[glug-t] Problems with Laptop

Hello guys,
i am having some trouble in getting my laptop , working 
with GNU/Linux.
There are quite a few problems , but i can do with most of 
them.But one , that has made my comp quite slow is - DMA 
is not enabled on my both Hard disk and DVD combo.

Here is output of 'lspci' command:
00:00.0 Host bridge: Intel Corporation Mobile 
915GM/PM/GMS/910GML Express Processor to DRAM Controller 
(rev 03)
00:02.0 VGA compatible controller: Intel Corporation 
Mobile 915GM/GMS/910GML Express Graphics Controller (rev 
03)
00:02.1 Display controller: Intel Corporation Mobile 
915GM/GMS/910GML Express Graphics Controller (rev 03)
00:1d.0 USB Controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04)
00:1d.1 USB Controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04)
00:1d.2 USB Controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04)
00:1d.3 USB Controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04)
00:1d.7 USB Controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller 
(rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI 
Bridge (rev d4)
00:1e.2 Multimedia audio controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller 
(rev 04)
00:1e.3 Modem: Intel Corporation 82801FB/FBM/FR/FW/FRW 
(ICH6 Family) AC'97 Modem Controller (rev 04)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC 
Interface Bridge (rev 04)
00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) 
SATA Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW 
(ICH6 Family) SMBus Controller (rev 04)
01:00.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 
IEEE-1394a-2000 Controller (PHY/Link)
01:01.0 Ethernet controller: Broadcom Corporation 
BCM4401-B0 100Base-TX (rev 02)
01:02.0 Network controller: Intel Corporation PRO/Wireless 
2200BG (rev 05)
01:04.0 CardBus bridge: ENE Technology Inc CB-712/4 
Cardbus Controller (rev 10)
01:04.1 FLASH memory: ENE Technology Inc: Unknown device 
0530 (rev 01)
01:04.2 Class 0805: ENE Technology Inc: Unknown device 
0550 (rev 01)
01:04.3 FLASH memory: ENE Technology Inc: Unknown device 
0520 (rev 01)
01:04.4 FLASH memory: ENE Technology Inc: Unknown device 
0551 (rev 01)

And here is output of 'hdparm -I /dev/hdc'.Where hdc is my 
PATA hard disk.
ATA device, with non-removable media
         Model Number:       IC25N060ATMR04-0
         Serial Number:      MRA301KEKZ977H
         Firmware Revision:  MO3OAD4A
Standards:
         Used: ATA/ATAPI-6 T13 1410D revision 3a
         Supported: 6 5 4 3
Configuration:
         Logical         max     current
         cylinders       16383   65535
         heads           16      1
         sectors/track   63      63
         --
         CHS current addressable sectors:    4128705
         LBA    user addressable sectors:  117210240
         LBA48  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)
         Recommended acoustic management value: 128, 
current value: 254
         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
            *    FLUSH CACHE EXT command
            *    Mandatory FLUSH CACHE command
            *    Device Configuration Overlay feature set
            *    48-bit Address feature set
                 Automatic Acoustic Management feature set
                 SET MAX security extension
                 Address Offset Reserved Area Boot
            *    SET FEATURES subcommand required to 
spinup after power up
                 Power-Up In Standby feature set
            *    Advanced Power Management feature set
            *    General Purpose Logging feature set
            *    SMART self-test
            *    SMART error logging
Security:
         Master password revision code = 65534
                 supported
         not     enabled
         not     locked
         not     frozen
         not     expired: security count
         not     supported: enhanced erase
         50min for SECURITY ERASE UNIT.
HW reset results:
         CBLID- above Vih
         Device num = 0 determined by the jumper
Checksum: correct

If i try to set DMA using command 'hdparm -d1 /dev/hdc'.I 
get a error saying permission denied.And it says..using 
DMA off.
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