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FrogMaster

Strange UDMA story - need help

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Hi all drive experts!

Here is the prob:

W2k sits on the first partition of my drive C:\ which is a seagate UDMA 33 6 gigs divided into 4x1.5 gig partitions. This drive is hooked to ide 0, channel 1.

I have a second Seagate 4 gigs UDMA 33 drive divided into 2x2 gigs partitions. This second HD is hooked to ide 0, channel 2.

A third drive, an IBM UDMA 66 20 gigs is hooked to first channel of HPT66. Win 98 and pagefiles for both oses sit on this one with most "serious" apps. Games are happy on the smaller 1.5 and 2 gigs partitions.

The strange thing is that if DMA is enabled for the first C: drive, it gets sloooooow. I mean really slooooooow like a floppy!

UDMA 33 and 66 are enabled for the two other drives.

When I reinstall/repair W2k - I have to, I tweak a lot smile - the process starts quite fast then comes to a crawl after the first part of install, I suspect when the OS enables UDMA 33 by default on drive C:. I have to disable UDMA for this drive to get it to be workable.

There is obviously a problem with this one or what???

Bios setting for both ide drives is Auto. If I set pio, W2k laughs and installs with UDMA enabled anyway. Win98 has no problem whatsoever.

All drives are Fat 32.

Has anyone a clue to get UDMA to work on this drive? Thanks for help!

 

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Abit BP6 - QQb1 bios - 2*Celery@583 MHz - 192 MB Pc100 Ram - IDE1 Seagate 6 GB - IDE2 Seagate 4 GB - HPT66 IBM 20 GB Ultra 66 - Iomega // Zip100 - Toshiba DVD SD-M1212 - CDR Sony CDU 928E - HP Deskjet 815C - Philips Vesta Pro Webcam - NIC Realtek Fast - Elsa Erazor X2 GeForce 256 DDR - Sound card Yamaha Sax - USR 56K Faxmodem - Dual boot WIN2K RC3 "Free" (on IDE1) Win 98 (on HPT66)

 

[This message has been edited by FrogMaster (edited 14 March 2000).]

 

[This message has been edited by FrogMaster (edited 14 March 2000).]

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