Acer Extensa 390 Service Guide
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xiList of Tables 1-1CPU Mounting Reference Table...........................................................................1-5 1-2SW1 Switch Settings...........................................................................................1-8 1-3Memory Address Map..........................................................................................1-9 1-4Interrupt Channel Map.........................................................................................1-9 1-5DMA Channel Map..............................................................................................1-10 1-6I/O Address Map.................................................................................................1-10 1-7Processor Specifications.....................................................................................1-11 1-8BIOS Specifications............................................................................................1-11 1-9Memory Configurations.......................................................................................1-12 1-10Video RAM Configuration....................................................................................1-13 1-11Video Hardware Specification.............................................................................1-13 1-12Supported External CRT Resolutions..................................................................1-13 1-13Supported LCD Resolutions................................................................................1-14 1-14Parallel Port Configurations................................................................................1-14 1-15Serial Port Configurations...................................................................................1-15 1-16Audio Specifications...........................................................................................1-15 1-17PCMCIA Specifications.......................................................................................1-16 1-18Touchpad Specifications.....................................................................................1-16 1-19Keyboard Specifications......................................................................................1-16 1-20Windows 95 Key Descriptions.............................................................................1-17 1-21FDD Specifications.............................................................................................1-17 1-22HDD Specifications.............................................................................................1-18 1-23CD-ROM Specifications......................................................................................1-18 1-24Battery Specifications.........................................................................................1-19 1-25Charger Specifications........................................................................................1-20 1-26DC-DC Converter Specifications.........................................................................1-20 1-27DC-AC Inverter Specifications............................................................................1-21 1-28LCD Specifications.............................................................................................1-21 1-29AC Adapter Specifications..................................................................................1-22 1-30Hotkey Descriptions............................................................................................1-23 1-31Standby Mode Conditions and Descriptions........................................................1-25 1-32Light Green Mode Conditions and Descriptions...................................................1-26 1-33Hibernation Mode Conditions and Descriptions...................................................1-27 1-34Display Standby Mode Conditions and Descriptions............................................1-27
xii1-35Hard Disk Standby Mode Conditions and Descriptions........................................1-28 1-36Location of Drivers in the System Utility CD........................................................1-29 1-37Location of Applications in the System Utility CD................................................1-30 1-38Environmental Requirements..............................................................................1-33 1-39Mechanical Specifications...................................................................................1-34 2-1Major Chips List....................................................................................................2-1 2-2PCI1250 Terminal Functions.................................................................................2-5 2-3M1531 Signal Descriptions..................................................................................2-24 2-4M1531 Numerical Pin List...................................................................................2-28 2-5M1533 Numerical Pin List...................................................................................2-40 2-6FDC37C67 Pin Descriptions...............................................................................2-52 2-7FDC37C67 Multifunction Pin