IBASE Technology MB770 User manual

MB770
VIA CN700
Mini ITX Motherboard
USER’S MANUAL
Version 1.0

ii MB770 User’s Manual
Acknowledgments
Award is a registered trademark of Award Software International,
Inc.
PS/2 is a trademark of International Business Machines
Corporation.
Microsoft Windows is a registered trademark of Microsoft
Corporation.
Winbond is a registered trademark of Winbond Electronics
Corporation.
All other product names or trademarks are properties of their
respective owners.

MB770 User’s Manual iii
Table of Contents
Introduction.......................................................1
Product Description.............................................................1
Checklist..............................................................................2
Specifications......................................................................3
Board Dimensions...............................................................4
Installations.......................................................5
Installing the Memory.........................................................6
Setting the Jumpers .............................................................7
Connectors on MB770 ......................................................11
Watchdog Timer Configuration........................................23
Digital I/O Sample Code...................................................26
BIOS Setup.......................................................29
Drivers Installation......................................52
VIA CN700 4 in 1 Driver Installation...............................53
Realtek AC’97 Codec Audio Driver Installation..............56
VIA VT8237 LAN Driver Installation..............................57
Realtek Gigabit LAN Driver Installation..........................57
VIA RAID Driver Installation...........................................58
VIA USB 2.0 Driver Installation.......................................60
VIA CN700 VGA Driver Installation...............................61
Appendix...........................................................62
A. I/O Port Address Map...................................................62
B. Interrupt Request Lines (IRQ)......................................63

iv MB770 User’s Manual
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INTRODUCTION
MB770 User’s Manual 1
Introduction
Product Description
The MB770 Mini ITX board incorporates the VIA CN700 chipset.
Currently, the board is available in two models, namely:
1. MB770 - VIA Eden-V4 400MHz, CN700 chipset, Mini-ITX w/
10/100 LAN, VGA, Mini PCI, SATA
2. MB770F -VIA Eden-V4 1GHz, CN700 chipset, Mini-ITX w/ 10/100
LAN, Gigabit LAN, VGA, Mini PCI, SATA, TV out
Optional for the MB770/MB770F is the ID393 daughter card that
supports DVI interface.
Basically, the MB770 has the following features:
•VIA CN700 Chipset with VIA CPU
•Up to 1GHz speed and 1GB DDR memory
•Integrated VGA, support 18/24-bit LVDS LCD
•10/100 LAN1 on board, optional Gigabit LAN for LAN2
•6 x USB, 2 x SATA ports
•4 COM ports, Watchdog timer
•PCI and Mini PCI slots on board, optional TV out
Remarks: The onboard PCI slot support 2 masters.

INTRODUCTION
2MB770 User’s Manual
Checklist
Your MB770 package should include the items listed below.
•The MB770 VIA Eden-V4 Mini-ITX motherboard
•This User’s Manual
•1 CD containing chipset drivers and flash memory utility
•Cable kit (IDE, Serial port, Serial ATA)
Optional daughter cards: ID393: VIA VT1632A, single DVI

INTRODUCTION
MB770 User’s Manual 3
Specifications
Product Name MB770
Form Factor Mini ITX
CPU Type VIA C7 or Eden-V4 NanoBGA2 (21x21mm) package
Eden-V4: 1.0~1.2GHz (heatsink only for fanless)
C7: 1.5~2.0GHz (heatsink w/ fan)
CPU Voltage 1.004V ~ 1.148V
CPU FSB 400MHz/533MHz
Cache 128KB L2 (CPU integrated)
Green / APM APM1.2
Chipset VIA CN700/8237R+ chipset
North bridge: CN700 567-pin HSBGA
South bridge: VT8237R+ 539-pin PBGA
BIOS Award BIOS supports ACPI function
Memory One DDR2 DIMM socket, supports up to 1GB
VGA VIA CN700 built-in 128-bit Unichrome Pro 3D/2D controller
DVI ID393: VIA VT1632A for DVI with DVI edge connector (just locates
above the dual USB stack)
LVDS VIA VT1631L for 18 or 24 dual channel LVDS
LAN LAN1: VIA 8237R+ built-in 10/100 + VIA VT6103 PHY
LAN2: / RTL8110S-32 Gigabit LAN (option on MB770F)
USB VIA VT8237R+ built-in USB 2.0, supports 6 ports
Serial ATA VIA VT8237R+ built-in SATA controller, supports 2 ports w/ RAID 0,
1, (VT8237R+ supports SATA II)
IDE Interface Two channels; supports Ultra DMA 33/66/100/133
A
udio VIA VT8237R+ built-in Audio controller + AC97 Codec ALC 655; 5.1
Channel (Line-out, Line-in & Mic.)
LPC I/O Winbond W83697HF: COM1, COM2 (RS-232), IrDA, Floppy &
hardware monitor (2 thermal inputs, 5 voltage monitor inputs, 1
chassis open detection & 2 fan headers). Parallel port not used
Secondary I/O Fintek F81216D for COM3, 4 (RS-232)
RTC/CMOS VIA VT8237R+ built-in RTC with on board Lithium Battery
KB/Mouse Supports PS/2 Keyboard/Mouse
Expansion Slot PCI slot x 1 (supports 2 bus masters) and Mini-PCI x 1
Edge
Connectors PS/2 KB & MS, RCA Jack + S-Video connector, DVI, VGA, COM1,
RJ45, dual USB, optional 2nd RJ45 for MB770F, dual USB for
USB3/4, Audio connectors (Speaker, Line In, Mic)
On Board
Connector /
Header
2 Serial ATA connectors, IDE1 40-pin box-header, IDE2 44-pin
header, 2 LVDS DF13 20-pin header, COM2/3/4 30-pin header,
Audio 12-pin header, USB5/6 8-pin header, slim type FDD header,
IrDA 5-pin header, System function 20-pin header
Power
Connector ATX power connector
Watchdog
Timer Yes (256 segments: 0, 1, 2,..., 255 sec/min)
Board Size 170mm x 170mm

INTRODUCTION
4MB770 User’s Manual
Board Dimensions

INSTALLATIONS
MB770 User’s Manual 5
Installations
This section provides information on how to use the jumpers and
connectors on the MB770 in order to set up a workable system. The
topics covered are:
Installing the Memory.................................................................. 6
Setting the Jumpers...................................................................... 7
Connectors on MB770............................................................... 11
Watchdog Timer Configuration................................................. 23
Digital I/O Sample Code............................................................ 26

INSTALLATIONS
6MB770 User’s Manual
Installing the Memory
The MB770 board supports one DDR2 memory socket for a maximum
total memory of 1GB in DDR2 memory type.
Installing and Removing Memory Modules
To install the DDR2 modules, locate the memory slot on the board and
perform the following steps:
1. Hold the DDR2 module so that the key of the DDR2 module align
with those on the memory slot.
2. Gently push the DDR2 module in an upright position until the clips of
the slot close to hold the DDR2 module in place when the DDR2
module touches the bottom of the slot.
3. To remove the DDR2 module, press the clips with both hands.
DDR2 Module
Lock Lock
Lock Lock