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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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