User Manual
Page 4
... Steps 6 1. INSTALLATION 4 Map of the ASUS Motherboard 3 III. Expansion Cards 16 Expansion Card Installation Procedure 16 Assigning IRQs for Expansion Cards 16 Assigning DMA Channels for this manual is organized 1 Item Checklist 1 II. CONTENTS I -P55T2P4 User's Manual BIOS Setup 29 Load Defaults 30 Standard CMOS Setup 30 IV ASUS P/I . System Memory (DRAM & SRAM 12...
... Steps 6 1. INSTALLATION 4 Map of the ASUS Motherboard 3 III. Expansion Cards 16 Expansion Card Installation Procedure 16 Assigning IRQs for Expansion Cards 16 Assigning DMA Channels for this manual is organized 1 Item Checklist 1 II. CONTENTS I -P55T2P4 User's Manual BIOS Setup 29 Load Defaults 30 Standard CMOS Setup 30 IV ASUS P/I . System Memory (DRAM & SRAM 12...
User Manual
Page 7
BIOS Setup: BIOS software setup information. Windows 95: Audio Software Manual (with ASUS I -P55T2P4 User's Manual 1 The ASUS P/I-P55T2P4 motherboard 2 serial port ribbon cables attached to a mounting bracket 1 parallel ribbon cable with mounting bracket 1 IDE ribbon cable 1 floppy ribbon cable Support drivers and... your package is divided into the following sections: I . INTRODUCTION How this product III. I . IV. INTRODUCTION (Manual / Checklist) I. Software: Information on setting up the motherboard. ASUS SCSI: Installation of an optional 16-bit Audio card VIII.
BIOS Setup: BIOS software setup information. Windows 95: Audio Software Manual (with ASUS I -P55T2P4 User's Manual 1 The ASUS P/I-P55T2P4 motherboard 2 serial port ribbon cables attached to a mounting bracket 1 parallel ribbon cable with mounting bracket 1 IDE ribbon cable 1 floppy ribbon cable Support drivers and... your package is divided into the following sections: I . INTRODUCTION How this product III. I . IV. INTRODUCTION (Manual / Checklist) I. Software: Information on setting up the motherboard. ASUS SCSI: Installation of an optional 16-bit Audio card VIII.
User Manual
Page 8
...) II. Two floppy drives of either a standard PCI card or the ASUS MediaBus Card. • ASUS MediaBus Rev 2.0: Features an expansion slot extension shared with I -P55T2P4 User's Manual This motherboard: • Easy Installation: Is equipped with BIOS that supports auto detection .... (See page 14 for compatible cache modules.) • Versatile DRAM Memory Support: Supports 72-pin SIMMs of the ASUS Motherboard The ASUS P/I-P55T2P4 is also supported. 2 ASUS P/I /O subsystems. • Error Checking and Correcting (ECC): Using Intel's 430HX PCIset together with EPP and ECP capabilities...
...) II. Two floppy drives of either a standard PCI card or the ASUS MediaBus Card. • ASUS MediaBus Rev 2.0: Features an expansion slot extension shared with I -P55T2P4 User's Manual This motherboard: • Easy Installation: Is equipped with BIOS that supports auto detection .... (See page 14 for compatible cache modules.) • Versatile DRAM Memory Support: Supports 72-pin SIMMs of the ASUS Motherboard The ASUS P/I-P55T2P4 is also supported. 2 ASUS P/I /O subsystems. • Error Checking and Correcting (ECC): Using Intel's 430HX PCIset together with EPP and ECP capabilities...
User Manual
Page 9
... Socket 7 L2 Upgrade Cache Expansion Slot Onboard 256KB/ 512KB Pipelined Burst L2 Cache ASUS P/I /O Onboard Floppy & IDE Connect. Parts of Board) II. FEATURES (Parts of the ASUS Motherboard 3 ISA Slots Programmable Flash ROM 3 PCI Slots Parallel & Serial Ports Super Multi-I -P55T2P4 User's Manual 3 This controller supports PIO Modes 3 and 4 and Bus Master IDE DMA...
... Socket 7 L2 Upgrade Cache Expansion Slot Onboard 256KB/ 512KB Pipelined Burst L2 Cache ASUS P/I /O Onboard Floppy & IDE Connect. Parts of Board) II. FEATURES (Parts of the ASUS Motherboard 3 ISA Slots Programmable Flash ROM 3 PCI Slots Parallel & Serial Ports Super Multi-I -P55T2P4 User's Manual 3 This controller supports PIO Modes 3 and 4 and Bus Master IDE DMA...
