Re: DMA Problem

[Marcel Gschwandl <tautau@gmx.ch>]

the HD should be able to handle DMA because I was able to enable it with
hdparm and an kernel 2.4.20.

output of "hdparm -I /dev/hda":

<output>
/dev/hda:

ATA device, with non-removable media
        Model Number:       IC25T060ATCS05-0
        Serial Number:      CSL805DEG81H2A
        Firmware Revision:  CA8OA71A
Standards:
        Used: ATA/ATAPI-5 T13 1321D revision 3
        Supported: 5 4 3 2 & some of 6
Configuration:
        Logical         max     current
        cylinders       16383   16383
        heads           16      16
        sectors/track   63      63
        --
        CHS current addressable sectors:   16514064
        LBA    user addressable sectors:  117210240
        device size with M = 1024*1024:       57231 MBytes
        device size with M = 1000*1000:       60011 MBytes (60 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        bytes avail on r/w long: 4      Queue depth: 1
        Standby timer values: spec'd by Vendor, no device specific
minimum
        R/W multiple sector transfer: Max = 16  Current = 16
        Advanced power management level: 128 (0x80)
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=240ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    NOP cmd
           *    READ BUFFER cmd
           *    WRITE BUFFER cmd
           *    Host Protected Area feature set
           *    Look-ahead
           *    Write cache
           *    Power Management feature set
                Security Mode feature set
           *    SMART feature set
           *    Device Configuration Overlay feature set
                SET MAX security extension
                Address Offset Reserved Area Boot
                Power-Up In Standby feature set
           *    Advanced Power Management feature set
           *    SMART self-test
           *    SMART error logging
Security:
        Master password revision code = 65534
                supported
        not     enabled
        not     locked
                frozen
        not     expired: security count
        not     supported: enhanced erase
        60min for SECURITY ERASE UNIT.
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by the jumper
Checksum: correct

</output>

To me this output says it works but it doesn't.
Apropos chipset. It is an Intel i845.

Greets
Marcel