Motherboard DIY Troubleshooting Guide
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FEATURES 8 2.1 The ASUS P4T-CM 8 2.2 P4T-CM Motherboard Components 12 3. HARDWARE SETUP 14 3.1 P4T-CM Motherboard Layout 14 3.2 Layout Contents 15 3.3 Getting Started 16 3.4 System Memory 17 3.5 Central Processing Unit (CPU 19 3.5.1 CPU Installation 19 3.5.2 CPU Heatsink Retention Module Installation 20 3.6 Expansion Cards... Configuration 55 4.4.3 PCI Configuration 57 4.4.4 Shadow Configuration 59 4.5 Power Menu 60 4.5.1 Power Up Control 61 4.5.2 Hardware Monitor 62 4 ASUS P4T-CM User's Manual INTRODUCTION 7 1.1 How This Manual Is Organized 7 1.2 Item Checklist 7 2.
FEATURES 8 2.1 The ASUS P4T-CM 8 2.2 P4T-CM Motherboard Components 12 3. HARDWARE SETUP 14 3.1 P4T-CM Motherboard Layout 14 3.2 Layout Contents 15 3.3 Getting Started 16 3.4 System Memory 17 3.5 Central Processing Unit (CPU 19 3.5.1 CPU Installation 19 3.5.2 CPU Heatsink Retention Module Installation 20 3.6 Expansion Cards... Configuration 55 4.4.3 PCI Configuration 57 4.4.4 Shadow Configuration 59 4.5 Power Menu 60 4.5.1 Power Up Control 61 4.5.2 Hardware Monitor 62 4 ASUS P4T-CM User's Manual INTRODUCTION 7 1.1 How This Manual Is Organized 7 1.2 Item Checklist 7 2.
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... Tape Backup drives. • More USB Ports: Supports a total of up to 133MB/s maximum throughput.) 8 ASUS P4T-CM User's Manual and dual channel RDRAM. • Intel ICH2: The Intel I /O Controller Hub, and Firmware Hub) with two Rambus Inline Memory Module (RIMM) sockets to 1GB. The slot is keyed to support only the latest 1.5 volt...
... Tape Backup drives. • More USB Ports: Supports a total of up to 133MB/s maximum throughput.) 8 ASUS P4T-CM User's Manual and dual channel RDRAM. • Intel ICH2: The Intel I /O Controller Hub, and Firmware Hub) with two Rambus Inline Memory Module (RIMM) sockets to 1GB. The slot is keyed to support only the latest 1.5 volt...
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... devices. • AC'97 Codec: (optional) The latest high-performance mini-chipset supports hi-fidelity 18-bit stereo, full duplex audio performance. ASUS P4T-CM User's Manual 9 ter bus to the memory and processor. 2.1.2 Optional Components • Realtek RTL8139C Ethernet: (optional) Single chip fast ethernet controller for virtually automatic setup. • Smart BIOS: 2Mbit...
... devices. • AC'97 Codec: (optional) The latest high-performance mini-chipset supports hi-fidelity 18-bit stereo, full duplex audio performance. ASUS P4T-CM User's Manual 9 ter bus to the memory and processor. 2.1.2 Optional Components • Realtek RTL8139C Ethernet: (optional) Single chip fast ethernet controller for virtually automatic setup. • Smart BIOS: 2Mbit...
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..., UltraDMA/33 (IDE DMA Mode 2), PIO Modes 3 & 4, and supports Enhanced IDE devices, such as required by PC 99. 10 ASUS P4T-CM User's Manual The new PC 99 requirements for systems and components are based on all system components, and 32-bit device drivers and installation ...maximum power savings as Windows 98/ 2000/Millenium, must be enabled.) • RDRAM Optimized Performance: This motherboard supports the new generation memory, Rambus Dynamic Random Access Memory (RDRAM). UltraDMA/100 is backward compatible with DMA/66, DMA/33, and DMA and with existing DMA devices and systems so ...
..., UltraDMA/33 (IDE DMA Mode 2), PIO Modes 3 & 4, and supports Enhanced IDE devices, such as required by PC 99. 10 ASUS P4T-CM User's Manual The new PC 99 requirements for systems and components are based on all system components, and 32-bit device drivers and installation ...maximum power savings as Windows 98/ 2000/Millenium, must be enabled.) • RDRAM Optimized Performance: This motherboard supports the new generation memory, Rambus Dynamic Random Access Memory (RDRAM). UltraDMA/100 is backward compatible with DMA/66, DMA/33, and DMA and with existing DMA devices and systems so ...
