01:59 Aug 28, 2006 |
English language (monolingual) [PRO] Computers: Hardware / meaning | |||||||
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.... when linked to the same circuitry ... and the ISA slots of most boards are PnP capable as well when ... Explanation: Hmmm... quite a strange sentence you are dealing with. Here my suggestion: **Furthermore, the ISA slots of most boards become PnP capable when linked to the same circuitry.** What that "same circuitry" is, though, is not clear to me. Maybe the wider context will give you more evidence. |
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...most boards can make ISA slots PnP capable by linking them to the same [PCI] bus. Explanation: Older ISA cards are not designed to be PnP capable as they were devised before PnP technology came into existence. So, you have to do extra step to make those cards PnP capable. One way to do it is by linking ISA slots to the same circuitry used by PCI, that is, the PCI Bus. Indirect ref: http://linux-sxs.org/programming/isapnp1.html Most computers still accomodate ISA slots, and, of all the cards available for ISA, the majority are pnp, or CAN BE MADE to be. http://www.pcguide.com/vb/showthread.php?t=19598 When resources are assigned to “Legacy ISA” they are MANUALLY reserved for “devices” [cards] in the ISA slots ... Caps'd by me. |
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by linking them to the same circuitry (ie PCI bus) Explanation: ISA slots are PNP capable only if you connect them the the rest of the circuitry??? YES This trouble with configuration eventually led to the creation of ISA PnP, a plug-n-play system that used a combination of modifications to hardware, the system BIOS, and operating system software to automatically manage the nitty-gritty details. In reality, ISA PnP turned out to be a major headache much of the time, and didn't become well-supported until the architecture was in its final days. This was a major contributor to the use of the phrase "plug-n-Pray". PCI slots were the first physically-incompatible expansion ports to directly squeeze ISA off of the motherboard. At first, motherboards were largely ISA, including a few PCI slots. By the mid-1990s, the two slot types were roughly balanced, and ISA slots soon were in the minority on consumer systems. Microsoft's PC 97 specification recommended that ISA slots be removed entirely, though the system architecture still required ISA to be present in some vestigial way internally to handle the floppy drive, serial ports, etc. ISA slots remained for a few more years, and it was even possible to see systems with an Accelerated Graphics Port (AGP) sitting near the central processing unit, an array of PCI slots, and one or two ISA slots near the end. http://en.wikipedia.org/wiki/Industry_Standard_Architecture |
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