Netboot not detected by system with PCI SCSI host adapter installed

[Mike Hammer <mike-hammer@usa.net>]

Hello,

I'm testing out the version 0.8.1 of Netboot with PCI SCSI host bus
adapter installed in the system motherboard.  Looks like the PCI SCSI
card BIOS wants to be located at 0C800:0000H so i set my Realtek 8019AS
ISA network card's on-board BIOS to get located at say 0D800:0000H.

Upon booting the sysstem, i can see on the screen that PCI SCSI controller
BIOS is displaying its banner message with etc but soon as that's complete,
i don't see the Netboot message at all.  As if Netboot has been completely
bypassed by either system BIOS or SCSI controller BIOS.

To further analyze this mystery, i boot'ed up the system with a floppy and
using DOS's DEBUG utility, i peeked at the location at 0D800:0000H and
sure enough Netboot is located there correctly.  I see the 55AA value
along with Netboot signature.

So i guess i'm wondering why is that the presence of PCI SCSI adapter
BIOS causes Netboot to get not called by the system BIOS?  Or am i seeing
a limitation with Netboot in dealing with other add-in adapter BIOS's in
the same system?

I've also tried setting the network card to be jumperless but the result
is the same.

Has anyone encountered such situation where Netboot doesn't get invoked
by the system at all?

Regards,

-mh

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