System Introduction
1-11
1.4.5 Processor
Table 1-7
Processor Specifications
Item
Specification
CPU type
P55C-133/150/166
CPU package
TCP
Switchable processor speed (Y/N)
Yes
Minimum working speed
0MHz
CPU core voltage
2.0V/2.45V/1.8V
CPU I/O voltage
2.5V/3.3V/2.5V
1.4.6 BIOS
Table 1-8
BIOS Specifications
Item
Specification
BIOS vendor
Acer
BIOS version
V3.0
BIOS in flash EPROM (Y/N)
Yes
BIOS ROM size
256KB
BIOS package type
32-pin PLCC
Same BIOS for STN color/TFT color (Y/N)
Yes
The BIOS can be overwritten/upgradeable using the “AFLASH” utility
(AFLASH.EXE). Please refer to software specification section for details.
1.4.7 System Memory
Memory is upgradeable from 8 to 64 MB, employing 8-/16-/32-/64-MB
2
64-bit soDIMMs (Small
Outline Dual Inline Memory Modules). After installing the memory modules, the system
automatically detects and reconfigures the total memory size during the POST routines. The
following lists important memory specifications.
•
Memory bus width: 64-bit
•
Expansion RAM module type:144-pin, 64-bit, small outline Dual Inline Memory Module
(soDIMM)
•
Expansion RAM module size/configuration:
•
8MB (1M*16x4)
2
You can upgrade memory using 32-MB soDIMMs when these become available. Consult your dealer.
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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