MSI MS-5148 Manual de usuario
CHAPTER 1 INTRODUCTION
1-1
Chapter 1
Introduction
The PCI 430 TX system board is a high-performance personal computer
system board based on a 3.3v version of the PentiumTM micrprocessor--the
P54C and P55C, K6 and M2 with MMX microprocessor. The system board
supports the Peripheral Component Interconnect (PCI) Local Bus Standard
and provide four 32-bit PCI bus master slots.
A cache subsystem can be configured for 256k or 512K cache memory to
improve overall throughput.
The system board uses the highly integrated Intel 82439TX chipset to
support the PCI/ISA and green standards, and to provide the Host/PCI
bridge. The 82437AB chipset also support the ACPI soft power off and
Modem Ring wake-up function, it also integrates all system control func-
tions.
CHAPTER 1 INTRODUCTION
1-2
1.1 System Board Features
CPU
lSocket 7 supports Intel PentiumTM family--P54CandP55C((MMX)
90MHz/100MHz/120Mhz/133MHz/150MHz/166MHz/200MHz/233MHz
lThe Cyrix 6x86/M2 and AMD K5/K6 are also supported.
Chip Set
lIntel 82430TX
Cache Memory
lSupports Directed Map Organization,Write-Back cache policy.
lSupports 256K pipelined burst cache memory or 512K pipelined burst
cachememory.
Main Memory
lSupports six memory banks using four 72-pin SIMM sockets and two 168-
pin DIMM sockets.
lUp to 256 Mbytes main memory.
lSupports EDO Hyper Page Mode DRAM , Standard Fast Page mode
DRAMandSDRAM.
Slots
lFour 32-bit Master PCI Bus slots and four 16-bit ISA bus slots. One
shared slot that can be used as ISA or PCI.
lSupport3.3VPCIAdd-OnCard.
On-Board Peripherals
lOn-BoardPeripheralsinclude:
- 1 floppy port supports 2FDD
-2serialports(COMA+COMB)
- 1 parallel port supports ECP or EPP mode
- 2 PCI Bus Master IDE ports (up to four IDE HDD)
- 2 Channel USB port
CHAPTER 1 INTRODUCTION
1-3
Dimensions
lStandard ATX form factor
l30cm(L)x18.6cm(W)x4layerPCB
Mounting
l6 mounting holes
CHAPTER 1 INTRODUCTION
1.3 System Board Layout
MS-5148
SIMM1
SIMM2
SIMM3
SIMM4
DIMM1
DIMM2
Socket 7
FDD
IDE1
IDE2
ISA SLOT 4
ISA SLOT 2
ISA SLOT 3
ISA SLOT 1
PCI SLOT 4
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
BIOS
BATT
+
2032
JPF
JGS
JGL
JP2
INTEL
FW82371AB
INTEL
FW82439TX
JBAT JRMS2
JFAN
ATX
POWER CONNECTOR
KBC
IR
JV1
LPT
COMA & COMB USB PS/2
JV3
JV4
JV5
SW
ON DIP
12
134
156
JV6
JRMS1
+
1-4
CHAPTER 2 HARDWARE INSTALLATION
CPU
CPU
OpenLever
Pin1
Sliding
Plate
White dot/
Cut edge
Close
Lever
Chapter 2
Hardware Installation
2.1 Central Processing Unit: CPU
The430 TX motherboard operates withIntel®P54C/P55C,Cyrix®6x86/
M2andAMD®5K86/K6processors. It could operates with 2.8V to 3.52V
processors. The motherboard provides a 321-pin ZIF Socket 7 for easy CPU
installation, a DIP switch (SW1) to set the proper speed for the CPU and a
Jumper block (JV3 - JV7) for setting the CPU voltage. The CPU should
always have a cooling fan attached to prevent overheating.
2-1
1. Pull the lever sideways away
from the socket then raise
the lever up to a 90-degree
angle.
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 CPU, match
Pin 1 with the white dot/cut
edge then insert the CPU. It
should insert easily.
2.1-1 CPU Installation Procedure
CHAPTER 2 HARDWARE INSTALLATION
1. The 3 CPU clock frequencies that the system supports are 55MHz, 60MHz,
66MHz and 75MHz (To adjust SW1 pin 4, 5, and 6 ). See the following
chart to set the different Host Clock Frequencies.
