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Acer Extensa 900 Series, User Manual

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Acer Extensa 900 Series User Manual Download Page 4

1-4

User’s Guide

1.3

Jumpers and Connectors

1.3.1

Jumper and Connector Locations

Figure 1-2 shows the jumper locations on the system board.  The
blackened pin on a jumper represents pin 1.

Figure 1-2

Jumper Locations

Jumpers are prefixed “JP”.  Connectors are
prefixed “CN”.  FA1 to FA5 are fan
connectors.

The blackened pin of a jumper represents
pin 1.

Summary of Contents for Extensa 900 Series

Page 1: ...ckets support both EDO and fast page mode SIMMs A second level cache socket is available for a 256 KB or 512 KB synchronous SRAM module A 50 pin Fast SCSI II interface with 10 MB s transfer rate and a...

Page 2: ...hree EISA and four PCI expansion slots 256 KB Flash ROM for system BIOS RTC chip that contains clock calendar plus 128 bytes CMOS RAM with battery backup 50 pin Fast SCSI II and 68 pin Wide SCSI inter...

Page 3: ...mouse connector 3 PCI slots 4 Keyboard controller 5 EISA slots 6 Video RAM 7 Video RAM upgrade socket 8 CPU voltage regulator 9 Buzzer 10 CPU socket 11 CPU voltage regulator 12 Cache module socket 13...

Page 4: ...Locations Figure 1 2 shows the jumper locations on the system board The blackened pin on a jumper represents pin 1 Figure 1 2 Jumper Locations Jumpers are prefixed JP Connectors are prefixed CN FA1 to...

Page 5: ...rsion JP8 1 2 2 3 Acer Generic Password Security JP9 1 2 2 3 Enabled Bypass PC Sound Source JP10 1 2 2 3 Buzzer Speaker Front Panel Reset JP11 1 2 2 3 Enabled Disabled CPU Type JP17 JP18 JP19 1 2 2 3...

Page 6: ...igh byte terminator OFF Core Bus Freq JP4 JP5 JP7 JP4 JP5 JP7 2 3 2 3 1 2 1 2 1 2 2 3 2 3 1 2 2 3 2 3 2 3 2 3 1 2 2 3 3 4 1 2 1 2 3 4 2 3 1 2 3 4 2 3 2 3 3 4 Bus Freq Core Freq Ratio 50 MHz 75 MHz 3 2...

Page 7: ...wer connector for 300 watt SPS CN5 Parallel port connector CN6 Diskette drive connector CN7 IDE drives connector CN8 Remote diagnostic module RDM connector CN9 Remote diagnostic module RDM connector C...

Page 8: ...component from its packaging unless you are ready to install it 2 Wear a wrist grounding strap before handling electronic components Wrist grounding straps are available at most electronic component s...

Page 9: ...oard These components save you the trouble of buying a video board and save one bus slot for another expansion board The daughter board carries an external video port To install simply plug in the dau...

Page 10: ...llation Follow these steps to install a Pentium CPU 1 Pull up the socket lever 2 Insert the CPU making sure that the pin 1 of the CPU connects to pin 1 of the socket Be careful not to bend any pins 3...

Page 11: ...CPU socket Figure 1 6 Installing the CPU Heat Sink and Fan To remove the heat sink and fan simply press the upper part of the rear hook inward 6 Attach the CPU fan cables to the connectors on the boar...

Page 12: ...may combine different types of SIMMs for a particular memory configuration as long as the SIMMs in each bank are of the same type Always install SIMMs in pairs For example for a total memory of 16 MB...

Page 13: ...6 MB 16 MB 8 MB 8 MB 48 MB 16 MB 16 MB 8 MB 8 MB 4 MB 4 MB 56 MB 8 MB 8 MB 8 MB 8 MB 16 MB 16 MB 64 MB 4 MB 4 MB 8 MB 8 MB 32 MB 32 MB 88 MB 16 MB 16 MB 16 MB 16 MB 16 MB 16 MB 96 MB 32 MB 32 MB 8 MB...

Page 14: ...M fits only in one direction If you slip in a SIMM but would not completely fit you may have inserted it the wrong way Reverse the orientation of the SIMM 2 Gently push the SIMM to a vertical position...

Page 15: ...SIMM Follow these steps to remove a SIMM 1 Press the holding clips on both sides of the SIMM outward to release it 2 Push the SIMM downward to a 45o angle 3 Pull the SIMM out of the socket Figure 1 8...

Page 16: ...atch the value stored in CMOS 2 Press during the power on self test POST routine to run Setup During POST a message indicating a wrong memory configuration appears 3 Press twice to exit Setup and rebo...

Page 17: ...s pipeline burst cache module The cache module socket supports either a 256 KB or 512 KB 3 3V cache module Follow these steps to install a cache module 1 Position the cache module on top of the socket...

Page 18: ...able to 1 MB Follow these steps to upgrade the video memory 1 Locate the video DRAM upgrade socket labeled U44 on the system board See Figure 1 1 2 Gently insert a 514260ASL 256K x 16 70ns SOJ chip in...

Page 19: ...s SCSI devices 1 10 1 Using the SCSI Feature Follow these steps to use the SCSI feature 1 Install a SCSI device in the system and connect it to the SCSI interface on the system board See Figure 1 1 fo...

Page 20: ...e to system failure Refer to the RDM user s manual for more information 1 11 2 ASM Pro The ASM Pro is a server management tool based on the Simple Network Management Protocol SNMP It detects server pr...

Page 21: ...Error Messages Software error messages are returned by your operating system or application These messages typically occur after you boot the operating system or when you run your application If you r...

Page 22: ...n Setup and select the proper drive type Diskette Drive B Type Mismatch Run Setup and select the proper drive type Equipment Configuration Error Modify DRAM configuration to agree with one of the opti...

Page 23: ...echnical assistance Onboard Serial Port 1 Conflict Run Setup and disable the port Onboard Serial Port 2 Conflict Run Setup and disable the port Onboard Parallel Port Conflict Run Setup and disable the...

Page 24: ...s a major cause of power on error messages especially for a new system 2 Remove the system cover following the directions in the housing installation manual Check that the jumpers on the system board...

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