Information Technology Reference
In-Depth Information
can connect to each connector (IDE0 or IDE1) as a master or a slave. Thus, the PC can
support up to four disk drives on the IDE bus.
•
TV out socket
. Used to provide an output which will interface to a TV, using either
PAL (for the UK) or NSTC (for the US).
•
Level-2 cache (SRAM)
. Used to store information from DRAM memory.
•
Video memory
. Used to store video information.
•
Graphics controller
. Used to control the graphics output.
•
Audio codec
. Used to process audio data.
Audio
codec
Audio
(OP4-ML)
Level 2 cache
SRAM
Pentium
processor
Video
capture
processor
PCI
connectors
82430TX
System
Controller
TV-out
device
ISA
connectors
82430TX
PCI/ISA/IDE
Xcelerator (PIIX4)
DIMM
sockets
Flash
memory
device
PC87307UL
I/O Controller
Video
m
e
m
ory
Graphics
cont
r
oller
IDE
connec
t
o
r
s
Figure 2.23
AN430TX board
2.5
Exercises
The following questions are multiple choice. Please select from a-d.
2.4.1
Which type of memory does not lose its contents when the power is withdrawn:
(a)
ROM
(b)
RAM
(c)
DRAM
(d)
SRAM
2.4.2
Which type of memory uses a single capacitor and a transistor to store a single bit
of data:
