Mother board, Mother board -7, Confidential – Epson SR-600 User Manual
Page 89: 3 block diagream of the mothreboard

Rev.A
Hardware Specifications 5-7
Developer's Guide SR-600
Confidential
Mother Board
5-3 Block diagream of the mothreboard
Socket 370
82443BX
North Bridge
168pin DIMM×2
82371EB
South Bridge
FDC37B80X
FDC37B80X
ISA Bus
PCI Bus
I2C-Bus
1Mbit
Flash
ROM
LM87
LM77
ICS9245-55
ICS9179-03
14.31818MHz
USB×2
Mouse/KB
FDD
Parallel
COM3A
Drawer/D-Sub Board
Speaker
To Multi Video
Board
(120pins)
Amp
LM4765
Driver/Receiver x 3
From MCR
From T/P
32.768KHz
FAN
Power SW
RESET SW
ATX POWER
20pin
DM-D
Volume
KeyBoard
IDE
44pin
Selector
Selector
RTL8139BL
E2PROM
FLASH ROM
COM2
COM1
To
PCI Slot Board
COM3B
To IDE-HDD
CD-ROM
CF
TRANSE
ST-6118T
TX/RX
25.000MHz
P/S Control
3pin
80pin
Power ON/OFF Signal
RESET Signal
15pin
Video Analog
40pin
8pin
RJ-45
To I/O Connector Board 80pin
25pin