DMA -- wirklich eingeschaltet?
HI!
Ich habe nach der MDK Installation vor kurzem mal den DMA-Modus meiner hdb gecheckt, kann aber aus den Angaben, die hdparm mir liefert nicht erkennen, in welchem Modus die Festplatte jetzt läuft, vielleicht könnt ihr ja helfen. Hier die Ausgabe:
[root@localhost kingvalle]# /sbin/hdparm -I /dev/hdb
/dev/hdb:
ATA device, with non-removable media
Model Number: FUJITSU MPF3204AT
Serial Number: 05057014
Firmware Revision: 0028
Standards:
Used: ATA/ATAPI-5 T13 1321D revision 1
Supported: 5 4 3 2
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 40031712
device size with M = 1024*1024: 19546 MBytes
device size with M = 1000*1000: 20496 MBytes (20 GB)
Capabilities:
LBA, IORDY(cannot be disabled)
bytes avail on r/w long: 4 Queue depth: 1
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Advanced power management level: unknown setting (0x0000)
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 *udma4
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:
* 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
Advanced Power Management feature set
Security:
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
16min for SECURITY ERASE UNIT.
HW reset results:
CBLID- above Vih
Device num = 1 determined by the jumper
