sanders at mvista.com
Fri Sep 15 16:23:53 EDT 2000
Alex J Lennon wrote:
> Also , there is a discussion of a possible pre-cursor to FlashFx in DDJ, May
> - although I haven't managed to source this .
You can get all the articles/source from 1988 up to now on the
Dr. Dobb's CD/Release 9:
It's $100US though. Here's a list of the FLASH articles that I
found on my Release 8 CD:
FLASH FILE SYSTEMS by Drew Gislason
Flash memory packaged in solid-state, credit card-size PCMCIA cards is
starting to change the face of embedded and portable systems. Drew
examines Flash file systems and presents one that's FAT-like.
THE MICROSOFT FLASH FILE SYSTEM
by Peter Torelli
Peter examines flash file systems for DOS, focusing on the mechanics
behind a flash file system based on the Microsoft data structures.
INSIDE FLASH MEMORY
by Brian L. Dipert
Direct-execute flash memory systems don't require the gigabyte hard
disks and 64-Mbit DRAM arrays common in desktop systems.
The May 93 article has source that simply allocates a FLASH sector
for every sector of a FAT file system. It doesn't do erases. He
discusses that there is a better way, which he called "Byte-oriented
Flash File System", but there isn't much detail there. What he
does say is that at Datalight (his employer) they use a linked
list of records with each header containing "approximately 12 bytes
(describing the data's owner) and a variable-length data field".
I do not see any mention of an FTL. This last point interested
me because the article is from May 93 and the imfamous M-systems
patent was filed Mar 93.
scott_anderson at mvista.com MontaVista Software Inc.
(408)328-9214 490 Potrero Ave.
http://www.mvista.com Sunnyvale, CA 94086
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