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Re: [Libreboot] EDID dump for T400 with dual graphics, 1440 x 900 screen
From: |
The Gluglug |
Subject: |
Re: [Libreboot] EDID dump for T400 with dual graphics, 1440 x 900 screen. |
Date: |
Fri, 22 May 2015 07:32:42 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.6.0 |
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Can you re-post the EDID using i2cdump instead?
On 22/05/15 00:27, False False wrote:
> Greetings and Salutations:
>
> I installed i2c-tools and read-edid
>
> I tried:
>
> sudo get-edid | strings
>
> and got what I presume was get-edid output, but also got the error
> message:
>
> bash: strings: command not found
>
> so I tried:
>
> sudo get-edid | parse-edid
>
> and got this output: (I hope it serves the same purpose) (all of
> the below information was contained in the sudo get-edid | strings
> output, and this has additional information, so I am including
> solely this output)
>
> ______________________________________________________________________________
>
> $ sudo get-edid | parse-edid
>
> parse-edid: parse-edid version 2.0.0
>
> get-edid: get-edid version 2.0.0
>
> Performing real mode VBE call
>
> Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
>
> Function supported
>
> Call successful
>
> VBE version 300
>
> VBE string at 0x11100 "Intel(r)Cantiga Graphics Chip Accelerated
> VGA BIOS"
>
> VBE/DDC service about to be called
>
> Report DDC capabilities
>
> Performing real mode VBE call
>
> Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
>
> Function supported
>
> Call successful
>
> Monitor and video card combination does not support DDC1 transfers
>
> Monitor and video card combination supports DDC2 transfers
>
> 0 seconds per 128 byte EDID block transfer
>
> Screen is not blanked during DDC transfer
>
> Reading next EDID block
>
> VBE/DDC service about to be called
>
> Read EDID
>
> Performing real mode VBE call
>
> Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
>
> Function supported
>
> Call successful
>
> parse-edid: EDID checksum passed.
>
> # EDID version 1 revision 3
>
> Section "Monitor"
>
> # Block type: 2:0 3:f
>
> # Block type: 2:0 3:fe
>
> Identifier "LEN:3640"
>
> VendorName "LEN"
>
> ModelName "LEN:3640"
>
> # Block type: 2:0 3:f
>
> # Block type: 2:0 3:fe
>
> # DPMS capabilities: Active off:yes Suspend:yes Standby:yes
>
> Mode "1440x900" # vfreq 59.998Hz, hfreq 55.558kHz
>
> DotClock 101.560000
>
> HTimings 1440 1488 1520 1828
>
> VTimings 900 903 909 926
>
> Flags "-HSync" "-VSync"
>
> EndMode
>
> Mode "1440x900" # vfreq 50.009Hz, hfreq 51.309kHz
>
> DotClock 86.610000
>
> HTimings 1440 1488 1520 1688
>
> VTimings 900 903 909 1026
>
> Flags "-HSync" "-VSync"
>
> EndMode
>
> # Block type: 2:0 3:f
>
> # Block type: 2:0 3:fe
>
> EndSection
> ----------------------------------------------------------------------------------
>
>
Then I tried
>
> sudo modprobe i2c-dev
>
> sudo i2cdump -y [integer] 0x50
>
> where integers from 1 to 9 were tried. The only meaningful output
> was for an integer value of 4, which follows:
>
> ---------------------------------------------------------------------------------
>
> $ sudo i2cdump -y 4 0x50
>
> No size specified (using byte-data access)
>
> 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
>
> 00: 00 ff ff ff ff ff ff 00 30 ae 36 40 00 00 00 00
> address@hidden
>
> 10: 00 11 01 03 80 1e 13 78 ea cd 75 91 55 4f 8b 26
> .??????x??u?UO?&
>
> 20: 21 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
> !PT...??????????
>
> 30: 01 01 01 01 01 01 ac 27 a0 84 51 84 1a 30 30 20
> ???????'??Q??00
>
> 40: 36 00 2f be 10 00 00 19 d5 21 a0 f8 50 84 7e 30
> 6./??..??!??P?~0
>
> 50: 30 20 36 00 2f be 10 00 00 19 00 00 00 0f 00 95 0
> 6./??..?...?.?
>
> 60: 0a 32 95 0a 28 19 09 00 4c a3 57 54 00 00 00 fe
> ?2??(??.L?WT...?
>
> 70: 00 4c 54 4e 31 34 31 42 54 30 34 30 30 32 00 be
> .LTN141BT04002.?
>
> 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ................
>
> sudo rmmod i2c-dev
>
> The equipment I am running is
>
> T400 with Dual Graphics, T9900 CPU and 4GB ram. I think it may be
> an education model, because its model number was similar to the
> education models in the massive list of the T400 's I downloaded.
> This model number: 2768-EK9 was not in that list. It has almost all
> possible features except for the WWAN card, but has the antenna and
> miniPCI slot for the WWAN card. This boots fine with Factory.Rom,
> but not at all with Libreboot.Rom, at least not the way I was
> compiling it. I have not tried the newest
> t400_8mb_usqwerty_vesafb.rom from the libreboot.org website.
>
> Note: the T9900 CPU is an upgrade from factory. I haven't tried the
> orginal CPU with Libreboot.Rom yet. The 4GB of ram installed is
> most likely the factory ram, as it came with the machine when I
> bought it. In case you wonder about my assembly technique, the T400
> has always worked with the Factory.Rom and the factory 4GB RAM. I
> haven't tried every permutation of installed gear and version of
> libreboot.rom because each assembly / dissasembly is a risk of
> breaking something, most likely a connector.
>
> If you need the output of get-edid | strings, tell me what package
> installs 'strings' command.
>
> Yours Truly,
>
> EmmanuelGoldstein address@hidden Yandex.com, where you
> get free email, can use tor to access it, there is no ID check, IP
> address check, or cell phone confirmation, don't need javascript if
> you click on the yandex light link at the bottom of the page, and
> it is located in Russia which may confer some additional
> desirability. In ? 6 weeks, I have gotten ZERO spam.
>
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