UDMA 100

[fs]

On Tue, Jun 24, 2003 at 05:54:33PM +0300, Marios Trivizas wrote:
> 
> Mia akomh erwthsh:
> 
> Pws mporw na ekmetalleytw to UDMA 100? To append ston phryna ginetai
> mono mexri 66 (idebus=66). Prepei na "paixw" me to hdparm?

Kat'arxhn to idebus=66 dinei PCI bus speed 66Mhz, oxi IDE transfer
mode. Ekeino pou mporei na do8ei einai px. idebus=ata66 gia ton
orismo tou udma mode, alla stis perissoteres periptoseis de xriazetai
kanena apo ta dio options sto boot.

classic disclaimer: to hdparm mporei na ferei katastrofika
apotelesmata, opote oti kaneis dikh sou ef8inh. To pi8anotero oi
diskoi sou na exoun hdh idanikes times gia ti diataksi tous, or
too close.

To -X tou hdparm xrisimopoieitai gia tin allagh tou IDE transfer
mode. Mporei na parei tis parakatw times. 

<paste>
 hdparm -X08 -> PIO 0 3.3MB/sec
 hdparm -X09 -> PIO 1 5.2MB/sec
 hdparm -X10 -> PIO 2 8.3MB/sec
 hdparm -X11 -> PIO 3 11.1MB/sec
 hdparm -X12 -> PIO 4 16.7MB/sec
 hdparm -X16 -> SDMA 0 2.1MB/sec
 hdparm -X17 -> SDMA 1 4.2MB/sec
 hdparm -X18 -> SDMA 2 8.3MB/sec
 hdparm -X32 -> MDMA 0 4.2MB/sec
 hdparm -X33 -> MDMA 1 13.3MB/sec
 hdparm -X34 -> MDMA 2 16.6MB/sec
 hdparm -X64 -> UDMA 0 (ATA16) 16.7MB/sec
 hdparm -X65 -> UDMA 1 (ATA 25) 25MB/sec
 hdparm -X66 -> UDMA 2 (ATA 33) 33MB/sec
 hdparm -X67 -> UDMA 3 (ATA 44) 44.4MB/sec
 hdparm -X68 -> UDMA 4 (ATA 66) 66MB/sec
 hdparm -X69 -> UDMA 5 (ATA 100)100MB/sec
 hdparm -X70 -> UDMA 6 (ATA 133)133MB/sec
</paste>

Episis einai logiko sumfona kai me ta hdparm docs na
xrisimopoiitai mazi me to -d1 (DMA on) an kai sinithos
den 8a xreiastei.

protinw `info hdparm /-X<enter>':p

Profanws prepei diskos kai controller(kai 8esh ston controller)
na ipostirizoun to mode pou 8es.. Ti allo, 8a mporouse na exeis
problima cable alla afou exeis udma66 tora, einai pi8anotata
swsto 80pin.

> PS.  Me poia epilogh ston phryna mporw na exw to module usbcore.o?

"Support for USB" (i.e. i kentriki epilogh USB pou "anoigei to tree"
twn epilogwn)

-end of message