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NEC cdrom (Future Domain SCSI) not detected

Posted on 1997-05-02
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Last Modified: 2013-12-15
I have a Future Domain TMC-950 SCSI card and an NEC 3x (external) cd-rom drive.  When I attempt to install Redhat (v4.1), the setup program cannot detect my card.  Currently, it's set at CA00 and IRQ 5.  Thanks.
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Question by:ko050297
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by:ko050297
ID: 1627359
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jlms earned 100 total points
ID: 1627360
I am Slackware user, so disregard this if does not aply to Red Hat Linux, any way in Slackware you need to boot telling to your kernel about certain devices in the boot comand line, one of that divices are SCSI cards. I have a Future Domain TMC850C and I think it uses the same driver than yours, when I booted the first time to install I have to said:

boot: ramdisk tmc850=0xca000,5

or something like that, you will get the exact command if you check the SCSI-howto.

In recent Slackware versions the driver for soms Future Domain old cards is bundled in other drivers with differnet names, for TMC850C it was included as compatible with a Seagate card, so maybe the boot line will be different.

If you are trying to use one premade kernel for installation, check your documentation again, chances are high that your driver is compatoble with one of Seagate cards.
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by:ko050297
ID: 1627361
Well, your answer helped me indirectly (by suggesting a place to get the correct documentation--redhat.com).  Anyway, the latest errata sheet states that one needs to add the option "base_address=0xca000" in order to get linux to detect the card.

Kevin
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