Date: Tue, 30 Sep 2008 22:10:08 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Oliver Lehmann <lehmann@ans-netz.de> Cc: freebsd-stable@freebsd.org, Bartosz Stec <admin@kkip.pl> Subject: Re: system hangup - I'm lost Message-ID: <20081001051008.GA65754@icarus.home.lan> In-Reply-To: <20081001065309.3e7e108e.lehmann@ans-netz.de> References: <20080929221408.54e6a03a.lehmann@ans-netz.de> <48E201DF.5090001@kkip.pl> <20080930104827.GB44675@icarus.home.lan> <20080930165534.f49f9f17.lehmann@ans-netz.de> <20080930214321.GA57024@icarus.home.lan> <20081001065309.3e7e108e.lehmann@ans-netz.de>
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On Wed, Oct 01, 2008 at 06:53:09AM +0200, Oliver Lehmann wrote: > Jeremy Chadwick wrote: > > > I can't find anything on Intel's site that clues me in; all the PDFs > > are vague as far as what chips are on the board. > > Have you tried the Product specifications? No need -- Charles Sprickman sent me high-resolution pictures of all the ICs on the 440GX board, and I was able to identify all of them except a few (and those are obviously bit-latches or gates of some kind, so not important). Here's the list: - National Semiconductor Super I/O chip [1] - Cirrus Logic GD5480 video/VGA chip - Samsung SGRAM module for VGA chip; 16MBytes, 70ns - Intel 82371EB (PIIX4E) chip [2] - Dallas Semiconductor DS80CH11 power management chip - EtronTech SRAM; 256kbit, 15ns - Unknown, looks like flash or DRAM - Intel S82093AA I/O APIC - Octal bit-latch IC - Intel SB21150BC PCI bridge; 66MHz - Intel chip of some kind, can't make it out due to dust - Texas Instrument UCC5638 SCSI terminator - Texas Instrument UCC5638 SCSI terminator - Cypress Semiconductor W48C101 clock chip - Numerous other bit-latching ICs - Cypress Semiconductor 3.3V SDRAM buffering chip; probably used to drive SDRAM DIMMs (system memory) - ??? Model 684702-003; not sure what this does, but is of no interest - Some TI chip, doesn't interest me - 2x California Micro Devices ECP/EPP (parallel port) terminator - Maxim MAX211ECA1, no idea but doesn't interest me [1]: I'll have to look up datasheets on this chip to see if it supports H/W monitoring. [2]: This chip does a **lot**, the most important piece being it drives the entire PCI bus. It *does* support SMBus, but not I2C. Linux lmsensors supports this chip, but I don't know ""how"" it supports it. I will need to look up the specs/datasheets on it http://www.lm-sensors.org/browser/lm-sensors/trunk/doc/busses/i2c-piix4 > http://download.intel.com/support/motherboards/server/l440gx/254151-003.pdf > > Beginning on page 33 (43 of the pdf) > > It has 3 different Server Management busses. the temperature part is > handled within a Baseboard Management Controller. This BMC is implemented > using a DS82CL10. This tells me very little. :-) > Because it is a Server Board it offers a lot of managing features and > other nice things like serial console at bootup and system monitoring > features... but all unsupported withn FreeBSDs software ;) Really? That's interesting, because Charles Sprickman told me that there is no hardware monitoring information in the BIOS if you go in there. Most motherboards provide that in the BIOS as a centralised place above all else. Either way, I'm going to look into the details. Examining what exactly Linux lm-sensors means by "support" will be the first step. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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