Toshiba Satellite A660 Series Maintenance Manual

4 Replacement Procedures 4.1 General
Satellite A660/A665/A660D Maintenance Manual 4-8
Colors of Screw Shanks
For easy identification of the correct screws, the screw shanks are colored according to their
lengths, as follows:
 Screws of an odd-numbered length Blue
 Screws of a special length Black
Screws of a special length are those of a length having decimal places (i.e. 16mm).
Symbols of Screws on the Laptop Body
For easy maintenance, the screw types are shown on the laptop body as symbols. A symbol
consists of a letter representing the screw type and a numeral representing the screw length.
 Screw type Letter
 Bind screw B (stands for bind)
 Flat-head screw F (stands for flat-head)
 Super flat-head screw S (stands for super flat-head)
 Tapping screw T (stands for tapping)
 Other screws U (stands for unique-pan head screws, studs, etc.)
Symbol examples
 6 mm bind screw B6
 12 mm bind screw B12
 5 mm stud U5
(The numeral represents the rounded length of the threaded portion regardless of the
entire stud length.)

Toshiba Satellite A660 Series Specifications

General

Optical Drive	DVD SuperMulti Drive
Wireless	Wi-Fi 802.11b/g/n
HDMI	Yes
Battery	6-cell Lithium-ion
Processor	Intel Core i5
RAM	4GB or 8GB DDR3
Storage	Up to 640GB HDD
Graphics	NVIDIA GeForce GT 330M
Operating System	Windows 7 Home Premium or Professional
Webcam	Yes, with built-in microphone
Audio	Stereo speakers, Dolby Advanced Audio
LAN	10/100 Ethernet
Card Reader	Multi-Card Reader
USB Ports	3 x USB 2.0
Ports	Microphone input, Headphone output