(unknown)

["Riccardo Castellani" <r.castellani@usl6.toscana.it>]

My HD supports  U-ATA 133 while motherboard supports U-ATA 100. (Fedora Core 
3)
DMA works at 33 Mhz (UDMA2) !?!
WHY ? How Can I set to UDMA5 ?


With  "hdparm -i /dev/hda" I can see:

 Model=Maxtor 6Y080L0, FwRev=YAR41BW0, SerialNo=Y23TZR2C
 Config={ Fixed }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
 BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
 CurCHS=4047/16/255, CurSects=16511760, LBA=yes, LBAsects=160086528
 IORDY=on/off, tPIO={min:120,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
 AdvancedPM=yes: disabled (255) WriteCache=enabled
 Drive conforms to: (null):



dmesg gives:

Linux version 2.6.12-1.1376_FC3 (bhcompile@tweety.build.redhat.com) (gcc 
version 3.4.4 20050721 (Red Hat 3.4.4-2)) #1 Fri Aug 26 23:27:26 EDT 2005
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000000fff0000 (usable)
 BIOS-e820: 000000000fff0000 - 000000000fff8000 (ACPI data)
 BIOS-e820: 000000000fff8000 - 0000000010000000 (ACPI NVS)
 BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
255MB LOWMEM available.
Using x86 segment limits to approximate NX protection
On node 0 totalpages: 65520
  DMA zone: 4096 pages, LIFO batch:1
  Normal zone: 61424 pages, LIFO batch:31
  HighMem zone: 0 pages, LIFO batch:1
DMI 2.3 present.
ACPI: RSDP (v000 AMI                                   ) @ 0x000fc570
ACPI: RSDT (v001 AMIINT VIA_P6   0x00000010 MSFT 0x00000097) @ 0x0fff0000
ACPI: FADT (v001 AMIINT VIA_P6   0x00000011 MSFT 0x00000097) @ 0x0fff0030
ACPI: DSDT (v001    VIA APOLLO-P 0x00001000 MSFT 0x0100000b) @ 0x00000000
ACPI: BIOS age (2000) fails cutoff (2001), acpi=force is required to enable 
ACPI
ACPI: Disabling ACPI support
Allocating PCI resources starting at 10000000 (gap: 10000000:efff0000)
Built 1 zonelists
Kernel command line: ro root=LABEL=/
Initializing CPU#0
CPU 0 irqstacks, hard=c0447000 soft=c0446000
PID hash table entries: 1024 (order: 10, 16384 bytes)
Detected 798.270 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 254828k/262080k available (2450k kernel code, 6572k reserved, 694k 
data, 180k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 1568.76 BogoMIPS (lpj=784384)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
SELinux:  Starting in permissive mode
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0383f9ff 00000000 00000000 00000000 
00000000 00000000 00000000
CPU: After vendor identify, caps: 0383f9ff 00000000 00000000 00000000 
00000000 00000000 00000000
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
CPU: After all inits, caps: 0383f1ff 00000000 00000000 00000040 00000000 
00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: Intel Pentium III (Coppermine) stepping 06
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
checking if image is initramfs... it is
Freeing initrd memory: 399k freed
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xfdaf1, last bus=1
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
ACPI: Subsystem revision 20050729
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:01:00.0
PCI: Using IRQ router VIA [1106/0686] at 0000:00:07.0
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
audit: initializing netlink socket (disabled)
audit(1125948457.147:1): initialized
Total HugeTLB memory allocated, 0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
SELinux:  Registering netfilter hooks
Initializing Cryptographic API
ksign: Installing public key data
Loading keyring
- Added public key ACD1A80A1D789A78
- User ID: Red Hat, Inc. (Kernel Module GPG key)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Real Time Clock Driver v1.12
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected VIA Apollo Pro 133 chipset
agpgart: AGP aperture is 64M @ 0xe0000000
PNP: No PS/2 controller found. Probing ports directly.
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
Serial: 8250/16550 driver $Revision: 1.90 $ 76 ports, IRQ sharing enabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:07.1
PCI: Via IRQ fixup for 0000:00:07.1, from 255 to 0
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci0000:00:07.1
    ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:DMA
Probing IDE interface ide0...
hda: Maxtor 6Y080L0, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hdd: LG CD-ROM CRD-8521B, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 128KiB
hda: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(33)
hda: cache flushes supported
 hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 >
hdd: ATAPI 52X CD-ROM drive, 128kB Cache, DMA
Uniform CD-ROM driver Revision: 3.20
ide-floppy driver 0.99.newide
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.01:USB HID core driver
mice: PS/2 mouse device common for all mice
md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 16Kbytes
TCP established hash table entries: 16384 (order: 5, 131072 bytes)
TCP bind hash table entries: 16384 (order: 6, 458752 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Freeing unused kernel memory: 180k freed
input: AT Translated Set 2 keyboard on isa0060/serio0
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux:  Disabled at runtime.
SELinux:  Unregistering netfilter hooks
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
8139too Fast Ethernet driver 0.9.27
PCI: Found IRQ 9 for device 0000:00:0a.0
eth0: RealTek RTL8139 at 0xd800, 00:50:bf:5a:8d:bf, IRQ 9
eth0:  Identified 8139 chip type 'RTL-8139C'
USB Universal Host Controller Interface driver v2.2
PCI: Found IRQ 11 for device 0000:00:07.2
uhci_hcd 0000:00:07.2: UHCI Host Controller
uhci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:07.2: irq 11, io base 0x0000dc00
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT3 FS on hda5, internal journal
device-mapper: 4.4.0-ioctl (2005-01-12) initialised: dm-devel@redhat.com
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hda1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hda2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hda8, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hda3, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
Adding 1052216k swap on /dev/hda7.  Priority:-1 extents:1
parport_pc: VIA 686A/8231 detected
parport_pc: probing current configuration
parport_pc: Current parallel port base: 0x378
parport0: PC-style at 0x378 (0x778), irq 7 [PCSPP,TRISTATE]
parport_pc: VIA parallel port: io=0x378, irq=7
ieee1394: Initialized config rom entry `ip1394'
ip_tables: (C) 2000-2002 Netfilter core team
ip_tables: (C) 2000-2002 Netfilter core team
eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
i2c /dev entries driver
NET: Registered protocol family 10
Disabled Privacy Extensions on device c03d60a0(lo)
IPv6 over IPv4 tunneling driver
eth0: no IPv6 routers present