4 5 6 Clock
ON ON OFF 55MHz
ON OFF OFF 60MHz
OFF OFF OFF 66MHz
OFF ON OFF 75MHz
SW1 CPU
2. The DIP Switch SW1 (1,2, and 3) is used to set the Core/Bus (Fraction)
ratio of the CPU. The actual core speed of the CPU is the Host Clock
Frequency multiplied by the Core/Bus ratio. For example:
If CPUClock = 66MHz
Core/Bus ratio = 3/2
then CPU core speed = Host Clock xCore/Bus ratio
= 66MHzx3/2
= 100MHz
3. The PCI Bus Clock is the CPU Clock Frequency divided by 2.
2.1-2 CPU Core Speed Derivation Procedure
1 2 3 Core/BusRatio
OFF OFF OFF 1.5/3.5
ON OFF OFF 2
ON ON OFF 2.5/1.75
OFF ON OFF 3
SW1 CPU
2-2
CHAPTER 2 HARDWARE INSTALLATION
2.9
VcoreV I/O
3.38 3.38
3.52 3.52
3.3 2.8
3.3
3.3 3.2
JV3~JV7
2.1-3 CPU Voltage Setting: JV3 - JV7
The system board can autodetect whether the CPU is single or dual voltage.
To adjust the Jumper setting of the CPU’s Vcore, just look at table below and
set accordingly.
SIMM1
SIMM2
SIMM3
SIMM4
DIMM1
DIMM2
Socket 7
FDD
IDE1
IDE2
ISA SLOT 4
ISA SLOT 2
ISA SLOT 3
ISA SLOT 1
PCI SLOT 4
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
BIOS
BATT
+
2032
JPF
JGS
JGL
JP2
INTEL
FW82371AB
INTEL
FW82439TX
JBAT JRMS2
JFAN
ATX
POWER CONNECTOR
KBC
IR
JV1
LPT
COMA & COMB USB PS/2
JV3
JV4
JV5
SW
ON DIP
12
134
156
JV6
JRMS1
+
JV3
JV4
JV6
JV5
Vcore
V I/O JV3~JV7
Single Voltage Dual Voltage
2-3
JV3
JV4
JV6
JV5
JV3
JV4
JV6
JV5
JV3
JV4
JV6
JV5
JV3
JV4
JV6
JV5
JV3
JV4
JV6
JV5
CHAPTER 2 HARDWARE INSTALLATION
2.1-4 CPU Speed and Voltage Setting: SW1 & JV3-JV7
To adjust the speed and voltage of the CPU, you must know the specifica-
tion of your CPU (always ask the vendor for CPU specificaton) then look at
Table2.1 (Intel®P54C/P55C-MMX),Table 2.2(Cyrix®6x86/M2) and
Table2.3 (AMD®5K86/K6)forpropersetting.
SW1 1 2 3 4 5 6
ON ON
OFF
Speed Setting
2-4
SIMM1
SIMM2
SIMM3
SIMM4
DIMM1
DIMM2
Socket 7
FDD
IDE1
IDE2
ISA SLOT 4
ISA SLOT 2
ISA SLOT 3
ISA SLOT 1
PCI SLOT 4
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
BIOS
BATT
+
2032
JPF
JGS
JGL
JP2
INTEL
FW82371AB
INTEL
FW82439TX
JBAT JRMS2
JFAN
ATX
POWER CONNECTOR
KBC
IR
JV1
LPT
COMA & COMB USB PS/2
JV3
JV4
JV5
SW
ON DIP
12
134
156
JV6
JRMS1
+
JV3
JV4
JV6
JV5
CHAPTER 2 HARDWARE INSTALLATION
Table 2.1 Intel® P54C PENTIUM CPU
P54C-90
P54C-100
P54C-120
P54C-133
P54C-150
P54C-166
P54C-200
3.38
3.52
3.52
3.38
3.38
3.52
3.52
3.52
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
CPU Type CPU SpeedCPU Voltage
SW1VI/O Vcore
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
2-5
JV3
JV4
JV5
JV6
JV3
JV4
JV5
JV6
JV3
JV4
JV5
JV6
JV3
JV4
JV5
JV6
JV3~JV7
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
ON DIP
123 456
ON
OFF
P55C-166
P55C-200 3.3 2.8 JV3
JV4
JV5
JV6
P55C-233
Intel® P55C PENTIUM (MMX) CPU
Note: If you encounter a CPU with different Voltage, just go to page 2-3 and
look for the proper voltage settings.
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