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Understanding the IRQ assignments table for my new ASUS A7V880 MB...
I've been building my own systems for about five years now but one thing has
always left me guessing as to exactly what information is being conveyed by the tables that appear in every MB manual I've seen regarding the expansion slots and which ones share IRQs. Here is the table from the MB manual and it seems to do nothing but confuse me so I am here hoping someone can explain exactly what this information means: INT A INT B INT C INT D ---------------------------------------------------------------------------- ------ PCI slot 1 --- --- --- used PCI slot 2 red --- --- --- PCI slot 3 --- sed --- --- PCI slot 4 --- --- hared --- PCI slot 5 red --- --- --- Gigabit LAN --- --- hared --- AGP slot (8x) --- --- --- OK here's the thing, every other time I've seen these tables they have had all the columns filled in. So my questions a How does INT A, INT B, INT C, and INT D relate to the IRQ asigned to a device in a particular slot. And what do they mean by "used" (I hope this does not mean I can't install a card into PCI slots 1 and 3). And finally, how do I determine which of these are *really* "shared" slots (I sure hope the AGP isn't shared with slots 2 and 5). And one final question: How do I determine if a certain device driver supports IRQ sharing? I want to configure this system with Windows-XP PRO and the following add-on cards: (1) ASUS V9180 Magic GeForce MX 440 8X AGP (for primary display) (2) Visiontek GeForce4 MX420 PCI (for second display) (3) ATI TV Wonder Value Edition PCI (TV-Tuner and Video Capture) (4) 3Com/US Robotics 56Kbps VOICE/FAX modem PCI (FAX & digital answering machine) (5) ADI AD1888 SoundMAX 6-channel audio with S/PDIF-out interface (onboard) (6) Marvell 88E8001 Gigabit LAN adapter (onboard) ----- You may send e-mail if you wish provided it is NOT SPAM. To decode my valid E-mail address, you will need to remove the NOSPAM. and the 666. I had to get complicated as spammers are now doing the obvious removal of the word "NOSPAM" to compile their lists of e-mails... - G.L. Cross |
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