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Voltage specifications are more critical for future processors, so monitoring is enabled, the CPU with either the bundled ASUS PC Probe or Intel LDCM will warn the user before the system resources are used up can be enabled or ... button for more than 4 seconds will give the user information on managing their limited resources more memory and hard drive space to prevent possible application crashes. ASUS P4T-CM User's Manual 11 The onboard hardware ASUS ASIC in 3.8 Connectors for more information) button. When auto throttling is necessary to critical motherboard ...
Voltage specifications are more critical for future processors, so monitoring is enabled, the CPU with either the bundled ASUS PC Probe or Intel LDCM will warn the user before the system resources are used up can be enabled or ... button for more than 4 seconds will give the user information on managing their limited resources more memory and hard drive space to prevent possible application crashes. ASUS P4T-CM User's Manual 11 The onboard hardware ASUS ASIC in 3.8 Connectors for more information) button. When auto throttling is necessary to critical motherboard ...
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FEATURES 2.2 P4T-CM Motherboard Components See opposite page for Pentium 4 Processors 1 Chipsets Intel 850 Memory Controller Hub (MCH 2 Intel I/O Controller Hub 2 (ICH2 11 4Mbit Firmware Hub (FWH 9 Main Memory Maximum 1GB support 2 RIMM Sockets 3 Dual Channel PC800/PC600 RDRAM support Expansion Slots 3 PCI Slots 17 1 Accelerated Graphics... ATX Power Supply Connector 6 ATX 12V Power Supply Connector 6 Special Feature 1 iPanel Header 8 Form Factor MicroATX 12 ASUS P4T-CM User's Manual 2. Location Processor Support Socket 423 for locations. FEATURES MB Components 2.
FEATURES 2.2 P4T-CM Motherboard Components See opposite page for Pentium 4 Processors 1 Chipsets Intel 850 Memory Controller Hub (MCH 2 Intel I/O Controller Hub 2 (ICH2 11 4Mbit Firmware Hub (FWH 9 Main Memory Maximum 1GB support 2 RIMM Sockets 3 Dual Channel PC800/PC600 RDRAM support Expansion Slots 3 PCI Slots 17 1 Accelerated Graphics... ATX Power Supply Connector 6 ATX 12V Power Supply Connector 6 Special Feature 1 iPanel Header 8 Form Factor MicroATX 12 ASUS P4T-CM User's Manual 2. Location Processor Support Socket 423 for locations. FEATURES MB Components 2.
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... (16/18 bit, 184-pin module) RIMMB1 (16/18 bit, 184-pin module) PARALLEL PORT Socket 423 PWR_FAN GAME_AUDIO Intel 850 Memory Line Out Controller Hub (MCH) Line In Mic P4T-CM In ® Accelerated Graphics Port (AGP) 1 1 1 Realtek RTL8139C Audio Codec PCI1 AUX_CON PCI2 WOLCON PCI3 CD_IN CR2032 3V Lithium Cell CMOS... USB2 HDLED PANEL Grayed components are available only on certain models at the time of purchase. SECONDARY IDE PRIMARY IDE FLOPPY 24.4cm (9.6in) 14 ASUS P4T-CM User's Manual H/W SETUP Motherboard Layout 3. 3.
... (16/18 bit, 184-pin module) RIMMB1 (16/18 bit, 184-pin module) PARALLEL PORT Socket 423 PWR_FAN GAME_AUDIO Intel 850 Memory Line Out Controller Hub (MCH) Line In Mic P4T-CM In ® Accelerated Graphics Port (AGP) 1 1 1 Realtek RTL8139C Audio Codec PCI1 AUX_CON PCI2 WOLCON PCI3 CD_IN CR2032 3V Lithium Cell CMOS... USB2 HDLED PANEL Grayed components are available only on certain models at the time of purchase. SECONDARY IDE PRIMARY IDE FLOPPY 24.4cm (9.6in) 14 ASUS P4T-CM User's Manual H/W SETUP Motherboard Layout 3. 3.
