Acer TravelMate 505, Service Manual, Page: 21 / 104

Chapter 1 15
Hardware Specifications and Configurations
System Board Major Chips
Item Controller
System Core Logic Intel 82440 MX (Banister)
Super I/O Controller ALI 5135B
Keyboard Controller Mitsubishi M38867 V JG TQ FP
Audio Controller Intel 82440 MX (Banister)
PCMCIA Controller O2 OZ6812
VGA Controller NeoMagic NM2160
Processor
Item Specification
CPU Type Intel Mobile
Celeron-400 MHz Processor Intel Mobile
Celeron-433 MHz
Processor Intel Mobile
Celeron-466 MHz
Processor
CPU Specification 1. Integrated primary L1 instruction and data cache
2. 128-Kbyte L2 cache integrated onto the processor die
3. Low power GTL+ system bus interface
CPU Package BGA package BGA package BGA package
CPU Core Voltage 1.6 V 1.9 V 1.9 V
CPU I/O Voltage 2.5 V 2.5 V 2.5 V
BIOS
Item Specification
BIOS vendor Acer
BIOS Version V3.0
BIOS ROM type Flash ROM
BIOS ROM size 256KB
BIOS package 32-pin TSOP
Supports protocol PCI 2.1, SMI & APM 1.2, DMI 2.00.1, E-IDE, ACPI, USB, ESCD 1.03,
ANSI ATA 3.0, PnP 1.0a, Bootable CD-ROM 1.0, ATAPI, ECP/EPP 1.7
& 1.9
BIOS password control Set by switch, see SW4 settings
Second-Level Cache
Item Specification
Cache controller Intel 82440 MX (Banister)
Cache size 128 KB (Celeron CPU type)
1st level cache control Always enabled
2nd level cache control Always enabled
Cache scheme control Fixed in write-back
505-1.book Page 15 Thursday, November 4, 1999 4:36 PM