Glossary-9
system board
The main printed circuit board inside the system unit into
which other boards and major chip components, such as the
system microprocessor, are connected.
system unit
The system component that contains the computer parts,
drives, power supply, and option boards.
V
VGA
Video Graphics Array. Graphics technology that supports
many colors and resolutions (for example, 256 colors and a
graphics resolution of 800 by 600 pixels).
volatile memory
Storage media that loses its data when system power is
turned off. Standard memory and memory that you add to
your computer are volatile memory. See nonvolatile
memory.
W
wait state
The additional cycle beyond the minimum cycles required
by the microprocessor to complete a memory transaction.
When additional cycles are required, the microprocessor
must wait for the additional cycle before the transaction is
completed. A “zero wait state” means that the operation
required no additional cycles to complete the memory
transaction.
warm boot
Process of resetting the computer without turning off the
power through keyboard input (pressing
Ctrl
,
Alt
, and
Del
keys simultaneously) or the reset button. The system returns
to an initial or arbitrarily selected condition.
Содержание POWERMATE V486 - SERVICE
Страница 31: ...1 18 Using Your Computer Minitower fax modem jacks ...
Страница 35: ...1 22 Using Your Computer Keyboard supports Keyboard features U S model ...
Страница 47: ...1 34 Using Your Computer Loading a CD into the desktop Loading a CD into the minitower ...
Страница 108: ...Removing the System Unit Cover 4 3 Releasing the cover 6 Lift the cover up and away from the unit Removing the cover ...
Страница 125: ...Adding Options 5 9 Removing a slot cover in the desktop Removing a slot cover in the minitower ...
Страница 127: ...Adding Options 5 11 6 Insert the screw to attach the board to the support bracket Securing the board in the desktop ...
Страница 128: ...5 12 Adding Options Securing the board in the minitower 7 Replace the system unit cover see Chapter 4 ...
Страница 130: ...5 14 Adding Options 2 Remove the screw that secures the board to the support bracket Removing the screw in the desktop ...
Страница 131: ...Adding Options 5 15 Removing the screw in the minitower ...
Страница 148: ...5 32 Adding Options Locating the cache sockets in the minitower ...
Страница 166: ...5 50 Adding Options System board cable connectors in the desktop ...
Страница 167: ...Adding Options 5 51 System board cable connectors in the minitower ...
Страница 179: ...Adding Options 5 63 Securing the device ...
Страница 192: ...5 76 Adding Options Connecting an RS 232C cable to the minitower ...
Страница 195: ...Adding Options 5 79 Connecting speaker components ...
Страница 200: ...5 84 Adding Options Connecting a telephone line to the desktop ...
Страница 203: ...6 2 Setting System Board Jumpers System board jumper locations and factory settings JP2 jumper settings ...
Страница 204: ...Setting System Board Jumpers 6 3 JP16 and JP17 jumper settings JP1 and JP19 jumper settings VR1 VR2 VR3 and VR4 jumpers ...
Страница 205: ...6 4 Setting System Board Jumpers JP3 through JP9 J9 JP11 and JP21 through JP23 jumpers ...
Страница 251: ...Sound Board Jumper Settings D 3 Sound board jumper locations and functions ...
Страница 255: ...Sound Board Jumper Settings D 7 High DMA channel settings ...