Trend of MB’s BIOS flash chip types & packages

ZC2580(8M), ZC2564(64M) SPI Memory Emulators Discussions

Trend of MB’s BIOS flash chip types & packages

Postby Haki » Mon Mar 17, 2008 1:15 pm

Based on all showed up MBs at CeBIT 2008,
Main platforms are INTEL and AMD platform.
Chipsets list below:

AMD:
740G, 780G
INTEL:
P45, Q45, P43, G43, X48
Nvidia:
MCP7A, nForce790i Ultra SLI, GeForce 8200, 8300, nForce 750a, 780a

And BIOS flash chips on MBs could divide into3 kinds:
LPC flash (PLCC)
SPI Flash (SO8)
SPI Flash (DIP8)

As all show up MBs: 102 models
With LPC Flash: 6 models
With SPI Flash (SO8): 36models
With SPI Flash (DIP): 60models
See the chart below:
Image
LPC flash seen to be less adopted than before
Flash vendors also will phase out LPC Flash soon.
That’s the reason why MB’s BIOS almost adopt SPI flash chip now.
No wonder, IPC, notebook, workstation and server will adopt as well.
Also have a view on packages,
SPI Flash chip in DIP8 package is almost double amounts than in SO8 package.
Haki
 
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