![Compaq iPAQ 1.0 Скачать руководство пользователя страница 39](http://html1.mh-extra.com/html/compaq/ipaq-1-0/ipaq-1-0_technical-reference-manual_2645784039.webp)
Technical Reference Guide
Compaq iPAQ Series of Desktop Personal Computers
Second Edition - February 2001
2-17
2.4.5 SUPPORT
COMPONENTS
Input/output functions not provided by the chipset are handled by other support components. Some
of these components also provide “housekeeping” and various other functions as well. Table 2-4
shows the functions provided by the support components.
Table 2-4.
Support Component Functions
Table 2-4.
Support Component Functions
Component Name
Function
Notes
LPC47B277 or LPC47B357
I/O Controller
Keyboard and pointing device I/F
Diskette I/F
Serial I/F
Parallel I/F
AGP, PCI reset generation
ISA serial IRQ converter
Power button logic
Slow speed detection
S3 regulator controller
GPIO ports
[1]
[2]
[1]
[1]
AD1881 or AD1885 Audio Codec
Audio mixer
Digital-to-analog converter
Analog-to-digital converter
Analog I/O:
Mic input
Line input
CD input
Line output
82559 Ethernet Controller [3]
Network interface controller
PHY interface
TUSB2046B USB Hub
4-port USB 1.1-compliant hub
NOTE:
[1] Legacy models only.
[2] Not available for actual use but may be enabled to satisfy OS requirements.
[3] iPAQ 1.0/1.2 systems only.
2.4.6 SYSTEM
MEMORY
These systems utilize non-ECC Synchronous DRAM (SDRAM) . Two 168-pin DIMM sockets are
provided and accessible once the right side cover has been removed. IPAQ 1.2 systems use
PC100-type DIMMs and iPAQ 2.0 systems use PC133 DIMMs. Up to 512 megabytes (with
current DIMM technology) maybe installed in each system.
Содержание iPAQ 1.0
Страница 4: ......
Страница 186: ...This page is intentionally blank...