Skip to main content

Upper Memory Area (UMA)

The Upper Memory Area(UMA) the memory block from 640KB to 1024KB, is designated for hardware use, such as video RAM, BIOS.

First 128KB are called video RAM, it is reserved for video adapters, all bits used for graphics & images are stored in it.

Second 128KB is reserved for BIOS that resides in ROM chip of some adapter card.

Remaining is used by SCSI, ATA RAID, & SATA adapters with onboard BIOS chips, use a portion of this area to store their BIOS's.

The last 128KB of memory is reserved for motherboard BIOS.

Comments

Popular posts from this blog

Computer Network

What is a Network? A network is a connection between terminals, computers, servers, and components which allows for the easy flow of data and use of resources between one another. Different networks that we come across in our day to day life are telephone network, cable T.V network, transport network of a city etc. Understanding the Concept of Networking The idea of networking has been around for a long time and has taken on many meanings. If you were to look up "network" in your dictionary, you might find any of the following definitions: An openwork fabric; netting A system of interlacing lines, tracks, or channels Any interconnected system; for example, a television-broadcasting network A system in which a number of independent computers are linked together to share data and peripherals, such as hard disks and printers Obviously, the last definition is the one we are concerned with in this course. The key word in the definition is "share." Sharing is the purpose ...

map network drive in windows 7

Map Network drive is very useful in networking, it helps to access regular usable folder on one click on My Computer. This feature is used in LAN Steps to Map a Network drive Step1 go to Computer select Tools (Alt+F) -> Map Network Drive Step 2 Select the Drive letter which u want to assign for Ex H: Browse the Folder which you want to Map the drive  Then ok It will be appeared in My Computer or Computer

Best Antivirus

Hello Friends here are some best antivirus mentioned below i recommended to use ESET NOD32 ANTIVIRUS  - First check your windows version x86 or x64 before downloading BITDEFENDER ANTIVIRUS    AVAST ANTIVIRUS - After installing you register to get 1 year free KASPERSKY AVG ANTIVIRUS  - Its a free edition..  In above all of these i recommend you ESET NOD32 for fastest performance & AVAST for free Version they giving for 1 year free its really good they do. click on the antivirus to download trail versions. Download Links are with the help of Softpedia.