Rev.A Hardware Specifications 5-1
Developer's Guide SR-600
Confidential

Chapter 5

Hardware Specifications

Circuit Board Functions

Descriptions of the circuit board used in the SR-600 are listed below.
Motherboard
The circuit board unit that contains the basic functions for the PC.
This contains CPU, chip set, memory(DIMM), Super I/O, power supply unit (DC - DC
Converter) and so on.
Video board
This is connected to the motherboard and acts as a system relay on the LCD, and performs
LVDS conversion for the TFT. A single circuit board supports the TFT LCD panel and the
DSTN LCD panel.
PCI board
This connects to the PCI expansion board, and is connected to the motherboard.
Volumeboard circuit board
This consists of the keyboard I/F, reset switch of the SR-600, power switch and speaker
volume, and is connected to the motherboard with a cable.
I/O board
The circuit board that contains the interface connectors of the external I/O consists of three
serial ports, one parallelport, USB2 port and LAN1 port.
Drawer board/CRT board (Option)
The circuit board that adds 2 drawer ports and an external CRT1 port.