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Thread: Intel 82845G/GL: Color Depth

  1. #1
    Join Date
    Oct 2013
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    Intel 82845G/GL: Color Depth

    I'm a total newbie to this, but managed to install Lubuntu on an old desktop PC.
    Now I've run into an issue: the color depth isn't set to true colour (24 bit) and the gradients look super bad.

    First I followed some guides to verify that the graphic card drivers are installed doing the
    Code:
    sudo apt-get install xserver-xorg-video-intel
    thing and they are.

    Then I found another guide telling me to add DefaultDepth 24 to the Xorg.conf file, but I'm not sure where to exactly put that line since it contains way more lines than the one shown in the tutorial. Here's how the config file looks like: http://pastebin.com/ufRJGbwB

    Am I doing this the correct way or is there another, better way to change the color depth? Or maybe the integrated graphics aren't good enough for Lubuntu in the first place?

  2. #2
    Join Date
    Oct 2009
    Location
    Reykjavk, sland
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    Distro
    Lubuntu 14.10 Utopic Unicorn

    Re: Color Depth

    Hi, welcome to the fora.

    Quote Originally Posted by posaojedan View Post
    Or maybe the integrated graphics aren't good enough for Lubuntu in the first place?
    That may be the explanation. Please run

    Code:
    sudo lshw -sanitize > lshw.txt
    and post lshw.txt in CODE tags.
    About problems due to upgrading
    Bringing old hardware back to life.
    Please visit Quick Links -> Unanswered Posts

  3. #3
    Join Date
    Oct 2013
    Beans
    3

    Re: Color Depth

    Here it is.

