EPOX P2-112A Manuel utilisateur

TRADEMARK

All products and company names are trademarks or

registered trademarks of their respective holders.

These specifications are subject to change without

notice.

Manual Revision 3.2

SEP 30, 1998

P2-112AP2-112A

P2-112A

A PentiumA Pentium

A Pentium®®

®®

®II or DeschutesII or Deschutes

II or DeschutesII or Deschutes

II or Deschutes

Slot1 Processor based AGPSlot1 Processor based AGP

Slot1 Processor based AGP

motherboard (100/66MHz)

FeaturesP2-112A

Page 1

FEATURES

P2-112A Features:

•P2-112A is based on the Pentium®II or Deschutes Processor operating

at 233 ~ 333MHz (66MHz) or 300 ~ 550MHz (100MHz) on Slot 1. The board

is configured by ESDJ to match your CPU clock speed.

•Designed with VIA APOLLO PRO AGPset.

•Supports up to 384 Mega of DRAM (minimum of 16 MB) on board, You can

use 168-pin DIMM x 3. It will automatically detect Extended Data Output

(EDO) DRAM at 66MHz only or Synchronous DRAM memory (SDRAM) at

66MHz or 100MHz (please see Section 3-2).

•P2-112A will support Error Checking and Correcting (ECC) when using

paritys DRAM memory modules. This will detect multiple bit errors and

correct 1-bit memory errors.

•Supports (2) 16 bit ISA slots, (5) 32 bit PCI slots, (1) AGP slot and provides

(2) independent high performance PCI IDE interfaces capable of supporting

PIO Mode 3/4 and Ultra DMA 33 devices. The P2-112A supports (2)

PCI Bus Master slots and a jumperless PCI INT# control scheme which

reduces configuration confusion when plugging in PCI card(s).

•Supports ATAPI (e.g. CD-ROM) devices on both Primary and Secondary IDE

interfaces.

•Designed with Winbond W83877TF Multi I/O: (1) floppy port, (1) parallel port

(EPP, ECP), and (2) serial ports (16550 Fast UART).

Note: Japanese “Floppy 3 mode” is also supported

•Includes a PS/2 mouse connector.

•Allows use of a PS/2 keyboard.

•Features Award Plug & Play BIOS. With Flash Memory you can always

upgrade to the current BIOS as they are released. (http://www.2themax.com

please visit our Technical Support section for the latest updates)

FeaturesP2-112A

Page 2

•P2-112A utilizes a Lithium battery which provides environmental protection and

longer battery life.

•Supports the Universal Serial Bus (USB) connector. The onboard VT82C596

chip provides the means for connecting PC peripherals such as; keyboards,

joysticks, telephones, and modems.

•Built-in ATX 20-pin power supply connector.

•Software power-down when using Windows®95/98.

•Supports ring-in feature (remote power-on through external modem,

allows system to be turned on remotely.

•Resume by Alarm - Allows your system to turn on at a preselected time.

•Supports CPU Hardware sleep and SMM (System Management Mode).

•Supports Keyboard power ON function (KBPO).

•Supports USDM software to offer motherboard various status.

•Supports the CPU, PWR and Chassis fan Auto stop in sleep mode.

•Built-in WOL (Wake On LAN) Connector.

• Built-in SB-LINK Header for Creative Blaster®AWE64D PCI Bus Sound

Card.

Installation P2-112A

Page 3

Figure 1

P2-112A Detailed Layout

AGP SLOT

PCI Slot #1

PCI Slot #2

ISA Slot #1

ISA Slot #2

Battery

ATX Power Input

Winbond

83877

I/Oset

USB 1

(Top)

Mouse

(Top)

USB 0

(Bottom)

Keyboard

(Bottom)

IDE2

Secondary IDE

IDE1

FDD1

CPU Cartridge SLOT 1

J7:WOL

DIMM 2

DIMM 1 Bank 0

Bank 1

DIMM 3 Bank 2

Flash Memory

for BIOS

CPU FAN

J4 J5

PCI Slot #3

PCI Slot #4

PCI Slot #5

RESET

SPK

KEYLOCK

POWER_ON

IR CONN.

