Asus P4T Motherboard DIY Troubleshooting Guide
Asus P4T Manual
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Asus P4T manual content summary:
- Asus P4T | Motherboard DIY Troubleshooting Guide - Page 1
® P4T Intel® 850 ATX - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 2
©2000 2 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 3
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(12inch) PS/2 COM1 24.4 cm(9.6inch) ATX Power Connector COM2 USBPWR MAIN_FAN Socket 423 Intel 82850 MCH AUX Power Connector CPU_FAN RJ-45 USB INTRUSION ® ATX12V P4T CHASSIS IR Intel 82801BA ICH2 CLRTC LED DIP Switches Intel FWH SCSILED Super I/O PCI_FAN JEN USB2 SMB WOL PANEL - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 15
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® P4T P4T Onboard LED ON Standby Power OFF Powered Off 17 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 18
Multiple 3. Frequency Multiple 4. Frequency Multiple 5. Reserved 6. Frequency Selection 7. Frequency Selection 8. Frequency Selection 9. Frequency Selection 10. Frequency Selection ™ ™ ™ SW1 OFF ON 1 2 3 4 5 6 7 8 9 10 ® P4T P4T JumperFree™ Mode Setting 18 Jumper JumperFree 12 23 JEN - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 19
® P4T P4T USB Device Wake Up USBPWR 12 23 Enable Disable (Default) 19 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 20
.0MHz 115.0MHz 118.0MHz PCI BUS → 36.7MHz 37.3MHz 38.3MHz 39.3MHz ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 P4T P4T CPU External Frequency Selection CPU/DRAM → 120.0MHz 122.0MHz 125.0MHz PCI BUS → 40.0MHz 40.7MHz 41.7MHz 128.0MHz 42.7MHz ON - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 21
100 33.3 66.9 103 34.3 68.7 105 35.0 70.0 108 36.0 72.0 110 36.7 73.3 112 37.3 74.7 115 38.3 76.7 118 39.3 78.7 120 40.0 80.0 122 40.7 81.3 125 41.7 83.3 128 42.7 85.3 130 43.3 86.7 133 44.3 89.1 120 30.0 60.0 133 33.3 66.7 133 33.4 66.8 136 34.0 68.0 138 34.5 69.0 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 22
22 16.0x 15.0x 14.0x 13.0x P4T P4T CPU External Clock (BUS) Frequency Selection ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 12.0x 11.0x 10.0x 9.0x 8.0x ® ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 23
RIMMA1 (Rows 0&1) RIMMA2 (Rows 2&3) RIMMB1 (Rows 4&5) RIMMB2 (Rows 6&7) RDRAM C-RIMM ( RDRAM C-RIMM ( RDRAM C-RIMM ( RDRAM C-RIMM ( ( 2GB Max ) x 1 ) x 1 ) x 1 ) x 1 ) = a. C-RIMM RIMMB2 128MB RDRAM RIMMB1 C-RIMM 128MB RDRAM RIMMA2 RIMMA1 b. 128MB RDRAM RIMMB2 C-RIMM RIMMB1 128MB - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 24
Channel B Channel A ® RIMM Sockets P4T P4T 184-Pin RIMM Sockets RIMM with Heat Spreader RIMMB2 RIMMB1 RIMMA2 RIMMA1 C-RIMM MOUNTING NOTCH RDRAM (with heat spreader) NOTCH KEYS CONNECTORS EJECTOR RIBS (inside socket) (TOP VIEW) 24 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 25
® Pin 1 P4T P4T Socket 423 Pentium 4 Processor Gold Arrow Pin 1 Rubber Pad Metal Baseboard 2 Metal heatsink retaining clips 4 Copper captive nuts 4 Pad Head screws 4 Washers 2 Heatsink support bases 25 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 26
Rubber Pad Metal Baseboard 9=IDAH Motherboard Copper captive nut ® Motherboard Washer 26 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 27
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1 2 3 1 2 29 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 30
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- - - - - - - - - - - - - - - - - - - - - - - - AGP Card without Retention Notch ® 20-pin bay P4T Rib (inside slot) P4T Accelerated Graphics Port (AGP PRO) TOP VIEW 28-pin bay Rib 32 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 33
PS/2 Mouse (6-pin Female) PS/2 Keyboard (6-pin Female) 33 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 34
Parallel Port (25-pin Female) COM1 COM2 Serial Ports (9-pin Male) 34 USB 1 USB 2 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 35
RJ-45 Port UltraDMA/100 Primary Secondary Slave UltraDMA/100 UltraDMA/66 Master UltraDMA/66 Secondary IDE Connector Primary IDE Connector ® P4T P4T IDE Connectors NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to PIN 1. PIN 1 35 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 36
FLOPPY PIN 1 NOTE: Orient the red markings on ® the floppy ribbon cable to PIN 1. P4T P4T Floppy Disk Drive Connector GND +12V MAIN_FAN (for power supply fan) Rotation Rotation +12V GND CPU_FAN ® P4T P4T 12-Volt Cooling Fan Power Rotation +12V GND PCI_FAN (for chassis fan) 36 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 37
SMBCLK Ground SMBDATA +5V ® P4T P4T SMBus Connector 1 SMB +5VSB_MB Chassis Signal GND ® P4T P4T Chassis Open Alarm Lead 1 CHASSIS 37 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 38
IMPORTANT: Requires an ATX power supply with at least 720mA +5 volt standby power ® WOL Ground P4T P4T Wake-On-LAN Connector PME +5 Volt Standby ® P4T P4T Wake-On-Ring Connector Ring# Ground 2 1 WOR 38 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 39
® P4T P4T USB Headers 10 5 USB2 6 1: USB Power 6: USB Power 2: USBP2- 7: USBP3- 3: USBP2+ 1 4: GND 8: USBP3+ 9: GND 5: NC ® P4T P4T Hard Disk Drive Activity LED TIP: If the case-mounted LED does not light, try reversing the 2-pin plug. HDDLED ® + P4T P4T SCSI LED Connector 1 SCSILED 39 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 40
IR ® 1 P4T P4T Infrared Module Connector +5V (NC) IRRX GND IRTX Front View Back View IRTX +5V GND (NC) IRRX 40 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 41
COM COM +5.0VDC PS_ON# COM COM +3.3VDC -12.0VDC +3.3VDC +3.3VDC ® COM +12V DC Pin 1 COM +12V DC Pin 1 P4T ATX12V COM +3V +5V P4T ATX & Auxiliary Power Connectors AUXPWR Keyboard Lock Speaker Power LED Connector +5 V PLED Keylock Ground +5V Ground Ground Speaker ® +5 V MLED - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 42
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MAIN ADVANCED POWER BOOT EXIT or or ← or → (keypad arrow) ↑ or ↓ (keypad arrows) - (minus key) + (plus key) or spacebar or or 50 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 52
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® P4T P4T Clear RTC RAM Intel I/O Controller Hub (ICH2) CLRTC Short solder points to Clear CMOS 57 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 59
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Windows 98 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 91
Windows 98 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 92
Windows 98 - Asus P4T | Motherboard DIY Troubleshooting Guide - Page 93
Windows 98
®
P4T
Intel
®
850 ATX