ECS P5HX-A Manual de usuario

P5HX-A

User’s Manual 3-1

1 Introduction

Mainboard Description

Processor Expansion Slots

Chipset PS/2 Mouse & Keyboard Set

System BIOS Serial / Parallel Ports

L2 On-board Cache PCI IDE Connectors

L2 Cache Module FDD Connector

SIMM System Memory

Socket Power Supply Connectors

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User’s Manual 3-2

P5HX-A is a new generation ATX form factor Pentium PCI mainboard using Intel

430HX PCIset (TXC, PIIX 3) and SMC 37C669 I/O Chip. It delivers great

performance with industry standard EDO memory and PB SRAM cache with

concurrent PCI 2.1, APM, Plug & Play, PCI Bus Master IDE, and parity /

ECC……etc. P5HX-A is designed to run rich business applications.

1. Processor:

Intel Pentium75/90/100/120/133/150/166/200 MHz

Intel Pentium with MMX technology (P55C)

Cyrix 6x86 P120+/P133+/P150+/P166+

Cyrix 6x86 L

2. Chipset:

Intel 430HX 82439HX (TXC) / 82371AB (PIIX3)

SMC 37C669 (SUPER I/O)

3. System BIOS:

Award BIOS

4. L2 On-board Cache:

Provide Pipleined Burst SRAM 256/512 KB

On-board cache 256KB / 512KB

5. L2 Cache Module :

An optional ECS M161”or later version of upgrade cache module can be

inserted to expand the cache memory size to 256KB or 512KB.

An OASt 2.0”or later cache module can also be used to upgrade the cache

memory size.

6. SIMM System Memory Socket:

Support 72-pin SIMMs of 4MB, 8MB, 16MB ,32MB or 64MB to form a

memory size between 8MB to 256MB

7. Expansion Slot:

4 ISA Bus Slots.

4 PCI Bus Slots. (One ISA-PCI Shared Slot)

8. PS/2 Mouse & Keyboard Set:

Provide Connectors for PS/2 Keyboards & PS/2 Mouse.

9. Serial / Parallel Port:

Provide two serial port connectors and one parallel port connector.

10. PCI IDE Connector:

2 Enhanced PCI IDE up to 4 IDE Device Connectors.

11. FDD Connector:

Provide an on-board FDD Connector which supports

360KB/720KB/1.2MB/1.44MB/2.88MB type drives.

12. Power Supply Connectors:

P5HX-A

User’s Manual 3-3

Provide the connectors for standard PC power supply or ATX power supply.

P5HX-A

User’s Manual 3-4

Features

qCPU:

•One Socket 7 supports Pentium 75/90/100/120/133/150/166/200 MHz

CPU and Intel Pentium OverDrive CPUs.

•Manufacture optional 2nd Regulator to support Intel Pentium with MMX

technology.(P55C)

•Support Cyrix P120+/P133+/P150+/P166+ CPU.

•Support Cyrix 6x86 L.

qBIOS:

•Support Award BIOS with flash ROM.

ÄPNP specification V1.0a

ÄAPM specification V1.2

ÄDMI specification

ÄBoot from CD-ROM

qCache:

•Support the CPU internal first level (L1) cache and external

secondary level (L2) cache.

>16KB Level 1 Cache: (Pentium)

ÄData Cache: support 8KB Write-Through and Write-Back policy.

ÄCode Cache: support 8KB Write-Through policy.

>256KB /512KB (optional) Pipelined Burst SRAM On

Board.

>160-pin Cache Module Socket for Level 2:

ÄSupport COASt 2.0 or later Pipelined Burst for 256KB or 512KB.

ÄAn optional ECS “CM161 “or later version of upgrade cache

module can be inserted to expand the cache memory size to

256KB or 512KB.

qMemory:

•Support 4 pieces of 72-pin SIMM sockets with memory size from 8MB to

256MB.

P5HX-A

User’s Manual 3-5

•Support EDO/ Fast Page Mode DRAM.

•Support parity check or ECC function with parity SIMMs.

qSlots:

•Four 16-bit ISA slots with 100% ISA compatible function.

•Four 32-bit PCI slots support PCI Bus master.

ÄPCI specification version 2.1.

ÄCPU to PCI memory write posting with 4 word deep buffers.

ÄConverts Back-to-Back sequential CPU to PCI memory writes to PCI

Burst writes.

qFDD:

•Two floppy support 360KB, 720KB, 1.2MB, 1.44MB, 2.88MB, and 3

Mode floppy drives.

qRTC:

•Use Dallas 12B887 compatible RTC module (Internal 128 byte of CMOS

RAM).

qIDE:

•Build-in Intel 430HX PCIset chip 32-bit PCI IDE interface with 2 IDE

channels.

•Support PIO mode 4 or DMA mode 2 with transfer rate up to 22MB/sec.

qPower Management:

Use ATX power supply to support software power down function which is

following APM V1.2.Memory Configurations

This chapter contains the detailed memory configuration: System Memory and

Cache Memory.

P5HX-A

User’s Manual 3-6

The diagram above displays the location of SIMM Sockets, Pipelined Burst SRAM

and L2 Cache module on P5HX-A motherboard.

Cache Memory

System Memory

P5HX-A

User’s Manual 3-7

System Memory

The following table lists a number of possible DRAM combinations.

