beautypg.com

Bios rom, Video subsystem, I/o subsystem – FIC A360 User Manual

Page 164: Keyboard subsystem

background image

Notebook Specification

BIOS ROM

ROM Type

512K x 8 CMOS Flash Memory –28SF040A-90/120

(SST)

ROM Size

4M-bit

Boot Code Sector

Top Sector

Package

PLCC 32-lead

Erase / Program

• 8 second typical chip erase
• 3.6 second chip program
• 10,000 erase/program cycles minimum

Program Voltage

5V

Supply Current

• Icc Typ. = 20mA (active read)
• Icc Typ. = 30mA (active program)
• Iccsb Max = 50uA (standby)

VIDEO SUBSYSTEM

Video Chipset

S3 Savage 4 (Integrated in Twister) with AGP 4 x SMA

Video RAM

16MB SDRAM

(Using system memory, SMA) (Twister spec is 2/32 MB)

Bus Interface

32-bit PCI Local Bus

Addressing

Linear Addressing

Simul Scan

Yes

Maximum Resolution at CRT

1280 x 1024 at 32-bit color (16 million colors)

Maximum Color at CRT

32-bit color (16 million colors)

External CRT connector

15-pin D-Sub female

I/O SUBSYSTEM

I/O Controller Chip

Integrated in South Bridge

Parallel / Printer Port (LPT1)

25-pin D-sub female connector (with EPP/ECP support)

Serial / COM Port (COM1)

• Type: 9-pin D-sub male RS-232 connector
• Baud Rate: 300 – 38400 bps (UART 16C550)
• Drivers / Receiver: Maxim MAX3243 (SSOP, 28-pin)

KEYBOARD SUBSYSTEM

Keyboard Controller

Mitsubishi M38867

Package

QFP 80-Pin

Host Interface

8042-style host interface

Keyboard Scan

Local 16 x 8 keyboard switch matrix

External PS/2 Keyboard

Mini-DIN PS/2 connector


A-2

FIC A360 Service Manual