    Code:
    computer
        description: Desktop Computer
        product: PROD00000000
        vendor: OEM00000
        width: 32 bits
        capabilities: smbios-2.3 dmi-2.3 smp-1.4 smp
        configuration: boot=normal chassis=desktop cpus=1
      *-core
           description: Motherboard
           product: 8GE667
           vendor: Gigabyte Technology Co., Ltd.
           physical id: 0
           version: 1.x
         *-firmware
              description: BIOS
              vendor: Award Software International, Inc.
              physical id: 0
              version: 6.00 PG
              date: 09/17/2002
              size: 128KiB
              capacity: 192KiB
              capabilities: pci pnp apm upgrade shadowing cdboot bootselect socketedrom edd int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb agp ls120boot zipboot
         *-cpu:0
              description: CPU
              product: Intel(R) Pentium(R) 4 CPU 2.40GHz
              vendor: Intel Corp.
              physical id: 4
              bus info: cpu@0
              version: 15.2.4
              slot: Socket 478
              size: 2400MHz
              capacity: 3066MHz
              width: 32 bits
              clock: 100MHz
              capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pebs bts
              configuration: id=0
            *-cache:0
                 description: L1 cache
                 physical id: 9
                 slot: Internal Cache
                 size: 8KiB
                 capacity: 20KiB
                 capabilities: synchronous internal write-back
            *-cache:1
                 description: L2 cache
                 physical id: b
                 slot: External Cache
                 size: 512KiB
                 capacity: 512KiB
                 capabilities: synchronous external write-back
         *-cpu:1 DISABLED
              description: CPU
              vendor: Unknown
              physical id: 5
              bus info: cpu@1
              version: 15.2.4
              slot: Socket 478
              size: 2400MHz
              capacity: 3066MHz
              clock: 100MHz
              capabilities: ht
              configuration: id=0
            *-cache:0
                 description: L1 cache
                 physical id: a
                 slot: Internal Cache
                 size: 8KiB
                 capacity: 20KiB
                 capabilities: synchronous internal write-back
            *-cache:1
                 description: L2 cache
                 physical id: c
                 slot: External Cache
                 size: 512KiB
                 capacity: 512KiB
                 capabilities: synchronous external write-back
         *-memory
              description: System Memory
              physical id: 1e
              slot: System board or motherboard
              size: 512MiB
              capacity: 2GiB
            *-bank:0
                 description: DIMM [empty]
                 product: None
                 vendor: None
                 physical id: 0
                 serial: [REMOVED]
                 slot: A0
            *-bank:1
                 description: DIMM
                 product: None
                 vendor: None
                 physical id: 1
                 serial: [REMOVED]
                 slot: A1
                 size: 512MiB
                 width: 64 bits
         *-pci
              description: Host bridge
              product: 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface
              vendor: Intel Corporation
              physical id: 100
              bus info: pci@0000:00:00.0
              version: 03
              width: 32 bits
              clock: 33MHz
              configuration: driver=agpgart-intel
              resources: irq:0 memory:d0000000-d7ffffff
            *-display
                 description: VGA compatible controller
                 product: 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device
                 vendor: Intel Corporation
                 physical id: 2
                 bus info: pci@0000:00:02.0
                 version: 03
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pm vga_controller bus_master cap_list rom
                 configuration: driver=i915 latency=0
                 resources: irq:16 memory:d8000000-dfffffff memory:e2000000-e207ffff
            *-usb:0
                 description: USB controller
                 product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1
                 vendor: Intel Corporation
                 physical id: 1d
                 bus info: pci@0000:00:1d.0
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: uhci bus_master
                 configuration: driver=uhci_hcd latency=0
                 resources: irq:16 ioport:b800(size=32)
            *-usb:1
                 description: USB controller
                 product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2
                 vendor: Intel Corporation
                 physical id: 1d.1
                 bus info: pci@0000:00:1d.1
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: uhci bus_master
                 configuration: driver=uhci_hcd latency=0
                 resources: irq:19 ioport:b000(size=32)
            *-usb:2
                 description: USB controller
                 product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3
                 vendor: Intel Corporation
                 physical id: 1d.2
                 bus info: pci@0000:00:1d.2
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: uhci bus_master
                 configuration: driver=uhci_hcd latency=0
                 resources: irq:18 ioport:b400(size=32)
            *-usb:3
                 description: USB controller
                 product: 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller
                 vendor: Intel Corporation
                 physical id: 1d.7
                 bus info: pci@0000:00:1d.7
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pm ehci bus_master cap_list
                 configuration: driver=ehci-pci latency=0
                 resources: irq:23 memory:e2080000-e20803ff
            *-pci
                 description: PCI bridge
                 product: 82801 PCI Bridge
                 vendor: Intel Corporation
                 physical id: 1e
                 bus info: pci@0000:00:1e.0
                 version: 82
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci normal_decode bus_master
                 resources: ioport:a000(size=4096) memory:e0000000-e1ffffff memory:20000000-200fffff
               *-network
                    description: Ethernet interface
                    product: RTL-8139/8139C/8139C+
                    vendor: Realtek Semiconductor Co., Ltd.
                    physical id: 2
                    bus info: pci@0000:01:02.0
                    logical name: eth0
                    version: 10
                    serial: [REMOVED]
                    size: 100Mbit/s
                    capacity: 100Mbit/s
                    width: 32 bits
                    clock: 33MHz
                    capabilities: bus_master rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
                    configuration: autonegotiation=on broadcast=yes driver=8139too driverversion=0.9.28 duplex=full ip=[REMOVED] latency=32 link=yes maxlatency=64 mingnt=32 multicast=yes port=MII speed=100Mbit/s
                    resources: irq:22 ioport:a000(size=256) memory:e1000000-e10000ff memory:20000000-2000ffff
            *-isa
                 description: ISA bridge
                 product: 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge
                 vendor: Intel Corporation
                 physical id: 1f
                 bus info: pci@0000:00:1f.0
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: isa bus_master
                 configuration: driver=lpc_ich latency=0
                 resources: irq:0
            *-ide
                 description: IDE interface
                 product: 82801DB (ICH4) IDE Controller
                 vendor: Intel Corporation
                 physical id: 1f.1
                 bus info: pci@0000:00:1f.1
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: ide bus_master
                 configuration: driver=ata_piix latency=0
                 resources: irq:18 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:cc00(size=16) memory:20100000-201003ff
            *-serial UNCLAIMED
                 description: SMBus
                 product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller
                 vendor: Intel Corporation
                 physical id: 1f.3
                 bus info: pci@0000:00:1f.3
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 configuration: latency=0
                 resources: ioport:5000(size=32)
            *-multimedia
                 description: Multimedia audio controller
                 product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller
                 vendor: Intel Corporation
                 physical id: 1f.5
                 bus info: pci@0000:00:1f.5
                 version: 02
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pm bus_master cap_list
                 configuration: driver=snd_intel8x0 latency=0
                 resources: irq:17 ioport:d400(size=256) ioport:d800(size=64) memory:e2082000-e20821ff memory:e2083000-e20830ff
         *-scsi:0
              physical id: 1
              logical name: scsi0
              capabilities: emulated
            *-disk
                 description: ATA Disk
                 product: WDC WD800JB-00CR
                 vendor: Western Digital
                 physical id: 0.0.0
                 bus info: scsi@0:0.0.0
                 logical name: /dev/sda
                 version: 17.0
                 serial: [REMOVED]
                 size: 74GiB (80GB)
                 capabilities: partitioned partitioned:dos
                 configuration: ansiversion=5 sectorsize=512 signature=0003e5de
               *-volume:0
                    description: EXT4 volume
                    vendor: Linux
                    physical id: 1
                    bus info: scsi@0:0.0.0,1
                    logical name: /dev/sda1
                    logical name: /
                    version: 1.0
                    serial: [REMOVED]
                    size: 74GiB
                    capacity: 74GiB
                    capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
                    configuration: created=2013-10-31 11:33:07 filesystem=ext4 lastmountpoint=/target modified=2013-10-31 12:01:45 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2013-10-31 12:01:45 state=mounted
               *-volume:1
                    description: Extended partition
                    physical id: 2
                    bus info: scsi@0:0.0.0,2
                    logical name: /dev/sda2
                    size: 503MiB
                    capacity: 503MiB
                    capabilities: primary extended partitioned partitioned:extended
                  *-logicalvolume
                       description: Linux swap / Solaris partition
                       physical id: 5
                       logical name: /dev/sda5
                       capacity: 503MiB
                       capabilities: nofs
         *-scsi:1
              physical id: 2
              logical name: scsi1
              capabilities: emulated
            *-cdrom
                 description: DVD-RAM writer
                 product: DVD RW AD-7170A
                 vendor: Optiarc
                 physical id: 0.0.0
                 bus info: scsi@1:0.0.0
                 logical name: /dev/cdrom
                 logical name: /dev/sr0
                 version: 1.02
                 serial: [REMOVED]
                 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
                 configuration: ansiversion=5 status=nodisc
    In the meantime, I tried to add the DefaultDepth line as per instructions found in another thread (disregarding the extra stuff in the config), but Lubuntu failed to boot after that.

