-
PATA HDD: 40 wires vs 80
- 40 wire cables use master/slave settings
- 80 wire cables use cable select or master/slave
-
Molex Connectors
Supply power to FDD/SATA/PATA
-
IDE cables have two connectors
- Connector on the far end: Master
- Connector in the middle: Slave
-
pin 1 on HDD/FDD
always closest to the power supply
-
Acceptable voltage range: 5.0
4.8 - 5.2
-
Acceptable voltage range: 12.0
11.4 - 12.6
-
Acceptable voltage range: 3.3
3.14 - 3.5
-
Acceptable voltage range: Power Good
3.0 - 6.0
-
loopback address
127.0.0.1
-
ATX cases typically have _ case fans
2
-
PATA UDMA-66 or faster drive limited to slower speeds
- Replace 40-wire cable with 80-wire
- Possibly run manufacturer speed-change program
-
No information displayed at boot, or drive error becausedrive not detected at startup, and drive can be heard spinning up
- Check connection (pin 1)
- or properly seated connection if SATA
-
HDD clicking or scraping
- It's physically damaged
- replace it
-
Two drives are on a ribbon cable, and only one is being detected, or neither drive is detect
Check jumper settings
-
Initial system power yields ―drive not ready error, but reboot and drive comes up fine.
- Adjust delay timer in BIOS
- Disable quick boot
-
FDD: "General Error"
or "Track 0 bad"
or "Sector not found"
Re-format disk
-
FDD: Drive light turns on at boot and stays illuminated
connector cables are backwards
-
-
Printer: Replace fuser
Fixes smearing/wet printouts
-
Printer: Replace drum
Fixes "ghosted" images and speckles
-
Printer: Power cycle
clears print queue, sometimes fixes garbage characters
-
User file locations : XP/2k
C:\Documents and Settings\Username
-
User file locations: 7/Vista
C:\Users\User
-
Print spooler stalled
- Restart spooler service
- one method: net stop spooler,
- net start spooler
-
Copy folders (including all subfolders and files)
xcopy
-
Remote desktop in Windows Vista
- Computer you connect to must be using
- Business or
- Ultimate
-
HP LaserJet Error 52
Scanning motor not working
-
HP LaserJet Error 11
No paper in tray
-
HP LaserJet Error 14
No toner cartridge
-
HP LaserJet Error 50
Fuser malfunctioning
-
-
-
10GBaseSR
- 10Gbps / 26 m
- Multi-Mode Fiber
-
10BaseT
- 10 Mbps / 100 m
- CAT-3, CAT-4
-
-
Too much thermal paste on processor
- Could overheat
- Could short-circuit
-
Line tester
used on phone lines to determine analog/digital/polarity
-
PCI 16x throughput
8,000 Mbps
-
PCI 32x throughput
16,000 Mbps
-
example of format syntax
- format d: /fs ntfs /v:DATA
- v: volume name
- fs: filesystem type
-
You can search e-mails on the server without downloading them
IMAP
-
You have to download all e-mails to search them
POP3
-
LPT
Line Printer Terminal
-
COM1
Serial Communications (like for modems) 1
-
Program used to create a mounted drive
Disk Management (MMC)
-
line filter
required for DSL connections
-
Region Settings on Win2k
Regional Options
-
Region Settings on WinXP
Regional and Language Options
-
Theoretical RAM limit of 64-bit systems
16EB
-
Examples of passive heat sink
- radiator
- cooling fin
- (no fans)
-
-
APIPA range
- 169.254.x.x
- cannot connect to internet
-
-
-
-
-
-
standard ping sends _ packets
4
-
by default, tracert will report up to __ hops
30
-
netstat
- determines network activity statistics
- netstat -b: tells you programs making connections
- runs until ctrl+break
-
net use
- shows connections
- maps network drives (\\servername\share)
- makes connections
-
TCP port __ must be open for telnet to work
23
-
microfilters
prevent interference on phone lines
-
ISDN
- Integrated Services Digital Network
- 128kbps
- meant for multiple digital devices to share one phone line
-
Allows 802.11a to run on later machines
dual mode
-
-
-
802.11n
- 600 Mbps max (300Mbps likely)
- 2.4 / 5 GHz range
-
WEP
- 64 or 128 bit encryption
- user only has access to 40 of 64 bits, meaning 40-bit encryption
-
QoS
- Quality of Service
- Streaming audio/video in VoIP calls
-
FXO port
allows you to use regular phone with VoIP
-
fix master boot record
bootrec /fixmbr
-
fix OS boot record
bootrec /fixboot
-
Inheritance
- Propagation (of attributes) on a larger scale
- like entire drives instead of folders
-
Computer using static IP has a subnet of 0.0.0.0
IP conflict with another host
-
Task schedule
- only available in administative tools from WinVista onward
- schtasks command otherwise
-
You have a computer running Windows XP with Service Pack 2. You are
unable to access the Help and Support Center and receive a message that
the Help and Support service is not running. You need to start the
service.
- CP -> Admin Tools -> Services or
- CP -> Admin Tools -> Computer Mgmt
-
Windows XP Service Pack 2 adds
- Windows Security Center
- Windows Firewall enabled by default
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