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SubjectRe: pre-patch-2.2.8-series candidate, TESTERS NEEDED...
On Tue, 4 May 1999, Andre M. Hedrick wrote:

> Patch will not be uploaded to the list......get it at ::
> server/udma/

Just tested the patch, all seems well here.

tahallah[alex]:/home/alex # hdparm -tT /dev/hda

Timing buffer-cache reads: 128 MB in 3.27 seconds =39.14 MB/sec
Timing buffered disk reads: 64 MB in 7.08 seconds = 9.04 MB/sec
tahallah[alex]:/home/alex # hdparm -tT /dev/hdb

Timing buffer-cache reads: 128 MB in 3.35 seconds =38.21 MB/sec
Timing buffered disk reads: 64 MB in 14.48 seconds = 4.42 MB/sec

tahallah[alex]:/home/alex # hdparm -i /dev/hda


Model=Maxtor 90680D4, FwRev=PAS23B15, SerialNo=V40DSERA
Config={ Fixed }
RawCHS=13176/16/63, TrkSize=0, SectSize=0, ECCbytes=29
BuffType=3(DualPortCache), BuffSize=256kB, MaxMultSect=16, MultSect=off
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=2(fast)
CurCHS=826/255/63, CurSects=13281408, LBA=yes, LBA=yes, LBAsects=13281408
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2
IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 mode2

tahallah[alex]:/home/alex # hdparm -i /dev/hdb


Model=ST32140A, FwRev=08.08.01, SerialNo=JBD79959
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=4095/16/63, TrkSize=65535, SectSize=951, ECCbytes=22
BuffType=3(DualPortCache), BuffSize=128kB, MaxMultSect=32, MultSect=off
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow)
CurCHS=1023/64/63, CurSects=4127760, LBA=yes, LBA=yes, LBAsects=4127760
tDMA={min:120,rec:120}, DMA modes: sword0 sword1 sword2 mword0 mword1
IORDY=yes, tPIO={min:180,w/IORDY:120}, PIO modes: mode3 mode4

All seems correct. IDE chipset used is Intel PIIX3.

Uniform Multi-Platform E-IDE driver Revision: 6.19
PIIX3: IDE controller on PCI bus 00 dev 39
PIIX3: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:pio
hda: Maxtor 90680D4, ATA DISK drive
hdb: ST32140A, ATA DISK drive
hdc: CD220E, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: Maxtor 90680D4, 6485MB w/256kB Cache, CHS=826/255/63, (U)DMA
hdb: ST32140A, 2015MB w/128kB Cache, CHS=1023/64/63, DMA

Works for me =) Unfortunately, no UDMA-33/66 controllers to test with yet.
Trying to get hold of Promise UDMA-66 controllers soon.

There is one fly in the ointment. I'm a bit worried about the length of
special cabling I will need for UDMA 33 & 66 on my machine. It's a huge
tower case and the current leads are 36" (I had some 18" cables but they
were too short to reach the motherboard's controller!) What's the max.
length I'll need for UDMA 66?

"A mind opened by new ideas can never return to its original limits"

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