Bank 0 Bank 1 Total

SIMM1 SIMM2 SIMM3 SIMM4 Memory Size

4MB 4MB ----- ----- 8MB

8MB 8MB ----- ----- 16MB

16MB 16MB ----- ----- 32MB

32MB 32MB ----- ----- 64MB

64MB 64MB ----- ----- 128MB

4MB 4MB 4MB 4MB 16MB

4MB 4MB 8MB 8MB 24MB

4MB 4MB 16MB 16MB 40MB

4MB 4MB 32MB 32MB 72MB

4MB 4MB 64MB 64MB 136MB

8MB 8MB 8MB 8MB 32MB

8MB 8MB 16MB 16MB 48MB

8MB 8MB 32MB 32MB 80MB

8MB 8MB 64MB

64MB

144MB

Continued.....

SIMM:

P5HX-A provides tremendous flexibility DRAM configurations.

It accepts a maximum of 256MB memory size. The on-board

DRAM is installed with SIMM (Single-In-line-Memory Module).

There are two memory banks which support the

4M/8M/16M/32M/64M type, single and/or double-density

modules. The DRAM type of SIMM1 /SIMM2 is independent of

SIMM3/SIMM4.

The type of SIMM1 and SIMM2 must be same if they

exist at the same time.

P5HX-A

User’s Manual 3-8

Bank 0 Bank 1 Total

SIMM1 SIMM2 SIMM3 SIMM4 Memory Size

16MB 16MB 16MB 16MB 64MB

16MB 16MB 32MB 32MB 96MB

16MB 16MB 64MB

64MB

160MB

32MB 32MB 32MB 32MB 128MB

32MB 32MB 64MB

64MB

192MB

64MB

256MB

Table 1 -1. System Memory Configurations

: means the memory size is not available for testing now.

Cache Memory Subsystem

Level 1 Cache

16 KB Level 1 Cache that builds in Pentium CPU includes Data Cache and Code

Cache.

•1. Data Cache: supports 8KB Write-Through and Write-Back policy.

•2. Code Cache: supports 8KB Write-Through policy.

Level 2 Cache

L2 Cache On-board Cache Module Total Memory Size

0 KB 256KB 256KB

0 KB 512KB 512KB

256KB 256KB 512KB

512KB 0KB 512KB

1. If there is an n-board 256KB L2 Cache”in the motherboard, users may

either upgrade to 512KB by inserting an ECS M161”or COASt (2.0 or

later) upgrade cache module of 256KB.

2. If there is not any n-board 256KB L2 Cache”in the motherboard, users

may either upgrade to 256KB or 512KB by inserting an ECS M161”or

COASt (2.0 or later) upgrade cache module of 256KB or 512KB.

P5HX-A

User’s Manual 3-9

2 Jumpers and Connectors

Setting the Jumpers

Set bus frequency and CPU frequency

Core CPU

Freq. (MHz) Host

Clock (MHz) JP9 Clock

Multiplier JP7

JP8

75 50 short 1-2, 3-4 1.5 short 1-2 short 1-2

90 60 short 3-4 1.5 short 1-2 short 1-2

100 66 short 1-2 1.5 short 1-2 short 1-2

110 55 open 2short 1-2 short 2-3

120 60 short 3-4 2short 1-2 short 2-3

133 66 short 1-2 2short 1-2 short 2-3

150 60 short 3-4 2.5 short 2-3 short 2-3

166 66 short 1-2 2.5 short 2-3 short 2-3

200 66 short 1-2 3short 2-3 short 1-2

Table 2 -1. Host Clock, CPU type and Speed Settings

P: Cyrix 6x86 CPU does not have multiplier 1.5 and 2.5 . Leave JP7 open for

Cyrix 6x86 CPU.

Cyrix 6x86 CPU and AMD K5 CPU use P-rating as the CPU frequency.

Refer the following table to get the CPU core frequency. For AMD K5 CPU,

check your CPU vendor for detailed information.

Cyrix 6x86 Core CPU Frequency (MHz)

P120+ 100

P133+ 110

P150+ 120

P166+ 133

Set CPU Voltage Type

Single JP2, JP3 CPU Voltage JP1

P5HX-A

User’s Manual 3-10

Voltage CPU JP4, JP5

short 1-2

3.3V (STD)

(default) short 1-2

short 1-2

short 1-2 3.52V (VRE) short 3-4

Dual

Voltage CPU

JP2, JP3

JP4, JP5 CPU I/O

Voltage JP1 CPU core

Voltage JP17

(Split Power

Plane CPU) short 2-3

short 2-3 3.3V (STD) short 1-2 2.5V short 1-2

short 2-3

short 2-3 2.7V short 3-4

2.8V short 5-6

2.9V short 7-8

3.52V (VRE) short 3-4 2.5V short 1-2

2.7V short 3-4

2.8V short 5-6

2.9V short 7-8

Table 2 -2CPU Voltage Settings

P: If you have split power plane CPU ( There are different Voltage between

CPU Core and I/O ), Please check CPU vendor or us in order to decide

core voltage value of JP17.

Check your processor documentation for correct voltage setting to avoid

the damage of CPU.

Single Voltage CPU : Intel Pentium and OverDrive series, Cyrix 6x86,

AMD K5.

Dual Voltage CPU: Intel Pentium with MMX technology (P55C),

Cyrix 6x86 L, M2 dual voltage, AMD K5 dual voltage CPU.

Set Cache Memory Size

256KB

(256KB Cache Module only) JP15 open

256KB

(On-board 32Kx32 Burst SRAM only) JP15 short

512KB

(512KB Cache Module only) JP15 open

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