# lshw
tm520                     
    description: Notebook
    product: TravelMate 520
    vendor: Acer
    version: -1
    serial: 9141H01LJI13602B31T
    width: 32 bits
    capabilities: smbios-2.3 dmi-2.3
    configuration: boot=oem-specific chassis=notebook 
uuid=F0CF4360-A187-11D5-B5E7-C2648FE372BF
  *-core
       description: Motherboard
       product: ALi Alladin Pro
       vendor: Acer
       physical id: 0
       version: -1
       serial: 9141H01LJI13602B31T
     *-firmware
          description: BIOS
          vendor: ACER
          physical id: 0
          version: V3.3 R01-A3r-EN
          date: 03/05/2001
          size: 64KiB
          capacity: 448KiB
          capabilities: isa pci pcmcia pnp apm upgrade shadowing cdboot 
bootselect edd int13floppynec int13floppytoshiba int13floppy720 int13floppy2880 
int5printscreen int9keyboard int14serial int17printer int10video acpi agp 
smartbattery biosbootspecification


...


 *-pci
          description: Host bridge
          product: M1621
          vendor: ULi Electronics Inc.
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 05
          width: 32 bits
          clock: 33MHz
          configuration: driver=agpgart-ali
          resources: irq:0 memory:e0000000-e3ffffff

...

   *-ide
             description: IDE interface
             product: M5229 IDE
             vendor: ULi Electronics Inc.
             physical id: 10
             bus info: pci@0000:00:10.0
             version: c3
             width: 32 bits
             clock: 33MHz
             capabilities: ide pm bus_master cap_list
             configuration: driver=pata_ali latency=32 maxlatency=4 mingnt=2
             resources: irq:15 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) 
ioport:376 ioport:6050(size=16)

...

     *-scsi:0
          physical id: 3
          logical name: scsi2
          capabilities: emulated
        *-disk
             description: ATA Disk
             product: HTS541060G9AT00
             vendor: Hitachi
             physical id: 0.0.0
             bus info: scsi@2:0.0.0
             logical name: /dev/sda
             version: MB3V
             serial: MPB3LAX5KNTJEM
             size: 55GiB (60GB)
             capabilities: partitioned partitioned:dos
             configuration: ansiversion=5 sectorsize=512 signature=55915591
           *-volume:0
                description: EXT4 volume
                vendor: Linux

 # lspci -nn
00:00.0 Host bridge [0600]: ULi Electronics Inc. M1621 [10b9:1621] (rev 05)
00:01.0 PCI bridge [0604]: ULi Electronics Inc. PCI to AGP Controller 
[10b9:5247] (rev 01)
00:06.0 Multimedia audio controller [0401]: ULi Electronics Inc. M5451 PCI 
AC-Link Controller Audio Device [10b9:5451] (rev 01)
00:07.0 ISA bridge [0601]: ULi Electronics Inc. M1533/M1535/M1543 PCI to ISA 
Bridge [Aladdin IV/V/V+] [10b9:1533]
00:0a.0 Ethernet controller [0200]: Intel Corporation 82557/8/9/0/1 Ethernet 
Pro 100 [8086:1229] (rev 08)
00:10.0 IDE interface [0101]: ULi Electronics Inc. M5229 IDE [10b9:5229] (rev 
c3)
00:11.0 Bridge [0680]: ULi Electronics Inc. M7101 Power Management Controller 
[PMU] [10b9:7101]
00:13.0 CardBus bridge [0607]: O2 Micro, Inc. OZ6933/711E1 CardBus/SmartCardBus 
Controller [1217:6933] (rev 01)
00:13.1 CardBus bridge [0607]: O2 Micro, Inc. OZ6933/711E1 CardBus/SmartCardBus 
Controller [1217:6933] (rev 01)
00:14.0 USB controller [0c03]: ULi Electronics Inc. USB 1.1 Controller 
[10b9:5237] (rev 03)
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI 
Rage Mobility P/M AGP 2x [1002:4c4d] (rev 64)

 # hdparm -i /dev/sda

/dev/sda:

 Model=HTS541060G9AT00, FwRev=MB3VA60A, SerialNo=MPB3LAX5KNTJEM
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=DualPortCache, BuffSize=7539kB, MaxMultSect=16, MultSect=16
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=117210240
 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4 
 DMA modes:  mdma0 mdma1 mdma2 
 UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5 
 AdvancedPM=yes: mode=0xFE (254) WriteCache=enabled
 Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:  ATA/ATAPI-2,3,4,5,6

[    3.729178] ata1.00: ATA-6: HTS541060G9AT00, MB3VA60A, max UDMA/100
[    3.729192] ata1.00: 117210240 sectors, multi 16: LBA48 
[    3.729215] ata1.00: limited to UDMA/33 due to 40-wire cable
[    3.735989] ata1.00: configured for UDMA/33
[    3.736778] scsi 2:0:0:0: Direct-Access     ATA      HTS541060G9AT00  MB3V 
PQ: 0 ANSI: 5
[    3.738325] sd 2:0:0:0: [sda] 117210240 512-byte logical blocks: (60.0 
GB/55.8 GiB)
[    3.738566] sd 2:0:0:0: [sda] Write Protect is off
[    3.738579] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    3.738672] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[    3.741257] sd 2:0:0:0: Attached scsi generic sg0 type 0
[    3.923636] ata2.01: ATAPI: TSSTcorpCDW/DVD TS-L462C, TO10, max UDMA/33
[    3.923656] ata2.01: WARNING: ATAPI DMA disabled for reliability issues.  It 
can be enabled
[    3.923664] ata2.01: WARNING: via pata_ali.atapi_dma modparam or 
corresponding sysfs node.
[    4.018477] ata2.01: configured for UDMA/33

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https://bugs.launchpad.net/bugs/1011225

Title:
  Again limited to UDMA/33 due to 40-wire cable

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