Descriptions...........................................................2-55 2-865555 Pin Functions...........................................................................................2-66 2-9M38813M4-XXXHP Functions.............................................................................2-77 2-10M38813M4-XXXHP Pin Description....................................................................2-79 2-11YMF715 Descriptions..........................................................................................2-83 3-1Basic System Settings Parameters.......................................................................3-3 3-2Startup Configuration Parameters.........................................................................3-4 3-3Onboard Devices Configuration Parameters.........................................................3-6 3-4System Security Parameters.................................................................................3-8 3-5Power Management Settings Parameters.............................................................3-9 4-1Guide to Disassembly Sequence..........................................................................4-4 B-1Exploded View Diagram List................................................................................B-1 C-1Spare Parts List...................................................................................................C-1 D-1Schematics List...................................................................................................D-1 E-1POST Checkpoint List..........................................................................................E-1
C h a p t e r 1 C h a p t e r 1 System IntroductionSystem Introduction1-11.1 Overview This computer combines high-performance, versatility, power management features and multimedia capabilities with unique style and ergonomic design. This computer was designed with the user in mind. Here are just a few of its many features: · Performance · Intel Pentium® processor with MMX™ technology · 64-bit main memory and external (L2) cache memory · Large LCD display and PCI local bus video with graphics acceleration · Internal CD-ROM drive and external 3.5-inch floppy drive, or internal 3.5-inch floppy drive · High-capacity, Enhanced-IDE hard disk · Lithium-Ion or Nickel Metal-Hydride battery pack · Power management system with light green, standby and hibernation power saving modes · Multimedia · 16-bit high-fidelity stereo audio with 3-D sound · Built-in dual speakers · Ultra-slim, high-speed CD-ROM drive · Connectivity · High-speed fax/data modem port · Fast infrared wireless communication · USB (Universal Serial Bus) port · Human-centric Design and Ergonomics · Lightweight and slim · Sleek, smooth and stylish design · Full-sized keyboard and wide palmrest · Ergonomically-centered touchpad pointing device · Expansion · CardBus PC card (formerly PCMCIA) slots (two type II/I or one type III) with ZV (Zoomed Video) port support · Port replicator option for one-step connect/disconnect from peripherals · User-upgradeable memory and hard disk
1-2Service Guide1.2 System Board Layout 1.2.1 MainboardFigure 1-1PCB No. 96183-1A Mainboard Layout (Top)
System Introduction1-3Figure 1-2PCB No. 96183-1A Mainboard Layout (Bottom)
1-4Service Guide1.2.2 CPU BoardFigure 1-3PCB No. 96534-SE CPU Board Layout (Top)Figure 1-4PCB No. 96534-SE CPU Board Layout (Bottom)
System Introduction1-5 The following table is a reference when mounting1
the CPU.
Table 1-1CPU Mounting Reference Table
Volt.Ext FreqRatioCPUVoltFreqR4R6R8R11R20R22R24R26RX14RY1RX6RX9RX11RX12UX2UX3P55C-133MHz2.5V133=66x2VXVXVXXVVXVXXXXXP55C-150MHz2.5V150=60x2.5VXVVXXVVVXVXXXXXP55C-166MHz2.5V166=66x2.5VXVXXXVVVXVXXXXXTLMK-200MHz1.8V200=66x3XXVXXVVXVXXVVVVVTLMK-233MHz1.8V233=66x3.5XXVXVVXXVXXVVVVVTLMK-266MHz2.0V266=66x4XVVXXXVVXVXVVVVV1.2.3 Audio BoardFigure 1-5PCB No. 97355-1 Audio Board
1.2.4 Battery BoardFigure 1-6PCB No. 97348-1 Battery Board
1
V: mount on; X: not mount on
1-6Service Guide1.2.5 Keyboard/Touchpad BoardFigure 1-7PCB No. 97349-1 Keyboard/Touchpad Board (Top View)Figure 1-8PCB No. 97349-1 Keyboard/Touchpad Board (Bottom View)
System Introduction1-7 1.3 Jumpers and Connectors TOP VIEW CN1USB portCN14Audio board cable connector CN2Parallel portCN15Internal speaker connector (right) CN3Serial portCN16PCMCIA socket connector CN4VGA portCN17FDD/CD-ROM connector CN5Port replicator portCN18Internal keyboard/touchpad connector CN6RJ-11 phone jackCN19HDD connector CN7DC-DC connector CN20CD-ROM connector CN8Inverter connector CN21CPU board connector CN9LCD connectorCN22Battery connector CN10Charger connectorGF1Golden finger for debug card CN11Charger connectorSW1KB/password/logo setting switch CN12Fan connectorU1FIR port CN13Internal speaker connector (left) Figure 1-9Jumpers and Connectors (Top View)CN1 CN4 CN5 CN8 CN12 CN2 CN3 U1GF1CN15 CN14 CN17 CN21 CN20 CN22CN6 CN9 CN16 SW1 CN18 CN19CN7 CN11 CN10 CN13
1-8Service GuideBOTTOM VIEWCN23 Modem connector CN24 Modem connector DIMMDIMM sockets Figure 1-10Jumpers and Connectors (Bottom View) The following tables list the switch settings for SW1. Table 1-2SW1 Switch SettingsONOFFSwitch 1 (Logo Screen)OEMAcerSwitch 2 (Password)BypassCheckGermanyU.S.JapaneseSwitch 3 (KB Language)OnOffOffSwitch 4 (KB Language)OffOffOnCN24 CN23 DIMM