User Manual
Page 10
... Slot 1 SIMM Socket 4 (Bank 1) SIMM Socket 3 (Bank 1) SIMM Socket 2 (Bank 0) SIMM Socket 1 (Bank 0) III. INSTALLATION (Map of the ASUS Motherboard ISA Slot 2 ISA Slot 3 JP2 Boot Block Write (Dis/En) PS/2 Mouse Keyboard Universal Serial Bus (Reserved for future use) COM 1 COM 2 Serial (COM...) Ports MULTI I/O Chipset Multi-I -P55T2P4 User's Manual INSTALLATION Map of Board) Board Power Input P9 Secondary IDE Primary IDE Floppy Drives P8 MediaBus 2.0 Pipelined Burst Level 2 Cache...
... Slot 1 SIMM Socket 4 (Bank 1) SIMM Socket 3 (Bank 1) SIMM Socket 2 (Bank 0) SIMM Socket 1 (Bank 0) III. INSTALLATION (Map of the ASUS Motherboard ISA Slot 2 ISA Slot 3 JP2 Boot Block Write (Dis/En) PS/2 Mouse Keyboard Universal Serial Bus (Reserved for future use) COM 1 COM 2 Serial (COM...) Ports MULTI I/O Chipset Multi-I -P55T2P4 User's Manual INSTALLATION Map of Board) Board Power Input P9 Secondary IDE Primary IDE Floppy Drives P8 MediaBus 2.0 Pipelined Burst Level 2 Cache...
User Manual
Page 11
...-pin Block) Serial Port COM1 & COM2 (10-pin Blocks) Floppy Drive Connector (34-pin Block) Motherboard Power Connector (12-pin Block) Primary/Secondary IDE Connectors (40-pin Blocks) IDE LED Activity Light Turbo...Reset Switch Lead (2-pins) Keyboard Lock Switch Lead (5-pins) Speaker Connector (4-pins) CPU 12V Cooling Fan Connector Infrared Port Module Connector ASUS P/I /O Selection (Enable/Disable) p. 7 Flash ROM Boot Block Program (Disable/Enable) p. 8 Total Level 2 Cache Size Setting... 3) JP5 4) JP7 5) JP17 6) JP20 7) JP8, JP9,JP10 8) JP11, JP12 9) JP4 p. 7 Multi-I -P55T2P4 User's Manual 5
...-pin Block) Serial Port COM1 & COM2 (10-pin Blocks) Floppy Drive Connector (34-pin Block) Motherboard Power Connector (12-pin Block) Primary/Secondary IDE Connectors (40-pin Blocks) IDE LED Activity Light Turbo...Reset Switch Lead (2-pins) Keyboard Lock Switch Lead (5-pins) Speaker Connector (4-pins) CPU 12V Cooling Fan Connector Infrared Port Module Connector ASUS P/I /O Selection (Enable/Disable) p. 7 Flash ROM Boot Block Program (Disable/Enable) p. 8 Total Level 2 Cache Size Setting... 3) JP5 4) JP7 5) JP17 6) JP20 7) JP8, JP9,JP10 8) JP11, JP12 9) JP4 p. 7 Multi-I -P55T2P4 User's Manual 5
User Manual
Page 12
...6 ASUS P/I-P55T2P4 User's Manual III. INSTALLATION Installation Steps Before using your computer when working on jumpers with three pins. Install Expansion Cards 5. See "Map of following steps: 1. Use the diagrams in this manual instead of the Motherboard" on page 4 for our motherboards is ..., leads, or circuitry. 3. Unplug your computer, you work on the motherboard. WARNING: Computer motheboards and components contain very delicate Integrated Circuit (IC) chips. To protect the motherboard and other groups. Set Jumpers on the board. Hold components by the ...
...6 ASUS P/I-P55T2P4 User's Manual III. INSTALLATION Installation Steps Before using your computer when working on jumpers with three pins. Install Expansion Cards 5. See "Map of following steps: 1. Use the diagrams in this manual instead of the Motherboard" on page 4 for our motherboards is ..., leads, or circuitry. 3. Unplug your computer, you work on the motherboard. WARNING: Computer motheboards and components contain very delicate Integrated Circuit (IC) chips. To protect the motherboard and other groups. Set Jumpers on the board. Hold components by the ...
User Manual
Page 14
...user-entered information stored in the CMOS RAM of Motherboard" for installation procedures. Selections JP7 Operation [open] (Default) Clear Data [short] (momentarily) JP7 JP7 Operation (Default) Clear Data RTC RAM (Operation / Clear Data) 8 ASUS P/I-P55T2P4 User's Manual III. Regardless of L2 cache ...that is no onboard cache, you have 256KB. An "ASUS" or "COAST" cache module can be used to upgrade the 256KB version to 512KB...
...user-entered information stored in the CMOS RAM of Motherboard" for installation procedures. Selections JP7 Operation [open] (Default) Clear Data [short] (momentarily) JP7 JP7 Operation (Default) Clear Data RTC RAM (Operation / Clear Data) 8 ASUS P/I-P55T2P4 User's Manual III. Regardless of L2 cache ...that is no onboard cache, you have 256KB. An "ASUS" or "COAST" cache module can be used to upgrade the 256KB version to 512KB...
User Manual
Page 16
... tell the clock generator what frequency to send to BUS Frequency Ratio (JP11, JP12) These jumpers set together with the Cyrix PR166+ installed on this motherboard. 10 ASUS P/I-P55T2P4 User's Manual Bootup screen will show 6x86-P166+ with the above jumpers CPU External (BUS) Frequency Selection. Ratio) JP12 JP11 [1-2] [1-2] [2-3] [1-2] ...PR166+ 133MHz 2.0x 66MHz [2-3] [1-2] [2-3] [1-2] [2-3] *NOTE: Only IBM or Cyrix Rev 2.7 or later is supported on this motherboard (see next page). These allow the selection of the CPU and the External frequency (called the BUS Clock) within the CPU....
... tell the clock generator what frequency to send to BUS Frequency Ratio (JP11, JP12) These jumpers set together with the Cyrix PR166+ installed on this motherboard. 10 ASUS P/I-P55T2P4 User's Manual Bootup screen will show 6x86-P166+ with the above jumpers CPU External (BUS) Frequency Selection. Ratio) JP12 JP11 [1-2] [1-2] [2-3] [1-2] ...PR166+ 133MHz 2.0x 66MHz [2-3] [1-2] [2-3] [1-2] [2-3] *NOTE: Only IBM or Cyrix Rev 2.7 or later is supported on this motherboard (see next page). These allow the selection of the CPU and the External frequency (called the BUS Clock) within the CPU....
User Manual
Page 17
...use a cache module with an extended TAG SRAM (such as 256KB ASUS CM1 Rev 3.0 with 2 TAG SRAM's) but must be Revision 2.7 or later. WARNING: If there are DRAM cache chips (MCache) either onboard or on this motherboard is supported on the SIMM cache module instead of pipelined burst SRAM ...Only Cacheable Size (64MB/512MB) ASUS P/I-P55T2P4 User's Manual 11 If the cache module that is labeled Cyrix 6x86-PR166+ but not both and set to 512MB. See page 12 for TAG SRAM upgrade and page 14 for L2 cache locations. See "Map of Motherboard" on the underside of 64MB uses...
...use a cache module with an extended TAG SRAM (such as 256KB ASUS CM1 Rev 3.0 with 2 TAG SRAM's) but must be Revision 2.7 or later. WARNING: If there are DRAM cache chips (MCache) either onboard or on this motherboard is supported on the SIMM cache module instead of pipelined burst SRAM ...Only Cacheable Size (64MB/512MB) ASUS P/I-P55T2P4 User's Manual 11 If the cache module that is labeled Cyrix 6x86-PR166+ but not both and set to 512MB. See page 12 for TAG SRAM upgrade and page 14 for L2 cache locations. See "Map of Motherboard" on the underside of 64MB uses...
User Manual
Page 18
System Memory (DRAM & SRAM) This motherboard supports four 72-pin SIMMs of this SRAM is 15ns or faster. Install memory in any combination as follows: Bank Bank 0 SIMM Sockets 1&2 Memory Module ... use a standard 5Volt SRAM chip that you must have an extended tag, do not install another TAG SRAM into the TAG SRAM Upgrade Socket. 12 ASUS P/I-P55T2P4 User's Manual To support ECC, you install already have the same size memory installed in any or all modules. IMPORTANT: Each bank must use memory...
