Toshiba Portege A600 Maintenance Manual page 23

1.2 System Unit Block Diagram
The system unit is composed of the following major components:
Microprocessor
The Toshiba PORTEGE A600 computer is equipped with an Intel
ULV Processor. These processors incorporate a math co-processor, a 3MB L2 cache
memory.
The PC comes in with one of the following speeds:
Intel® CoreTM 2 Duo ULV Processor (Penryn ULV)
•
SU9400 (1.40GHz)
•
SU9300 (1.20GHz)
These processors operate at 800MHz bus clock (FSB).
Memory
One DDR2-667/DDR2-800 SDRAM slots. Memory modules can be installed to
provide a maximum of 5GB (on board memory 1GB). Memory modules are available
in 512MB, 1024MB, 2048MB and 4096MB sizes.
•
- 200-pin small-size DIMM
•
- 1.8V operation
•
- DDR2-667/800 support
BIOS ROM (Flash memory)
•
- 8Mbit (512K×16-bit chip)
•
301KB used for Animation
•
288KB used for system BIOS
•
64KB used for VGA-BIOS
•
64KB used for Finger Print
•
32KB used for ACPI
•
24KB used for booting
•
16KB used for Parameter Block
•
Others
PORTEGE A600 Maintenance Manual (960-710 [CONFIDENTIAL]
1 Hardware Overview
® TM
Core 2 Duo
1-9