ISP Information:
PCs have DMA channels that allow certain devices to directly access memory to speed up the process. In addition to IRQ settings, you used to have to worry a lot about DMA channels, but nowadays those worries are mostly alleviated by smarter component design.
ISP Glossary:
Direct Memory Access - Joseph wrote: As to N00 offices there are at least a couple in NPA 206. 206-200, 300 are Verizon Wireless office codes.There are numerous NPA-N00 codes, and several are landlines. Thereseems to be a heavy concentration in 847; I guess is no surprise givenICC's desperate efforts to forestall the inevitable overlay. ManyNPA-N00 codes appear to be businesses:201-200-2000 New Jersey City University, Jersey City, NJ415-600-6000 California Pacific Medical Center, San Francisco, CA818-700-7000 Life Alert, Northridge, CA847-400-3400 Pcnation.com, Northbrook, IL847-600-2000 Shure Incorporated, Niles, IL847-700-4000 United Airlines, Elk Grove Village, ILNeal McLain
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