COM 1COM 2COM 2

USB

PS/2

Multiplier X Bu s CLOCK

JP3

103MHz

100MHz

83MHz

75MHz

66MHz

AUTO

5.5X

4.5X

3.5X

2 1

26 25

112MHz

Parallel Port

SB_Link

CHASSIS FAN

POWER

FAN

JP4

JP5

JP1

InstallationP2-112A

Page 4

Easy Installation Procedure

The following must be completed before powering on your new system:

Configure Jumpers to match your hardware

Install memory chips

Device Connectors

Configure DIP Switch

P2-112A designs this motherboard with an ESDJ to make your installation fast and

easier.

The following will describe all of the ESDJ that you are required to set before moving

on to step 3-2.

Note: The ESDJ as depicted as shown (Figure 1) in their correct physical

orientation.

JP1 Clear CMOS

1-2 : Run Mode (default)

2-3 : Clear CMOS

JP4 Keyboard Power on Selection

1-2 : Disabled (default)

2-3 : Enabled

Installation P2-112A

Page 5

System Memory Configuration

Memory Layout

The P2-112A supports (3) 168-pin DIMMs (Dual In-line Memory Module). The

DIMMs can be either EDO (Enhanced Data Out) or SDRAM (Synchronized

DRAM).

• DIMM SDRAM may be 83MHz (12ns), 100MHz (10ns) or

120MHz (8ns) bus speed.

• When using Synchronous DRAM we recommend using the

4 clock variety over the 2 clock.

Figure 2 and Table 1 show several possible memory configurations using both

SDRAM and EDO memory.

DIMM 1

DIMM 2

Bank 0

Bank 1

DIMM 3

Bank 2

JP5 SDRAM CLOCK Selection

1-2 : SDRAM=CPU (Default)

2-3 : SDRAM=AGP (2/3 CPU CLOCK)

InstallationP2-112A

Page 6

yromeMlatoT 1MMID )0knaB( 2MMID )1knaB( 3MMID )2knaB(

BM821= mumixaM

*MARDS/ODE ,BM23,BM61,BM8 1XBM821,BM46 enoNenoN

BM652= mumixaM

*MARDS/ODE ,BM23,BM61,BM8 1XBM821,BM46

*MARDS/ODE ,BM23,BM61,BM8 1XBM821,BM46 enoN

BM483= mumixaM

*MARDS/ODE ,BM23,BM61,BM8 1XBM821,BM46

InstallationP2-112A

Page 7

Device Connectors

Please install the motherboard into the chassis.

Now that your motherboard is installed you are ready to connect all your connections

(figure 12).

J2:Keylock, Speaker, Reset

J3:IR Conn. TB-LED, HDD-LED, POWER_ON

J4:CPU Fan Power

• A plug-in for the CPU Fan Power

J5:POWER Supply FAN POWER

• A plug-in for Power Supply Fan

J6:Chassis Fan Power

• A Plug-in for the chassis Fan Power

J7:WOL (Wake on LAN) Connector

J8: SB_Link Header

IDE1: Primary IDE

IDE2: Secondary IDE

FDD1: FloppyController

Figure 12

USB 1

(Top)

USB 0

(Bottom)

PS/2 Mouse

(Top)

PS/2 Keyboard

(Bottom)

Parallel Port

(Top)

Com1 Com2

(Bottom Left) (Bottom Right)

12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345

InstallationP2-112A

Page 8

Power On/Off - This is connected to the power button on the case.

Using the Soft-Off by Pwr-BTTN feature, you can choose either

Instant Off (turns system off immediately), or 4 sec delay (you need to

hold the button down for 4 seconds before the system turns off). When

the system is in 4 sec delay mode, P2-112A has added a special feature

to make the system go into suspend mode when the button is pressed

momentarily.

Device Connectors (continued)

Speaker - Connect to the system's speaker for beeping

1. Speaker 3. GND

2. N/C 4. GND

Reset - Closed to restart system.

Turbo LED indicator - LED ON when higher speed is selected

IR Connector

1. VCC 4. GND

2. NC 5. IRTX

3. IRRX

IDE LED indicator - LED ON when Onboard PCI IDE Hard disks is

activate

KeyLock - Keyboard lock switch & Power LED connector

1. Power LED(+) 4. Keylock

2. N/C 5. GND

3. GND

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