Toshiba A1 Personal Computer User Manual


 
1 Hardware Overview 1.2 System Block Diagram
The PC contains the following components.
CPU
Intel
®
Mobile Pentium
®
4-M model
1.80/1.90/2.00/2.20GHz (Internal clock: 1.80/1.90/2.00/2.20GHz, Bus:
400MHz, Core voltage: 1.30/1.20V, Built-in NDP)
Internal cache memory: 12KB (in CPU)
Secondary cache memory: 512KB (in CPU)
Intel Mobile Celeron model
1.80/2.00/2.20GHz (Internal clock: 1.80/2.00/2.20GHz, Bus: 400MHz, Core
voltage: 1.30V, Built-in NDP)
Internal cache memory: 12KB (in CPU)
Secondary cache memory: 256KB (in CPU)
Memory
Two memory slots capable of accepting 128MB, 256MB or 512MB memory modules
for a maximum of 1GB.
200-pin DDR-SDRAM (PC2100)
Pipeline configuration
3.3V operation
Support PC133
BIOS ROM
8Mbit (Flash memory)
64KB used for logo
32KB used for setup and checksum
128KB used for system BIOS
64KB used for VGA-BIOS
64KB used for ACPI
8KB used for PnP
8KB used for password security
16KB used for booting
128KB are reserved
5.0V operation
Access time : 120 ns or 90 ns
Data transfer: 8-bit
1-6 Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)