MSI MS-6198 User manual

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Introduction
The MS-6198 Micro ATX VA3 mainboard is a high-performance
computer mainboard based on VIA® VT8 C694X chipset. The MS-6198 is
designed for the Intel® CeleronTM or Coppermine (FC-PGA) processor for
inexpensive business/personal desktop markets.
The Apollo Pro133A (VT8 C694X) is a Socket-370 system logic north
bridge with the addition of 133 MHz capability for both the CPU and
SDRAM interfaces. Apollo Pro133A may be used to implement both desktop
and notebook personal computer systems from 66MHz to 133MHz based on
Socket-370 (Intel Celeron processors). The primary features of the Apollo
Pro133A-North Bridge are: Slot-1 or Socket-370 CPU (Front Side Bus)
Interface (66 / 100 / 133MHz), SDRAM Memory Interface (66 / 100 /133MHz),
AGP Bus Interface (66MHz), PCI Bus Interface (33MHz), Mobile Power
Management.
The VT8 C686A PSIPC (PCI Super-I/O Integrated Peripheral
Controller) is a high integration, high performance, power-efficient, and high
compatibility device that supports Intel and non-Intel based processor to
PCI bus bridge functionality to make a complete Microsoft PC99-compliant

Chapter 1 contains the following topics:
Mainboard Specifications 1-
Mainboard Layout 1-4
Special Features 1-5

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Mainboard Specifications
CPU
!Socket 370 for Intel® CeleronTM/CoppermineTM processor.
!Supports 33MHz, 66MHz, 300MHz, 333MHz, 350MHz, 400MHz,
450MHz, 500MHZ, 533MHz., 550MHz, 667MHz or faster processor.
Chipset
!VIA® 694X chipset. (510 BGA)
- FSB @133MHz
- AGP 4x and PCI plus Advanced ECC Memory Controller
- Support PC100/133 SDRAM technology
!VIA® VT8 C686A chipset. (35 BGA)
- Advanced Power Management Features
- Integrated Super I/O (FDC, LPT, COM 1/ , and IR)
- DirectSound AC97 Audio
- Dual bus Master IDE Ultra DMA33/66
- ACPI
Clock Generator
!66.6/100/133MHz clocks are supported.
Main Memory
!Support four memory banks using two 168-pin unbuffered DIMM.
!Support a maximum memory size of 1GB.
!Support ECC(1-bit Error Code Correct) function.
!Support 3.3v SDRAM DIMM.
Slots
!One AGP(Accelerated Graphics Port) slot.
- AGP specification compliant
- AGP 66/133/ 66MHz 3.3v/1.5v device support
! Three 3 -bit Master PCI Bus slots and one 16-bit ISA slot (wherein one
shared slot can be used as PCI or ISA).
!Supports 3.3v/5v PCI bus Interface.

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On-Board I E
!An IDE controller on the VIA® VT8 C686A Chipset provides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA 33/66 operation modes.
! Can connect up to four IDE devices.
On-Board Peripherals
!On-Board Peripherals include:
- 1 floppy port supports FDD with 360K, 7 0K, 1. M, 1.44M and
.88Mbytes.
- serial ports (COMA + COMB)
- 1 parallel port supports SPP/EPP/ECP mode
- USB ports (reserved USB Front Pin Header)
- 1 IrDA/HP connector for SIR.
Audio
!Chip Integrated
!Direct Sound AC97 Audio
BIOS
!The mainboard BIOS provides Plug & Play BIOS which detects the
peripheral devices and expansion cards of the board automatically.
!The mainboard provides a Desktop Management Interface(DMI) function
which records your mainboard specifications.
imension
!Micro-ATX Form Factor: 4.4cm (L) x 1cm (W)
Mounting
!6 mounting holes.

