EDD error RE: [syslinux] Re: SYSLINUX 2.12-pre7 released

Blaauw,Bernd B.
2004-12-09T05:49:01Z

>The way the El Torito CD-ROM is going to look like to the program, is
>that it looks like an additional hard disk which a very high drive
>number (typically 9Fh or so); MS-DOS will normally ignore this since it
>asks the BIOS how many drives there are and ignores the rest.

>Does the error message come from UDMA2.SYS or...?

>	-hpa

yes, it comes from UDMA2.SYS, it does a series of initialisation tests (read
spead for example, and VDS).

I don't know behaviour when booting to MSDOS on harddisk, only Isolinux
--> A: and Isolinux --> Memdisk --> Disk image

Bernd

http://fdos.org/ripcord/beta9sr1/other/misc/Udma2_16.zip
output on screen (sourcecode in UDMA2.ASM, line 855 and 736 ??? )

UDMA2 Disk Driver V1.6, 2-Dec-2004.  Output overlap is disabled.
UltraDMA controller found at I-O address 1050h.
  Vendor/Device I.D. 8086h/7111h.   PCI bus 00h, device 07h, function 1
 No XMS manager; using only DMA I-O, NO Output Overlap!
Primary-master disk is VMware Virtual IDE Hard Drive.
  Set to UltraDMA mode2, ATA-33.   Read tests omitted
BIOS EDD error; driver NOT loaded!



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