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SubjectRe: poor IDE performance on ASUS P4PE with WD800JB
Tom Winkler wrote:

>Hi,
>
>I've asked this question in several Newsgroups but nobody was really
>able to answer it. That's why I decided to send it to LKM. Please CC
>me on your replies. Thanks!
>
>I've got a question related to ide performance.
>First of all my hardware:
>Mainboard: ASUS P4PE (using onboard IDE but not S-ATA)
> http://www.asus.com/products/mb/socket478/p4pe/overview.htm
>Harddisk: Western Digital WD800JB
> http://www.westerndigital.com/products/products.asp?DriveID=32
>

Well I have the same P4PE and here are mine:

hdparm -I /dev/hda

/dev/hda:

ATA device, with non-removable media
Model Number: WDC WD300BB-00AUA1
Serial Number: WD-WMA6W2128969
Firmware Revision: 18.20D18
Standards:
Supported: 5 4 3 2
Likely used: 6
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 58633344
device size with M = 1024*1024: 28629 MBytes
device size with M = 1000*1000: 30020 MBytes (30 GB)
Capabilities:
LBA, IORDY(can be disabled)
bytes avail on r/w long: 40 Queue depth: 1
Standby timer values: spec'd by Standard, with device specific
minimum
R/W multiple sector transfer: Max = 16 Current = 16
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=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* 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
Automatic Acoustic Management feature set
SET MAX security extension
* DOWNLOAD MICROCODE cmd
Security:
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
-------------------------------------------------------------------------------------------
hdparm -tT /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 0.35 seconds =365.71 MB/sec
Timing buffered disk reads: 64 MB in 2.00 seconds = 32.00 MB/sec
------------------------------------------------------------------------------------------
cat /proc/ide/hda/settings
name value min
max mode
---- ----- ---
--- ----
acoustic 0 0
254 rw
address 0 0
2 rw
bios_cyl 3649 0 65535 rw
bios_head 255 0
255 rw
bios_sect 63 0
63 rw
breada_readahead 8 0 255 rw
bswap 0 0
1 r
current_speed 69 0
70 rw
failures 0 0
65535 rw
file_readahead 124 0 16384 rw
init_speed 69 0
70 rw
io_32bit 0 0
3 rw
keepsettings 0 0
1 rw
lun 0 0
7 rw
max_failures 1 0 65535 rw
max_kb_per_request 128 1 255 rw
multcount 16 0
16 rw
nice1 1 0
1 rw
nowerr 0 0
1 rw
number 0 0
3 rw
pio_mode write-only 0 255 w
slow 0 0
1 rw
unmaskirq 0 0
1 rw
using_dma 1 0
1 rw
wcache 0 0
1 rw






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