FIC a440 Servicehandbuch

Hardware Functional Overview

FIC A440 Series Service Manual

4-1

Chapter

4.1

4.1 Overview

Overview

The FIC A440 Series consist of several major functions and subsystems (see Figure 4-1)
including:

• System Processor – implemented on the motherboard using Intel Pentium-III or

Mobile Celeron with Socket 370 FC-PGA packaging at 100MHz system bus speed.

• System North Bridge Core Logic – implemented on the motherboard using the VIA

ProMedia VT8601 chipset which integrates the following:

- Trident CyberBladei1 AGP 3D Graphics Accelerator
- Advanced System Memory Controller

• System South Bridge Core Logic – implemented on the motherboard using the VIA

VT82686A PCI-to-ISA chipset which integrates the following:

-  Enhanced IDE Interface for HDD, CD-ROM, and IDE Device Bay
-  SoundBlaster/DirectSound AC97 Digital Audio Controller
-  USB Interface for the external USB port
- Super

I/O

• Clock Frequency Generator – implemented on the motherboard using the ICWork

W156 clock generator chip.

• Cache Memory Subsystem – implemented on-die on the Intel Mobile CPU.
• Video Subsystem – integrated on the VIA VT8601 North Bridge chip using Trident

CyberBladei1 and on the LCD Panel for supporting the LCD and CRT.

• PCMCIA Subsystem – implemented on the motherboard using the Texas Instrument

(TI) 1225 PCMCIA controller chip.

• Audio Subsystem – integrated on the VIA South Bridge chip.
• Keyboard and Pointing Device Subsystem – implemented on the AIO board, the

Keyboard assembly, and the Glidepad assembly.

• I/O Subsystem – integrated on the VIA South Bridge chip.
• LAN and Modem Feature Card – implemented on the motherboard via the mini-PCI

bus module socket.

• Port Bar – implemented on the motherboard and the Port Bar assembly.
• Power Subsystem – implemented on the DC-DC board, LCD Inverter Board, Battery

Pack, and AC adapter.

• Micro-P Subsystem – implemented on the motherboard using PIC 16C62A.