Installing SCSI card

Hi,
I've recently purchased an Adaptec 2906 SCSI card for use in a G4 running OS X 10.1. My knowledge of SCSI is not the greatest so I have a few problems I hope someone could help me with.
I have installed the card as per the Adaptec instructions, however I am unsure as to whether I need to use an internal scsi cable to connect the SCSI card to another part of the computer. The Adaptec instructions mention an internal 50 pin SCSI cable, but I am unsure of whether this is only used when connecting up internal SCSI devices (CD drives/Optical Drives etc). At the moment, the only other PCI slot used in the G4 is a card for a monitor.
When I enter Apple System Profiler it is aware that there is a card in the PCI slot, but it does not name it as Adaptec (at the moment it simply says "name: not available"). Also, when I connect a device to the SCSI card - ASP does recognise it is connected (I have attached both a Sony Optical Drive and Apple CD Drive). However, when I place some media in these drives they do not mount in OS X, and disk utility does not show either drive.
As I said, I haven't the greatest understanding of SCSI, so I may be making a stupid mistake somewhere along the line.
As a bit of background, I need to get some information off of a batch of Magneto Optical disks, and all the drives I have are SCSI, therefore I need to get this SCSI card up and running if possible
Thanks
Jack
Mac OS X (10.1.x)

Hi Jack-
Sorry to hear the saga continues. I have just started rechecking the Adaptec help site, and the following is the response to a "not reported" (my search), or "device name not available" (Adaptec's phrasing):
Q: SCSI Disk Utilities in SCSI Select or BIOS scan reports 'device name not available' for all devices.
This information applies to the following product(s):
- 2902, 2906 series, 2910 series, 2920 series, 2930 series, 2940 series, 3940 series, 2940U2W series, 2930U2 series, 3950U2 series - PCI SCSI Card(s)
This information applies to the following Operating System(s):
- All / PC
A: The SCSI Host Adapter is not in a bus mastering PCI slot.
Move the SCSI Host Adapter to a different PCI slot.
The SCSI Host Adapter has an IRQ conflict with another device in the system. The resources for the PCI SCSI Host Adapter are assigned by the motherboards CMOS setup. Double check with your computer manufacturer or motherboard manual for setting up resources for PCI slots.
So, though I will continue the search, I need some more information from you.
What, precisely, is your model and cpu?
What other PCI devices do you have installed (if any)?
Also, in spite of the fact that the card is not reporting (though detected), as far as testing function goes, please attempt connection of one of your SCSI devices. Please read the following:
http://docs.info.apple.com/article.html?artnum=58245
Make note of the ID configuration.
Be sure to properly terminate your device.
Connect only with system "off". (SCSI device power off as well).
After connected, turn "on" the SCSI device BEFORE powering up the computer.
After you get back with me regarding your Mac's vital stat's, I can then check for more system specific information.
One last note- In my G4 Sawtooth and G4 Gigabit Ethernet, the SCSI card is in slot "D"- the PCI slot closest to the internal hard drives.
G4 AGP(450)Sawtooth Mac OS X (10.4.8) 2ghzPPC,1.62gbSDRAM, ATI9800, DVR-109,(IntHD)120&160,LaCie160,23"Cinema Display

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