memory | Date | Tue, 28 Mar 2006 17:27:33 +0400 |
| |
"linux-os \(Dick Johnson\)" <linux-os@analogic.com> writes:
> On Mon, 27 Mar 2006, Sergei Organov wrote: > >> "linux-os \(Dick Johnson\)" <linux-os@analogic.com> writes: >> [...] >>> CompactFlash(tm) like SanDisk(tm) has very good R/W characteristics. >> >> Try to write 512-byte sectors in random order, and I'm sure write >> characteristics won't be that good. >> >>> It consists of a connector that exactly emulates an IDE drive connector >>> in miniature, an interface controller that emulates and responds to >>> most IDE commands, plus a method of performing reads and writes using >>> static RAM buffers and permanent storage in NVRAM. >> >> Are you sure they do have NVRAM? What kind of NVRAM? Do they have backup >> battery inside to keep NVRAM alive? >> > > NVRAM means [N]on-[V]olatile-[RAM]. Any of many types, currently NAND flash. > No battery required.
But NAND FLASH, while it is NV(Non-Volatile) *is not* RAM (Random Access Memory), sorry. So it seems there is no NVRAM inside CFs, right?
-- Sergei. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |