Merlin DP
Dual Pentium® Pro
PCI ISA Motherboard
User's Guide
MAN – 750
12/10/96
Page 1: ...Merlin DP Dual Pentium Pro PCI ISA Motherboard User s Guide MAN 750 12 10 96...
Page 2: ...e support materials provided with the product Trademarks VESA is a registered trademark of the Video Electronics Standards Association Intel and Pentium are registered trademarks of Intel Corporation...
Page 3: ...cribes the specifications and features of the Merlin DP PCI motherboard It explains how to assemble a system based on the Merlin DP PCI motherboard and how to use the AMIBIOS that is specifically desi...
Page 4: ...ta transmission rates from 1 200 to 28 800 bps BBS Phone Numbers The following table lists the characteristics of the BBS phone numbers The BBS requires no parity eight data bits and one stop bit Phon...
Page 5: ...if the PCI 2 1 Compliance option in Chipset Setup is set to Enabled The Version 2 1 PCI specification requires a deterministic latency for PCI devices Computers that use ISA DMA or ISA bus masters wil...
Page 6: ...ots 0 62 Keyboard Connectors 0 85 SIMM Sockets 1 5 CPU Fan and Voltage Regulators 2 Power Connectors 1 5 13 8 55 Warning This motherboard contains sensitive electronic components that can be easily da...
Page 7: ...OT 2 PCI SLOT 3 PCI SLOT 4 BANK0 BANK1 RTC Battery J31 J5 CPU Fan Pin 1 is identified by a square pin andbya pointed box on the silkscreen J30 J14 USB2 J13 USB1 J2 Parallel J32 J33 J35 SPKR M egatrend...
Page 8: ...ge Remove the sponge and the anti static bag Place the motherboard on a grounded anti static surface component side up Save the original packing material 4 Inspect the motherboard for damage Press dow...
Page 9: ...PU Speed J22 J16 J17 J26 150 MHz Short Pins 1 2 Open Shorted Short Pins 3 4 Short Pins 5 6 Short Pins 7 8 166 MHz Short Pins 1 2 Shorted Open Short Pins3 4 Short Pins 5 6 Short Pins 7 8 180 MHz Short...
Page 10: ...Pins 1 2 Short Pins 3 4 Short Pins 5 6 Short Pins 7 8 3 4V Short Pins 1 2 Short Pins 3 4 Short Pins 5 6 3 3V Factory Setting Short Pins 1 2 Short Pins 3 4 Short Pins 7 8 3 2V Short Pins 1 2 Short Pins...
Page 11: ...x 503 786 5011 073 20674 07X MDL P6 V5A124 Connect CPU Fan J3 and J5 shown below are two pin bergs that connect the fan on the CPU heat sink to the motherboard power J5 is the CPU fan connector for th...
Page 12: ...the procedures in this section exactly as documented Make sure you wear an antistatic wristband while installing the CPU Follow all prescribed antistatic procedures Step Action 1 Lift the lever on th...
Page 13: ...Chapter 1 Hardware Installation Step Action 3 Complete installation by lifting the ZIF lever to the other side of the socket as shown below Pentium Pro...
Page 14: ...MM You can use 1 MB x 32 or 36 2 MB x 32 or 36 4 MB x 32 or 36 8 MB x 32 or 36 16 MB x 32 or 36 or 32 MB x 32 or 36 SIMMs The Merlin DP motherboard will support 128 MB SIMMs when they become available...
Page 15: ...msung EMM53620036 70 4 MB x 36 Micron MT12D436M 7 Mitsubishi MH4M36SAJ 7 Motorola MCM36400S 70 PNY P364000 70 Samsung KMM5364100 7 8 MB x 36 Motorola MCM36800S 70 PNY P368000 707 Samsung KMM5368100 7...
Page 16: ...e facing you is where the motherboard is mounted The power supply is mounted at the far end of the chassis 3 Hold the motherboard component side up with the edge with the SIMM sockets toward you and t...
Page 17: ...rrow end of the white outlined box Connect Power Supply The power supply should match the physical configuration of the chassis Make sure the power switch is off before assembly Before attaching all c...
Page 18: ...nnector must be cut to fit on some power supplies as shown below Pin 1 Pin 1 P1 Pinout Pin Description 1 Power Good Orange wire Not used 2 VCC Red wire 3 12 Volts Yellow wire 4 12 Volts Blue wire 5 Gr...
Page 19: ...the mouse or make your own cable The pinout is Pin Description Pin Description 1 Mouse Clock 2 N C 3 N C 4 N C 5 N C 6 VCC 7 N C 8 Mouse Data 9 Ground 10 N C PS 2 Mouse IRQ J23 is a three pin berg tha...
Page 20: ...a two pin single inline berg that is attached via a cable to an externally mounted reset switch When the reset switch is pressed the system performs a hard reset Pin 1 is ground and Pin 2 is Hard Res...
Page 21: ...erboard is identified by the broad arrow Pin Description 1 VCC 2 Ground 3 Ground 4 Keyboard Lock KBDINH 5 Ground J30 Turbo LED J30 is a two pin berg that is attached via a cable to the externally moun...
Page 22: ...ter cards installed in the expansion slots on the Merlin DP PCI motherboard for a hard disk or floppy controller and serial or parallel ports J8 SER1 J9 SER2 J8 and J9 are 9 pin connectors that provid...
Page 23: ...d Centronics compatible parallel port the ECP Extended Capabilities Port and the EPP Enhanced Parallel Port All parallel port settings must be correctly configured through Peripheral Setup in WINBIOS...
Page 24: ...ntroller is installed Choose Standard Setup and Peripheral Setup to configure the floppy controller The motherboard supports up to two 720 KB 1 44 MB or 2 88 MB 3 drives and 360 KB and 1 2 MB 5 drives...
Page 25: ...NDEX 9 GND 10 MOTOR0 11 GND 12 FDSEL1 13 GND 14 FDSEL0 15 GND 16 MOTOR1 17 GND 18 DIR 19 GND 20 21 GND 22 WDATA 23 GND 24 WGATE 25 GND 26 TRK0 27 GND 28 WRPROT 29 GND 30 RDATA 31 GND 32 HDSEL 33 GND 3...
Page 26: ...DP PCI Motherboard User s Guide Step 5 Attach Cables Continued IDE Drives Attach the IDE drives in the following manner Choose Peripheral Setup in WINBIOS Setup to enable the onboard IDE controller C...
Page 27: ...12 is a 40 pin dual inline berg that connects an IDE drive to the primary onboard IDE connector This motherboard supports IDE Modes 0 1 2 3 and 4 IDE prefetch LBA Logical Block Address mode high capac...
Page 28: ...18 DATA15 19 GND 20 KEY N C 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pullup 29 ACK 30 GND 31 INT14 32 N C 33 HA1 34 N C 35 HA0 36 HA2 37 CS0 38 CS1 39 IDEACT 40 GND J10 Secondary IDE Co...
Page 29: ...2 GND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 KEY N C 21 REQ 22 GND 23 IOW 24 GND 25 I...
Page 30: ...upport if there are problems BIOS Errors If the system operates normally a display should appear on the monitor The BIOS Power On Self Test POST should execute If POST does not run successfully it wil...
Page 31: ...ich gains control when the computer is powered on The system parameters are configured by a system BIOS Setup utility Historically BIOS Setup utilities have been character based required keyboard inpu...
Page 32: ...k to perform an operation in the selected field Using the Keyboard with WINBIOS Setup WINBIOS has a built in keyboard driver that uses simple keystroke combinations Keystroke Action Tab Change or sele...
Page 33: ...in Windows The WINBIOS Setup main windows are WINBIOS Setup Windows See Section The Setup icons allow you to set system configuration options such as date time hard disk type and floppy type 1 The Uti...
Page 34: ...meter screen The SCSI drivers provided by the SCSI drive or SCSI host adapter manufacturer should allow you to configure the SCSI drive IDE Select Type Select Auto to let AMIBIOS determine the paramet...
Page 35: ...ry on the hard disk compensates for the physical difference in sector size by boosting the write current for sectors on inner tracks This parameter is the track number on the disk surface where write...
Page 36: ...00 732 17 43 MB 22 733 5 300 733 17 30 MB 23 306 4 0 336 17 10 MB 24 925 7 0 925 17 54 MB 25 925 9 65535 925 17 69 MB 26 754 7 754 754 17 44 MB 27 754 11 65535 754 17 69 MB 28 699 7 256 699 17 41 MB 2...
Page 37: ...fies if error messages are displayed if a keyboard is not attached This option permits you to configure workstations with no keyboards The settings are Absent or Present The Optimal and Fail Safe defa...
Page 38: ...se On Configuration Screen This option specifies the length of time that the AMIBIOS configuration screen appears The settings are 2 seconds 3 4 5 6 7 8 9 10 11 12 13 14 or Disabled The Optimal and Fa...
Page 39: ...l Safe default settings are Disabled Quick Boot Set this option to Enabled to allow the BIOS to boot to the operating system within 5 seconds after the computer power switch is turned on The settings...
Page 40: ...l and Fail Safe default settings are Absent Setting Description Absent To comply with the PCI specifications PCI adapter cards must be reset every time the CPU is reset When the end user forces a soft...
Page 41: ...ng is Cached The Fail Safe default setting is Disabled Shadow C800 16K Shadow CC00 16K Shadow D000 16K Shadow D400 16K Shadow D800 16K Shadow DC00 16K These options enable shadowing of the contents of...
Page 42: ...memory will resolve the problem Most DRAM errors are soft errors If a hard uncorrectable error occurs writing the fixed data back to DRAM system memory does not solve the problem In this case the sec...
Page 43: ...SWC Video Frame Buffer Set this option to Enabled to enable the USWC memory attribute and improve video performance when a PCI video adapter is installed However VGA card drivers may not behave correc...
Page 44: ...it option is set to Disabled The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled Watchdog Timer This motherboard has an integrated system watchdog timer The wa...
Page 45: ...e between consecutive 16 bit I O operations The length of the delay is related to the CPU type and frequency The settings are 1 Sysclock 2 Sysclocks 3 Sysclocks 4 Sysclocks or Disabled The Optimal and...
Page 46: ...m inactivity while the computer is in Full power on state When this length of time expires the computer enters a low power consumption state but the computer can return to full power instantly when an...
Page 47: ...expired The settings are Off Standby Suspend or Disabled The Optimal and Fail Safe default settings are Disabled Hard Disk Power Down Mode This option specifies the power conserving state that the ha...
Page 48: ...ngth of a period of system inactivity while in Standby state When this length of time expires the computer enters Suspend power state The settings are Disabled 1 min minute 2 min 3 min 4 min 5 min 6 m...
Page 49: ...ed IRQ line The computer enters the Full On state if any activity occurs AMIBIOS reloads the Standby and Suspend timeout timers if activity occurs on the specified IRQ line The settings for each of th...
Page 50: ...palette registers and the ISA VGA device palette registers permitting the palette registers of both devices to be identical This option must be set to Enabled if any ISA adapter card installed in the...
Page 51: ...e options to reserve the IRQ by assigning an ISA EISA setting to it Onboard I O is configured by AMIBIOS All IRQs used by onboard I O are configured as PCI PnP IRQ12 only appears if the Mouse Support...
Page 52: ...ze of the memory area reserved for legacy ISA adapter cards The settings are Disabled 16K 32K or 64K The Optimal and Fail Safe default settings are Disabled Reserved ISA Card Memory Address This optio...
Page 53: ...oth The Optimal and Fail Safe default settings are Disabled Onboard IDE Bus Master Set this option to Enabled if the onboard IDE controller is a PCI bus mastering device The settings are Enabled or Di...
Page 54: ...and Fail Safe default settings are Primary Offboard PCI IDE Primary IRQ Offboard PCI IDE Secondary IRQ These options specify the PCI interrupt used by the primary and secondary IDE channels if an off...
Page 55: ...t setting is Disabled Serial Port2 Address This option specifies the base I O port address for serial port 2 The settings are 2F8h 2E8h or Disabled The Optimal default setting is 2F8h The Fail Safe de...
Page 56: ...ices that adhere to the Enhanced Parallel Port EPP specification EPP uses the existing parallel port signals to provide asymmetric bidirectional data transfer driven by the host device ECP The paralle...
Page 57: ...must be set first The system can be configured so that all users must enter a password every time the system boots or when WINBIOS Setup is executed using either or both the Supervisor password or Use...
Page 58: ...n The password is encrypted and stored in NVRAM As shown on the above screen you are prompted for a 1 6 character password You can either type the password on the keyboard or select each letter of the...
Page 59: ...d of the new password when the password is changed If you forget the password you must erase the system configuration information in NVRAM Non Volatile Random Access Memory Anti Virus When this icon i...
Page 60: ...screen in a different language If you choose to display the WINBIOS Setup screen text in a different language the text for the screen messages written in the selected language must have been incorpor...
Page 61: ...BIOS Setup when you first began this WINBIOS Setup session Optimal You can load the optimal default settings for the WINBIOS by selecting the Optimal icon The Optimal default settings are best case va...
Page 62: ......
Page 63: ...l the access light on the floppy drive comes on It may take 10 seconds or more before this light turns on 4 Release the Ctrl and Home keys AMIBIOS issues a series of beep codes that indicate that the...
Page 64: ...t programmed Should you inadvertently open the disk drive door or turn power off to the computer while programming the Flash EPROM the bootblock will be unaffected Simply turn power back on and begin...
Page 65: ...p codes and when they can occur are Number of Beeps Description 1 Insert diskette in floppy drive A 2 The AMIBOOT ROM file was not found in the root directory of the diskette in floppy drive A 3 Base...
Page 66: ...f any E9h Program the CPU clock dependent chip set parameters EAh Enable the timer and the floppy diskette interrupt Enable the internal cache Copy the boot block BIOS and pass control to the boot blo...
Page 67: ...Important Make sure you are properly grounded before performing the following procedure You must be certain that no electrostatic discharge ESD occurs ESD can ruin your motherboard Wear an antistatic...
Page 68: ...board in the anti static bag until it is to be installed Wear an anti static wrist grounding strap before handling the motherboard Make sure you stand on an anti static mat when handling the motherboa...
Page 69: ...e they will be the hottest motherboard components Temperature specifications vary with the CPU frequency Frequency Heat Sink Airflow over CPU Airflow over other components Temperature Range 133 150 16...