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... and Expansion 1) RIMM A1 / B1 p.17 184-Pin System Memory Support 2) CPU p.19 Central Processing Unit (CPU) 3) Heatsink p.20 CPU Heatsink Retention Module Installation 4) PCI1/2/3 p.22 32-bit PCI Bus Expansion Slots 5) AGP 4X p.23 ... System Management Interrupt Switch Lead (2 pin) 26) PWRSW (PANEL) p.34 ATX Power / Soft-Off Switch Lead (2 pin) 27) RESET (PANEL) p.34 Reset Switch Lead (2 pin) ASUS P4T-CM User's Manual 15 3.
... and Expansion 1) RIMM A1 / B1 p.17 184-Pin System Memory Support 2) CPU p.19 Central Processing Unit (CPU) 3) Heatsink p.20 CPU Heatsink Retention Module Installation 4) PCI1/2/3 p.22 32-bit PCI Bus Expansion Slots 5) AGP 4X p.23 ... System Management Interrupt Switch Lead (2 pin) 26) PWRSW (PANEL) p.34 ATX Power / Soft-Off Switch Lead (2 pin) 27) RESET (PANEL) p.34 Reset Switch Lead (2 pin) ASUS P4T-CM User's Manual 15 3.
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... should follow some precautions whenever you must complete the following steps: • Check Motherboard Settings • Install Memory Modules • Install the Central Processing Unit (CPU) • Install Expansion Cards • Connect Ribbon Cables, Panel Wires, and Power Supply WARNING! Unplug your motherboard, peripherals, and/or components. 16 ASUS P4T-CM User's Manual WARNING! 3.
... should follow some precautions whenever you must complete the following steps: • Check Motherboard Settings • Install Memory Modules • Install the Central Processing Unit (CPU) • Install Expansion Cards • Connect Ribbon Cables, Panel Wires, and Power Supply WARNING! Unplug your motherboard, peripherals, and/or components. 16 ASUS P4T-CM User's Manual WARNING! 3.
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... or BIOS setup is required after adding or removing memory. Location Memory Module RIMMA1 (Rows 0&1) RDRAM RIMMB1 (Rows 2&3) RDRAM TOTAL SYSTEM MEMORY (1GB Max) Subtotal x 1 x 1 = IMPORTANT 1. 3. The memory configuration of channel A (RIMMA1 ) and channel B (RIMMB1) must be identical. 128MB RDRAM RIMMB1 128MB RDRAM RIMMA1 3. H/W SETUP System Memory ASUS P4T-CM User's Manual 17 These sockets support 64Mbit, 128Mbit...
... or BIOS setup is required after adding or removing memory. Location Memory Module RIMMA1 (Rows 0&1) RDRAM RIMMB1 (Rows 2&3) RDRAM TOTAL SYSTEM MEMORY (1GB Max) Subtotal x 1 x 1 = IMPORTANT 1. 3. The memory configuration of channel A (RIMMA1 ) and channel B (RIMMB1) must be identical. 128MB RDRAM RIMMB1 128MB RDRAM RIMMA1 3. H/W SETUP System Memory ASUS P4T-CM User's Manual 17 These sockets support 64Mbit, 128Mbit...
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... 3. If necessary, push the ejectors inward to cool off before removing them. 18 ASUS P4T-CM User's Manual MOUNTING NOTCH RDRAM (with Heat Spreader P4T-CM ® P4T-CM 184-Pin RIMM Sockets 1. The guides on the socket's ejectors should close. HARDWARE SETUP 3.4.1 Installing Memory The memory module (RIMM) will fit in place. With the ejectors in the module...
... 3. If necessary, push the ejectors inward to cool off before removing them. 18 ASUS P4T-CM User's Manual MOUNTING NOTCH RDRAM (with Heat Spreader P4T-CM ® P4T-CM 184-Pin RIMM Sockets 1. The guides on the socket's ejectors should close. HARDWARE SETUP 3.4.1 Installing Memory The memory module (RIMM) will fit in place. With the ejectors in the module...
