Adaptec 1540CF (aha1542) not detected
greetings... :)
I am trying to install etch RC1 on a old machine with an Adaptec aha1540CF
ISA SCSI card, but cannot seem to get debian to detect the controller.
My system:
ASUS P2-99 with 433MHz Intel
256MB ram
AGP 4MB vid card
1 - 40 GB IDE HDD
Adaptec 1540CF with SCSI CDROM attached.
I have pulled all other cards from the system, have tried this with the IDE
HDD disconnected, and have tried different SCSI CD-ROMs.
The aha1540 does NOT boot CDs well (seems to use some sort of floppy
emulation that does not work with most bootable CDs). So I am trying to
install using the boot floppies (boot.img, root.img, cd-drivers.img).
However, the installer cannot detect my SCSI CDROM. I try to choose it
manually, but no such device seems to be listed in /dev (looking for
/dev/sr0 or some such)
I have tried the boot option:
aha1542.aha1542=0x<base_address>
I have tried setting the card at all different addresses (from 0x130 to
0x330), all different DMA channels and IRQs, but to no avail. I have even
read through the module source code in aha1542.c, but found no solution.
I should note that I have tried other distros with the same results
(pcLinuxOS, sysrescuecd). The aha1540cf is apparently not detected.
any thoughts?
I have read through the archives. The aha154x is mentioned a number of
times, but people seem to be able to get it working by changing the card
address, specifying aha1542=xxx as a boot option, etc.
Unfortunately, I do not have a SCSI HDD to test the problem, just a bunch of
different SCSI CDROMs/CDRWs. Can anyone tell me how to see if linux is at
least seeing the controller itself, if not the CDROM?
(also, I don't believe it is bad hardware, because I've done test installs
of WinXP and it seems to work fine) just cannot get linux to see it! :(
any thoughts or experiences?
thanks!
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