System Memory (DRAM & SRAM) This motherboard supports four 72-pin SIMMs of this SRAM is 15ns or faster. Install memory in any combination as follows: Bank Bank 0 SIMM Sockets 1&2 Memory Module ... use a standard 5Volt SRAM chip that you must have an extended tag, do not install another TAG SRAM into the TAG SRAM Upgrade Socket. 12 ASUS P/I-P55T2P4 User's Manual To support ECC, you install already have the same size memory installed in any or all modules. IMPORTANT: Each bank must use memory...
User Manual
Page 20
...module as shown. If there is no onboard cache, you may have 512KB. III. INSTALLATION Static RAM (SRAM) for this Motherboard SIMM Cache Module ASUS CM1 Rev 1.0 ASUS CM1 Rev 1.3 ASUS CM4 Rev 1.5 ASUS CM1 Rev 1.6 ASUS CM1 Rev 3.0 COAST 1.1 COAST 1.2 COAST 1.3 COAST 2.0 COAST 2.1 COAST 3.0 COAST 3.1 256KB to 512KB No No ... If the cache module that you have an extended tag, do not install another TAG SRAM into the TAG SRAM Upgrade Socket. 14 ASUS P/I-P55T2P4 User's Manual If you only have onboard cache chips, then you purchase may install a SIMM cache module of either side of pins ...
...module as shown. If there is no onboard cache, you may have 512KB. III. INSTALLATION Static RAM (SRAM) for this Motherboard SIMM Cache Module ASUS CM1 Rev 1.0 ASUS CM1 Rev 1.3 ASUS CM4 Rev 1.5 ASUS CM1 Rev 1.6 ASUS CM1 Rev 3.0 COAST 1.1 COAST 1.2 COAST 1.3 COAST 2.0 COAST 2.1 COAST 3.0 COAST 3.1 256KB to 512KB No No ... If the cache module that you have an extended tag, do not install another TAG SRAM into the TAG SRAM Upgrade Socket. 14 ASUS P/I-P55T2P4 User's Manual If you only have onboard cache chips, then you purchase may install a SIMM cache module of either side of pins ...
User Manual
Page 21
...the CPU that corner of the square array of the CPU. Central Processing Unit (CPU) The motherboard provides a 321-pin ZIF Socket 7 that will only fit in the one hole is required to both the CPU and ...the motherboard. (See page 24 "CPU Cooling Fan Connector.) To install a CPU, first turn on the motherboard next to that there is a blank area where one orientation as shown. ... and cause damage to insert the CPU. The picture is backwards compatible with Pentium Processor 1 White Dot ASUS P/I-P55T2P4 User's Manual 15
...the CPU that corner of the square array of the CPU. Central Processing Unit (CPU) The motherboard provides a 321-pin ZIF Socket 7 that will only fit in the one hole is required to both the CPU and ...the motherboard. (See page 24 "CPU Cooling Fan Connector.) To install a CPU, first turn on the motherboard next to that there is a blank area where one orientation as shown. ... and cause damage to insert the CPU. The picture is backwards compatible with Pentium Processor 1 White Dot ASUS P/I-P55T2P4 User's Manual 15
User Manual
Page 22
... any necessary jumpers on your computer system's cover. 4. Read the documentation for your motherboard and expansion cards. Replace the computer system's cover. 8. In an standard design there are already in use . Keep the bracket for expansion cards. 16 ASUS P/I-P55T2P4 User's Manual INSTALLATION (Expansion Cards) III. sible future use an IRQ to use...
... any necessary jumpers on your computer system's cover. 4. Read the documentation for your motherboard and expansion cards. Replace the computer system's cover. 8. In an standard design there are already in use . Keep the bracket for expansion cards. 16 ASUS P/I-P55T2P4 User's Manual INSTALLATION (Expansion Cards) III. sible future use an IRQ to use...
User Manual
Page 23
...Legacy and PNP ISA cards. System IRQs are available to use IRQs. An IRQ number is added to use a DMA (Direct Memory Access) channel. ASUS P/I-P55T2P4 User's Manual 17 For Windows 95 users, the "Control Panel" icon in "My Computer," contains a "System" icon which IRQs are handled the... expansion cards after those available. Currently, there are assigned automatically from those not used by Legacy cards. Assigning DMA Channels for this motherboard are being used to PNP cards from those used and free IRQs. DMA assignments for ISA Cards Some ISA cards, both Legacy and...
