Gentoo Forums
Gentoo Forums
Gentoo Forums
Quick Search: in
No IDE device where to activate DMA in a ide-scsi cd writter
View unanswered posts
View posts from last 24 hours

 
This topic is locked: you cannot edit posts or make replies.    Gentoo Forums Forum Index Duplicate Threads
View previous topic :: View next topic  
Author Message
Tuxisuau
Apprentice
Apprentice


Joined: 04 May 2002
Posts: 213
Location: Catalunya (Europe)

PostPosted: Mon Aug 26, 2002 1:12 pm    Post subject: No IDE device where to activate DMA in a ide-scsi cd writter Reply with quote

Quote:

tux@moo tux $ cat /proc/ide/via
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.34
South Bridge: VIA vt82c686a
Revision: ISA 0x21 IDE 0x10
Highest DMA rate: UDMA66
BM-DMA base: 0xd800
PCI clock: 33.3MHz
Master Read Cycle IRDY: 0ws
Master Write Cycle IRDY: 0ws
BM IDE Status Register Read Retry: yes
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: yes yes
End Sector FIFO flush: no no
Prefetch Buffer: yes no
Post Write Buffer: yes no
Enabled: yes yes
Simplex only: no no
Cable Type: 80w 80w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: UDMA UDMA PIO UDMA
Address Setup: 30ns 30ns 30ns 30ns
Cmd Active: 90ns 90ns 90ns 90ns
Cmd Recovery: 30ns 30ns 30ns 30ns
Data Active: 90ns 90ns 90ns 90ns
Data Recovery: 30ns 30ns 30ns 30ns
Cycle Time: 60ns 30ns 120ns 45ns
Transfer Rate: 33.3MB/s 66.6MB/s 16.6MB/s 44.4MB/s


Yes, my master of secundary channel is running PIO. But it is a CD Writer with SCSI emulation, and I don't know where to find it's IDE device to let hdparm activate DMA. By the way, i'm using devfs.

Do you know?
_________________
IM me at tuxisuau@jabber.7a69ezine.org
Back to top
View user's profile Send private message
smtanner
Tux's lil' helper
Tux's lil' helper


Joined: 12 May 2002
Posts: 106
Location: Colorado

PostPosted: Mon Aug 26, 2002 1:26 pm    Post subject: Reply with quote

This issue has been discussed multiple times in these forums. Do a search.
Back to top
View user's profile Send private message
pjp
Administrator
Administrator


Joined: 16 Apr 2002
Posts: 17455

PostPosted: Mon Aug 26, 2002 5:54 pm    Post subject: Reply with quote

This is at least one of those discussions.

Locking.
_________________
Slowly I turned. Step by step.
Back to top
View user's profile Send private message
Display posts from previous:   
This topic is locked: you cannot edit posts or make replies.    Gentoo Forums Forum Index Duplicate Threads All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum