Compaq iPAQ 1.0 User Manual

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.

Compaq iPAQ 1.0 Specifications

General

Brand	Compaq
Model	iPAQ 1.0
Category	Desktop
Language	English