...Legacy and PNP ISA cards. System IRQs are available to use IRQs. An IRQ number is added to use a DMA (Direct Memory Access) channel. ASUS P/I-P55T2P4 User's Manual 17 For Windows 95 users, the "Control Panel" icon in "My Computer," contains a "System" icon which IRQs are handled the... expansion cards after those available. Currently, there are assigned automatically from those not used by Legacy cards. Assigning DMA Channels for this motherboard are being used to PNP cards from those used and free IRQs. DMA assignments for ISA Cards Some ISA cards, both Legacy and...
User Manual
Page 24
...Ltd. * All the above Video features ATI, Inc. (AV868 Video features S3, Inc.) * All the above SCSI features Adaptec, Inc. 18 ASUS P/I-P55T2P4 User's Manual The difference between the MediaBus extension and the PCI Slot 4 has been increased from being installed into the shared PCI 4 / MediaBus... order to prevent Rev. 1.2 MediaBus cards from 0.32" to 0.40" in order to maximize the Plug and Play advantages. NOTE: This motherboard uses MediaBus Rev. 2.0. The gap between Rev. 1.2 and Rev. 2.0 is that can meet standard specifications. The following are MediaBus cards designed...
...Ltd. * All the above Video features ATI, Inc. (AV868 Video features S3, Inc.) * All the above SCSI features Adaptec, Inc. 18 ASUS P/I-P55T2P4 User's Manual The difference between the MediaBus extension and the PCI Slot 4 has been increased from being installed into the shared PCI 4 / MediaBus... order to prevent Rev. 1.2 MediaBus cards from 0.32" to 0.40" in order to maximize the Plug and Play advantages. NOTE: This motherboard uses MediaBus Rev. 2.0. The gap between Rev. 1.2 and Rev. 2.0 is that can meet standard specifications. The following are MediaBus cards designed...
User Manual
Page 25
... CLK 8: NC PS/2 Mouse Module Connector ASUS P/I-P55T2P4 User's Manual 19 If not detected, expansion cards can use IRQ12. INSTALLATION 5. Pin 1 is for connectors or power sources. The four corners of the connector. See PS/2 Mouse Control in "Map of the Motherboard" on the Pin 1 side of the ...system will cause damage to the power connector on hard drives and floppy drives. External Connectors WARNING: Some pins are labeled on your motherboard. III. May also be connected with the second drive connector no more than 6in. (15cm) from the first connector. 1. IDE ...
... CLK 8: NC PS/2 Mouse Module Connector ASUS P/I-P55T2P4 User's Manual 19 If not detected, expansion cards can use IRQ12. INSTALLATION 5. Pin 1 is for connectors or power sources. The four corners of the connector. See PS/2 Mouse Control in "Map of the Motherboard" on the Pin 1 side of the ...system will cause damage to the power connector on hard drives and floppy drives. External Connectors WARNING: Some pins are labeled on your motherboard. III. May also be connected with the second drive connector no more than 6in. (15cm) from the first connector. 1. IDE ...
User Manual
Page 27
... is removed to their receptacles on Motherboard P9 -5V -12V +5V RED RED RED WHT BLK BLK BLK BLK BLU YLW RED ORG P8 Power Plugs from the power supply, ensure first that the black wires are black. To connect the leads from Power Supply ASUS P/I-P55T2P4 User's Manual 21 Floppy Drive Connector...
... is removed to their receptacles on Motherboard P9 -5V -12V +5V RED RED RED WHT BLK BLK BLK BLK BLU YLW RED ORG P8 Power Plugs from the power supply, ensure first that the black wires are black. To connect the leads from Power Supply ASUS P/I-P55T2P4 User's Manual 21 Floppy Drive Connector...
User Manual
Page 29
Turbo LED Lead (CON1) The motherboard's turbo function is not in order to use the "Turbo Switch" since it shorted will be instantly decreased to turn off your power switch This ... GND SMI Lead GND Reset SW GND +5V NC Power LED & GND LOCK Keyboard Lock GND +5V GND Speaker GND Connector SPKR System Case Connections ASUS P/I-P55T2P4 User's Manual 23
Turbo LED Lead (CON1) The motherboard's turbo function is not in order to use the "Turbo Switch" since it shorted will be instantly decreased to turn off your power switch This ... GND SMI Lead GND Reset SW GND +5V NC Power LED & GND LOCK Keyboard Lock GND +5V GND Speaker GND Connector SPKR System Case Connections ASUS P/I-P55T2P4 User's Manual 23