Our Blog

Upgrade OS paths

Upgrade Paths Existing OS Upgrade to Windows 2000? Upgrade to Windows XP? Windows 95 Yes No Windows 98 Yes Yes Windows ME No Yes Windows NT 4.0 Workstation Yes Yes Windows 2000 N/A Yes System Requirements: Windows 2000 Professional Hardware Minimum Recommended Processor Pentium 133 Pentium II or better Memory 64 MB 128 MB or […]

Read More »

Types of Memory

Type of Memory Description DRAM (Dynamic RAM) Memory that must be refreshed. SRAM (Static RAM) (L1, L2, L3) Does not require refresh. Used for cache memory. SDRAM (Synchronous Dynamic RAM) Synced with the CPU clock. 168-pin. DDR (Double Data Rate) SDRAM Data read on rising and falling edge of computer clock to double the bandwidth […]

Read More »

SCSI Specifications

SCSI Standard Number/Name Bus Width Throughput (MBps) Cable Pin Count Signaling Max Devices (Incl. Host Adapter) Max Length (M) SCSI-1/ “Regular” SCSI 8 5 50 SE 8 6 HVD 8 25 SCSI-2/ Fast SCSI Fast narrow 8 10 50 SE 8 3­ HVD 8 25 SCSI-2/ Fast wide SCSI 16 20 68 SE 16 3 […]

Read More »

Protocols

Protocol Description IPX / SPX (NWLink) Internetwork Packet Exchange/Sequenced Packet Exchange. The default network protocol for Novell Netware prior to NetWare 5. (Current default is TCP/IP). NWLink is the Microsoft version of IPX/SPX. NETBEUI / NetBIOS These two terms are grouped together by many technical resources, which can be misleading. NetBEUI is the NetBIOS Extended […]

Read More »

File System

FAT16 Advantage Disadvantage Compatibility with all Microsoft OS and some UNIX Root folder limited to 512 entries MS-DOS boot floppy can access 4 GB theoretical size 2 GB maximum in Windows XP Efficient for small volumes (< 256 MB) Boot sector not backed up No file system security No compression scheme FAT32 Advantage Disadvantage No […]

Read More »

Drive Interface Standards

Interface Standard Speed Notes IDE/ATA 2.1 MBps – 8.3 MBps 528 MB limit PIO modes 0-2 ATA-2/Fast ATA 16.6 MBps > 528 MB, 4 IDE devices PIO modes 3-4 DMA 1-2 ATA-3 Nominal speed increase SMART ATAPI-4, Ultra ATA, Fast ATA-2, Ultra DMA Modes 0-2, DMA/33 33 MBps Introduced DMA modes and 80-conductor cable ATAPI-5, […]

Read More »

Command Line Utilities

Attrib Displays, sets, or removes the read-only, archive, system, and hidden attributes assigned to files or directories. Used without parameters, attrib displays attributes of all files in the current directory. Syntax attrib [{+r | -r}] [{+a | -a}] [{+s | -s}] [{+h | -h}] [[Drive:][Path] FileName] [/s[/d]] Parameters +r Sets the read-only file attribute. -r […]

Read More »

Cables

Cable Type Common Name Physical Layer Name Speed Max Length (M) RG-6 Satellite TV N/A N/A RG-8 Thicknet 10Base5 10 Mbps 50 (drop) 500 (backbone) RG-58 Thinnet 10Base2 10 Mbps 185 RG-59 Cable TV N/A N/A CAT3 UTP Fast Ethernet 10 Base-T 10/100 Mbps 100 CAT4 UTP Fast Ethernet 10 Base-T 16 Mbps 100 CAT5 […]

Read More »

Bus Bandwidth

Bus Type Bus Width (Bits) Bus Speed (MHz) Data Cycles Per Clock Bandwidth (MBps) PCI 32 33 1 133 PCI 66 MHz 32 66 1 266 PCI 64-bit 64 33 1 266 PCI 66 MHz/64-bit 64 66 1 533 PCI-X 66 64 66 1 533 PCI-X 133 64 133 1 1066 PCI-X 266 64 266 […]

Read More »

FashionBuzz © 2015 | All Rights Reserved Theme by Flythemes