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shared -- -- -- -- See examples of AGP graphics cards with ultra-high memory bandwidth. shared - used - - - Conflicts will arise between the two PCI groups that the cards do not need IRQ assignments. 3. shared used shared used - - Early AGP...support "Share IRQ" or that will not fit properly into the new AGP 4X slots. INT-C INT-D INT-E INT-F - - - INT-G INT-H -- shared -- -- - ASUS® AGP 4X cards are supported. ASUS P4T-CM User's Manual 23 H/W SETUP Expansion Cards 3. HARDWARE SETUP Interrupt Request Table for both types below: An early 3.3V AGP card: Do not...
shared -- -- -- -- See examples of AGP graphics cards with ultra-high memory bandwidth. shared - used - - - Conflicts will arise between the two PCI groups that the cards do not need IRQ assignments. 3. shared used shared used - - Early AGP...support "Share IRQ" or that will not fit properly into the new AGP 4X slots. INT-C INT-D INT-E INT-F - - - INT-G INT-H -- shared -- -- - ASUS® AGP 4X cards are supported. ASUS P4T-CM User's Manual 23 H/W SETUP Expansion Cards 3. HARDWARE SETUP Interrupt Request Table for both types below: An early 3.3V AGP card: Do not...
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... ), and the power input voltage is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated System running , the BIOS will alarm beeps or additional messages will light. You may then turn on the power, the...tests are made, close the system case cover. 2. Connect the power supply cord into a power outlet that all connections are running at a lower frequency ASUS P4T-CM User's Manual 35 External SCSI devices (starting with "green" standards or if it has a power standby feature. If you do not see anything within...
... ), and the power input voltage is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated System running , the BIOS will alarm beeps or additional messages will light. You may then turn on the power, the...tests are made, close the system case cover. 2. Connect the power supply cord into a power outlet that all connections are running at a lower frequency ASUS P4T-CM User's Manual 35 External SCSI devices (starting with "green" standards or if it has a power standby feature. If you do not see anything within...
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... using a floppy. 3. In DOS mode, type A:\AFLASH to the disk. 2. DO NOT copy AUTOEXEC.BAT & CONFIG.SYS to run AFLASH. 4. ASUS A7A266 User's Manual 37 To determine the BIOS version of your motherboard, check the last four numbers of your screen during bootup. If "unknown" is... IMPORTANT! AFLASH.EXE is your hard drive. Larger numbers represent a newer BIOS file. 1. Type COPY D:\AFLASH\AFLASH.EXE A:\ (assuming D is a Flash Memory Writer utility that you boot from the floppy disk. Reboot your computer from your CDROM drive) to copy AFLASH.EXE to the programmable flash ROM...
... using a floppy. 3. In DOS mode, type A:\AFLASH to the disk. 2. DO NOT copy AUTOEXEC.BAT & CONFIG.SYS to run AFLASH. 4. ASUS A7A266 User's Manual 37 To determine the BIOS version of your motherboard, check the last four numbers of your screen during bootup. If "unknown" is... IMPORTANT! AFLASH.EXE is your hard drive. Larger numbers represent a newer BIOS file. 1. Type COPY D:\AFLASH\AFLASH.EXE A:\ (assuming D is a Flash Memory Writer utility that you boot from the floppy disk. Reboot your computer from your CDROM drive) to copy AFLASH.EXE to the programmable flash ROM...
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Follow the onscreen instructions to boot up . If you saved to successfully update a complete BIOS file, your system from booting up . If the Flash Memory Writer utility was not able to disk above. BIOS SETUP Updating BIOS 40 ASUS P4T-CM User's Manual Just repeat the process, and if the problem still persists, update the original BIOS file you encounter problems while updating the new BIOS, DO NOT turn off your system since this happens, your system will need servicing. 4. If this might prevent your system may not be able to continue. WARNING! BIOS SETUP 8. 4.
Follow the onscreen instructions to boot up . If you saved to successfully update a complete BIOS file, your system from booting up . If the Flash Memory Writer utility was not able to disk above. BIOS SETUP Updating BIOS 40 ASUS P4T-CM User's Manual Just repeat the process, and if the problem still persists, update the original BIOS file you encounter problems while updating the new BIOS, DO NOT turn off your system since this happens, your system will need servicing. 4. If this might prevent your system may not be able to continue. WARNING! BIOS SETUP 8. 4.
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...Press and the password will be set the passwords. If you forgot the password, you enter a password using upper or lowercase letters. ASUS P4T-CM User's Manual 49 You can clear the password by the onboard button cell battery. The passwords are ignored. In other keys are not ...computer; (2)Uncap the blue jumper cap from default [1-2]; (3)Place the jumper cap onto pins [2-3] to short the RTC CMOS registry and erase its memory; (4)Uncap the jumpers and return the cap to the operational default position [1-2]; (5)Turn ON your computer; (6) Hold down during bootup and enter ...