  4. #4
    Join Date
    Oct 2009
    Location
    Reykjavk, sland
    Beans
    10,400
    Distro
    Lubuntu 14.10 Utopic Unicorn

    Re: Intel 82845G/GL: Color Depth

    While the old Intel graphics cards are trustworthy and well supported they are not that powerful. I wouldn't expect a high resolution and / or colour depth.

    If you can find another 512 MB of memory it will make a big difference. Should not cost you much.
    About problems due to upgrading
    Bringing old hardware back to life.
    Please visit Quick Links -> Unanswered Posts

  5. #5
    Join Date
    Oct 2013
    Beans
    3

    Re: Intel 82845G/GL: Color Depth

    Solved it, I think.
    I removed everything from the xorg.conf file, except for this:

    Code:
    Section "Screen"
            Identifier "Screen0"
            Device     "Card0"
            Monitor    "Monitor0"
            SubSection "Display"
            DefaultDepth 24
    EndSection
    Then I rebooted and everything's fine now. Hopefully the removal of the other chunk of lines from the config won't cause any issues.

  6. #6
    Join Date
    Oct 2009
    Location
    Reykjavk, sland
    Beans
    10,400
    Distro
    Lubuntu 14.10 Utopic Unicorn

    Re: Intel 82845G/GL: Color Depth

    It surprises me that it was so easy. If a simple setting in xorg.conf can do the trick, why wasn't 24 bit detected and enabled by the system by default? Hmmm....

    Anyway, now I also learned something.
    About problems due to upgrading
    Bringing old hardware back to life.
    Please visit Quick Links -> Unanswered Posts

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