User manual ASROCK P4I48

[. . . ] P4i48 User Manual Version 1. 0 Published February 2004 Copyright©2004 ASRock INC. All rights reserved. 1 Copyright Notice: No part of this manual may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc. Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners' benefit, without intent to infringe. Disclaimer: Specifications and information contained in this manual are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this manual. [. . . ] 19) 1 USB_PWR P-6 P+6 GND DUMMY GND P+7 P-7 USB_PWR Shared USB 2. 0 Header (9-pin USB4_5) (see p. 8 No. 28) 1 USB_PWR P-4 P+4 GND USB_PWR P-5 P+5 GND DUMMY Infrared Module Header (5-pin IR1) (see p. 8 No. 18) 1 IRTX +5V DUMMY GND IRRX Internal Audio Connectors (4-pin CD1, 4-pin AUX1) (CD1: see p. 8 No. 26) AUX-L GND GND AUX-R CD-L GND GND CD-R AUX1 CD1 Front Panel Audio Header (9-pin AUDIO1) (see p. 8 No. 25) 1 GND +5VA BACKOUT-R BACKOUT-L AUD-OUT-L GND AUD-OUT-R MIC-POWER MIC 16 System Panel Header (9-pin PANEL1) (see p. 8 No. 17) 1 PLED+ PLEDPWRBTN# GND This header accommodates several system front panel functions. DUMMY RESET# GND HDLEDHDLED+ Chassis Speaker Header (4-pin SPEAKER 1) (see p. 8 No. 16) 1 SPEAKER DUMMY DUMMY +5V Please connect the chassis speaker to this header. Chassis Fan Connector (3-pin CHA_FAN1) (see p. 8 No. 11) GND +12V CHA_FAN_SPEED Please connect a chassis fan cable to this connector and match the black wire to the ground pin. Please connect a CPU fan cable to this connector and match the black wire to the ground pin. Please connect an ATX power supply to this connector. CPU Fan Connector (3-pin CPU_FAN1) (see p. 8 No. 29) CPU_FAN_SPEED +12V GND ATX Power Connector (20-pin ATXPWR1) (see p. 8 No. 6) Game Port Connector (15-pin GAME1) (see p. 8 No. 20) 1 +5V JBB1 JBX MIDI_OUT JBY JBB2 MIDI_IN Connect a Game cable to this connector if the Game port bracket is installed. +5V JAB2 JAY GND GND JAX JAB1 +5V 17 2. 7 Serial ATA (SATA) Hard Disks Installation This motherboard adopts Intel ICH5 south bridge chipset that supports Serial ATA (SATA) hard disks. You may install SATA hard disks on this motherboard for internal storage devices. This section will guide you to install the SATA hard disks. STEP 1: Install the SATA hard disks into the drive bays of your chassis. STEP 2: Connect the SATA power cable to the SATA hard disk. STEP 3: Connect one end of the SATA data cable to the motherboard's primary SATA connector (SATA1). STEP 4: Connect the other end of the SATA data cable to the primary SATA hard disk. If you just want to install only one SATA HDD, the installation process is complete at this step. If you want to install two SATA HDDs, please continue to do the following steps. STEP 5: Connect the SATA power cable to the SATA hard disk. [. . . ] Configuration options: [Auto], [2. 5], [2], and [3]. DRAM RAS# Precharge This controls the idle clocks after a precharge command is issued. Configuration options: [4 Clocks], [3 Clocks], and [2 Clocks]. DRAM RAS# to CAS# Delay This controls the latency between the DRAM active command and the read / write command. [. . . ]