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Mainboard Layout
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
AT X
Power Supply
VIA
694X
chipset
DIMM 2
Top: mouse
Bottom:
keyboard
Top: Port 1
USB
IDE2
Bottom:
Port
IDE1
.,,
VT8 C686B
JMDM1
JBAT1
JWOL1
JCD1
JAUX1
CPUFAN
SYSFAN
Top: LPT
Bottom:
COM A/
COM B
Top: Midi/
Game Port
Bottom:
Audio Port
JPHONE
J1
BIOS
AGP Slot
BATT
USB1
DIMM 1
ISA SLOT
JFP1
JGS1
J
JP1
SW1
Socket 370
MS-6198 Micro ATX Mainboard

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Special Features
!Microsoft® PC98/PC99 Compliant
!Micro ATX Form Factor
!Support Accelerated Graphic Port (AGP) Add-In Card
!Support Intel® Celeron/Coppermine processors at 66MHz and
100MHz, 133MHz System Bus Frequencies
!Chip Integrated Audio
!PC Alert System Hardware Monitor
!Support DMI (Desktop Management Interface) through BIOS
!TCAV (Build-in BIOS Anti-Virus)
!TOP Tech. (Thermal Overheat Protection Technology)
!LAN Wake Up Function
!Modem (Internal/External) Ring Wake Up Function
!Suspend to DRAM
!Support PCI .

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Hardware Installation
This chapter provides you with the information about hardware setup
procedures. During installation, be careful when handling the components
and follow the installation procedures properly. For some components,
installing it in a wrong orientation will cause it to become unstable.
Remember to use a grounded wrist strap before handling computer
components. Static electricity may damage the components.
Central Processing nit (CP ) 2-2
Memory Installation 2-5
Back Panel 2-8
Connectors 2-13
Power Supply 2-21
Jumpers 2-22
Slots 2-25
Chapter 2 contains the following topics:

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3. Press the lever down to
complete the installation.
2. Locate Pin 1 in the socket
and look for the white dot or
cut edge in the CP . Match
Pin 1 with the white dot/cut
edge. Then, insert the CP .
It should insert easily.
1. Pull the lever sideways away
from the socket. Then, raise
the lever up to a 90-degree
angle.
••
••
• CPU Installation Procedures
+27
+27
Open Lever
Pin 1
Sliding
Plate
White dot/
Cut edge
Close
Lever
Pin 1
Central Processing Unit: CPU
The mainboard operates with Intel® CeleronTM/Coppermine
processor. The mainboard uses a CP socket called Socket 370 for easy
CP installation. The CP should always have a Heat Sink and a cooling
fan attached to prevent overheating.

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• CPU Speed Setting: SW1
To set the proper speed and voltage of the CP , you must know the
specifications of your CP (always ask your reseller for CPU
specifications).
SW1
ONOFF
14 32
ECE ON

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• CPU Core Speed Derivation Procedure
If the CP Core/Bus ratio is already fixed, adjusting the SW1 will not
change the CP Core/Bus ratio. If the Core/Bus ratio is not fixed by
the CP , then you can adjust the SWI to change the Core/Bus ratio.
If CP Clock = 66MHz
Core/Bus ratio = 3.5
then CP core speed = Host Clock x Core/Bus ratio
= 66MHz x 3.5
= 233MHz
4 3 2 1 Core/Bus Ratio
ON ON OFF ON 3
ON OFF OFF ON 3.5
ON ON ON OFF 4
ON OFF ON OFF 4.5
ON ON OFF OFF 5
ON OFF OFF OFF 5.5
OFF ON ON ON 6
OFF OFF ON ON 6.5
OFF ON OFF ON 7
OFF OFF OFF ON 7.5
OFF ON ON OFF 8
SW1 CPU

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Memory Installation
••
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• Memory Bank Configuration
The mainboard supports a maximum memory size of 1GB (256-bit
technology) for SDRAM: It provides two 168-pin unbuffered DIMMs
(Double In-Line Memory Module) sockets. It supports 8 MB to 512
Mbytes DIMM memory module.
DIMM1
DIMM2
••
••
• Memory Population ules
1. Supports only SDRAM DIMM.
2. To operate properly, at least one 168-pin DIMM module must be
installed.
3. This mainboard supports Table Free memory, so memory can be
installed on DIMM1 or DIMM 2 in any order.
4. Supports 3.3 volt DIMM.