DMA limited to UDMA33, non-ATA66 cable or device

[Me]

Hello everyone,
I have a problem with my Averatec Laptop, Freebsd
5.2.1 does not recognize udma100 on my hdd.
I've check the bios settings and have set varios
options.
auto, dma, 32bit mode, and PIO5 (on/off) but i still
cant get the drive to work at udma100.
the cdrom is in a diffrent IDE channel (1) so I dont
think that is the problem.
I'm open to any suggestions at this point.
after 3 days, my search has led me no where.

Jose Lima


I tryed to set hw.ata.tags=1, but I get: sysctl:
unknown oid 'hw.ata.tags'. my drive is supposed to
support this parameter..
http://www.gsp.com/cgi-bin/man.cgi?section=4&topic=ata
maybe this is no longer an option on 5.2.1-release

-------------------------------
FreeBSD D777123.xxxx.com 5.2.1-RELEASE-p4 FreeBSD
5.2.1-RELEASE-p4 #3: Sun Apr  4 15:10:13 CDT 2004    
root at D777123.jlpimp.com:/usr/obj/usr/src/sys/LAPTOP 
i386
-------------------------------
Dmesg out put
-------------------------------
atapci0: <VIA 8235 UDMA133 controller> port
0xfc00-0xfc0f at device 17.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
ata0-master: DMA limited to UDMA33, non-ATA66 cable or
device
ad0: 28615MB <IC25N030ATMR04-0> [58140/16/63] at
ata0-master UDMA33
acd0: CDRW <QSI CD-RW/DVD-ROM SBW-242> at ata1-master
UDMA33
cd0 at ata1 bus 0 target 0 lun 0
---------------------------
Sysctl, DMA Kernel settings
---------------------------
ata_request:     168,        0,      0,     48,   
52627
hw.ata.ata_dma: 1
hw.ata.wc: 1
hw.ata.atapi_dma: 1
-------------------------------
When I try to change to udma100 
-------------------------------
atacontrol mode 0 udma100 biosdma
Master = UDMA33
Slave  = BIOSPIO

-------------------------------------
console output after i use atacontrol
-------------------------------------
ad0: DMA limited to UDMA33, non-ATA66 cable or device




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