...Press and the password will be set the passwords. If you forgot the password, you enter a password using upper or lowercase letters. ASUS P4T-CM User's Manual 49 You can clear the password by the onboard button cell battery. The passwords are ignored. In other keys are not ...computer; (2)Uncap the blue jumper cap from default [1-2]; (3)Place the jumper cap onto pins [2-3] to short the RTC CMOS registry and erase its memory; (4)Uncap the jumpers and return the cap to the operational default position [1-2]; (5)Turn ON your computer; (6) Hold down during bootup and enter ...
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... [1400MHz] This field allows you to the RDRAM. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you desire. Configuration options: [Disabled] [Enabled] 50 ASUS P4T-CM User's Manual Configuration options: [Disabled] [Enabled] FPU OPCODE Compatible Mode [Disabled] Leave on or off the CPU's Level 1 and Level 2 built-in cache. BIOS SETUP... Fast String [Disabled] When set to [Enabled], the CPU has direct access to balance optimal performance with stability. The default setting [Auto] seeks to the memory. no options are available.
... [1400MHz] This field allows you to the RDRAM. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you desire. Configuration options: [Disabled] [Enabled] 50 ASUS P4T-CM User's Manual Configuration options: [Disabled] [Enabled] FPU OPCODE Compatible Mode [Disabled] Leave on or off the CPU's Level 1 and Level 2 built-in cache. BIOS SETUP... Fast String [Disabled] When set to [Enabled], the CPU has direct access to balance optimal performance with stability. The default setting [Auto] seeks to the memory. no options are available.
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...] This functions as an update loader integrated into the BIOS to [Enabled]; Configuration options: [Disabled] [Enabled] [Auto] OS/2 Onboard Memory > 64M [Disabled] When using a USB device or not. BIOS SETUP Advanced Menu ASUS P4T-CM User's Manual 51 IRQ12 will load the update on [Disabled]. If detected, USB controller legacy mode will be enabled...
...] This functions as an update loader integrated into the BIOS to [Enabled]; Configuration options: [Disabled] [Enabled] [Auto] OS/2 Onboard Memory > 64M [Disabled] When using a USB device or not. BIOS SETUP Advanced Menu ASUS P4T-CM User's Manual 51 IRQ12 will load the update on [Disabled]. If detected, USB controller legacy mode will be enabled...
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...Write [Enabled] This controls the AGP fast-write function. otherwise your display card cannot support this feature; Configuration options: [UC] [USWC] ASUS P4T-CM User's Manual 53 BIOS SETUP 4.4.1 Chip Configuration 4. Selecting [Nap] allows the RDRAM in Pool B to enter power-saving mode. [...to UC (uncacheable) if your system may not boot. Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB] [128MB] [256MB] Video Memory Cache Mode [UC] USWC (uncacheable, speculative write combining) is a new cache technology for AGP graphic data. Configuration options: [Non-ECC] [ECC]...
...Write [Enabled] This controls the AGP fast-write function. otherwise your display card cannot support this feature; Configuration options: [UC] [USWC] ASUS P4T-CM User's Manual 53 BIOS SETUP 4.4.1 Chip Configuration 4. Selecting [Nap] allows the RDRAM in Pool B to enter power-saving mode. [...to UC (uncacheable) if your system may not boot. Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB] [128MB] [256MB] Video Memory Cache Mode [UC] USWC (uncacheable, speculative write combining) is a new cache technology for AGP graphic data. Configuration options: [Non-ECC] [ECC]...
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... 2.1 Support [Enabled] This function allows you to reserve an address space for ISA expansion cards that memory space unavailable to 16MB. BIOS SETUP Chip Configuration 54 ASUS P4T-CM User's Manual Expansion cards can select to enable or disable PCI 2.1 features including passive release and delayed... transaction. BIOS SETUP Memory Hole At 15M-16M [Disabled] This field allows you to enable ...
... 2.1 Support [Enabled] This function allows you to reserve an address space for ISA expansion cards that memory space unavailable to 16MB. BIOS SETUP Chip Configuration 54 ASUS P4T-CM User's Manual Expansion cards can select to enable or disable PCI 2.1 features including passive release and delayed... transaction. BIOS SETUP Memory Hole At 15M-16M [Disabled] This field allows you to enable ...