Specifications

Rev. I Hardware Specifications 3-1
MR Series Technical Reference Manual
Chapter 3
Hardware Specifications
Hardware Block Diagram for IM-800
LPC
Super I/O
Winbond
W83627F
QFP-128
Floppy
FWH (BIOS)
Firmware Hub
512K Byte
49LF004
/ 82802AB
ICH2
(South Bridge)
FW82801BA
Parallel
ATA-33/66/100
Primar
y
IDE
Secondary IDE
COM1
COM2
Riser Board
I2C Bus
I2C Bus
1st IDE
2nd IDE
LPC Interface
FDD
LPT
Hub Link
Clock
Generator
ICS9248-9
6
CPU
Socket 370
HOST Bus
66/100/133 MHz
ATX 20 Pins
Power Connector
810E
GMCH
(North Bridge)
82810E
S-DRAM
PC100
DIMM 168
Pins X 2
VGA
CRT
USB Port 1
USB Port 0
USB
USB
CPU Fan
System Fan
COM 1
COM 2
PS-2 Mouse
PS-2 Keyboard
Keyboard
Mouse
PHY
82562ET
RJ-45
& LED
Beep
USB Port 3
USB Port 2
AC Link
MAC
RTC
Battery
PCI Bus PCI Bus
FWH
Speaker
SPKR
Main Board
ITE
PCI
Bridge
IT8872F
COM 4
+12V
+5V
Power Button
Power/HDD LED
BOX Header
Pin
Header
Riser Board Slot
Low Profile
PCI Slot
Standard
PCI Slot
COM 3
+12V
+5V
COM Board
CODEC
AD1887
MIC
L_Out
L_In
USB
USB
+12V
DC
Jack fo
r
LCD
Rear
Front
ATX Power
Supply Unit
HDD Power
FDD Power
CD Power
DC Jack Power
VRM 8.5
DC/DC
ISL6524
24V
Output