Acer Extensa 365 Service Guide
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&KDSWHU &KDSWHU System Introduction System Introduction1-1 1.1 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 (CD-ROM drive model) · Internal 3.5-inch floppy drive (FDD model) · High-capacity, Enhanced-IDE hard disk · 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 · 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 · User-upgradeable memory and hard disk
1-2Service Guide 1.2 Jumpers and Connectors TOP VIEW CN1 USB port CN9 Internal speaker connector (left) CN17 CPU board connector CN2 VGA port CN10 Internal speaker connector (right) CN18 Battery connector CN3 Parallel port CN11 PCMCIA socket connector SW1 KB/password/logo setting CN4 Serial port CN12 Inverter connector switch CN5 RJ-11 phone jack CN13 FDD/CD-ROM connector GF1 Golden finger for debug card CN6 LCD connector CN14 Internal keyboard/touchpad connector PH1 Microphone connector CN7 DC-DC connector CN15 HDD connector PH2 Line-In connector CN8 Charger connector CN16 CD-ROM connector PH3 Line-out connector Figure 1-1 Jumpers and Connectors (Top View) CN1 CN2 PH1 PH2 PH3 CN9 CN10 CN3 CN4 GF1 CN12 CN13 CN16 CN17 CN5 CN6 CN11 SW1 CN14 CN15CN7 CN8 CN18 PCB No. 97160-1
System Introduction1-3 BOTTOM VIEW CN19 Modem connector CN20 Modem connector CN21 DIMM socket Figure 1-2 Jumpers and Connectors (Bottom View) The following tables list the switch settings for SW1. Table 1-1 SW1 Switch Settings ONOFF Switch 1 (Logo Screen)OEM Acer Switch 2 (Password)Bypass Check EnglishEuropeanJapaneseKorean Switch 3 (KB Language)Off On Off On Switch 4 (KB Language)Off Off On On CN20 CN19 CN21 PCB No. 97160-1
1-4Service Guide 1.3 Hardware Configuration and Specification 1.3.1 Memory Address Map Table 1-2 Memory Address Map Address RangeDefinitionFunction 000000 - 09FFFF 640 KB memory Base memory 0A0000 - 0BFFFF 128 KB video RAM Reserved for graphics display buffer 0C0000 - 0CBFFF Video BIOS Video BIOS 0F0000 - 0FFFFF 64 KB system BIOS System BIOS 100000 - top limited Extended memory SIMM memory FE0000 - FFFFFF 256 KB system ROM Duplicate of code assignment at 0E0000-0FFFFF 1.3.2 Interrupt Channel Map Table 1-3 Interrupt Channel Map PriorityInterrupt NumberInterrupt Source 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19SMI NMI IRQ 0 IRQ 1 IRQ 2 IRQ 8 IRQ 9 IRQ 10 IRQ 11 IRQ 12 IRQ 13 IRQ 14 IRQ 15 IRQ 3 IRQ 4 IRQ 5 IRQ 6 IRQ 7Power management unit Parity error detected, I/O channel error Interval timer, counter 0 output Keyboard Interrupt from controller 2 (cascade) Real-time clock / Cascaded to INT 0AH (IRQ 2) / Audio / PCMCIA/Internal Modem Audio (option) / PCMCIA / Internal modem / Serial communication port 2 / PCMCIA / USB Audio (option) / PCMCIA / Internal modem / Serial communication port 1 / PCMCIA PS/2 mouse INT from coprocessor Hard disk controller / PCMCIA controller CD-ROM controller / PCMCIA controller Serial communication port 2 / Internal modem / Audio / PCMCIA Serial communication port 1 / Internal modem / Audio / PCMCIA Parallel port (option) / Audio / PCMCIA Diskette controller Parallel port (option) / Audio / Internal Modem
System Introduction1-5 1.3.3 DMA Channel Map Table 1-4 DMA Channel Map ControllerChannelAddressFunction 1 1 1 1 2 2 2 20 1 2 3 4 5 6 70087 0083 0081 0082 Cascade 008B 0089 008AAudio (option) / Audio Audio (option) / ECP / Audio Diskette Audio (option) / ECP Cascade Not support Not support Audio (option) 1.3.4 I/O Address Map Table 1-5 I/O Address Map Address RangeDevice 000 - 00F 020 - 021 040 - 043 048 - 04B 060 - 06E 070 - 071 080 - 08F 0A0 - 0A1 0C0 - 0DF 1F0 - 1F7 220 - 22F 230 - 23F 240 - 24F 250 - 25F 278 - 27F 2E8 - 2EF 2F8 - 2FF 378, 37A 3BC - 3BE 3B4, 3B5, 3BA 3C0 - 3C5 3C6 - 3C9 3C0 - 3CF 3D0 - 3DF 3E0 - 3E1 3E8 - 3EF 3F0 - 3F7 3F8 - 3FF CF8 - CFFDMA controller-1 Interrupt controller-1 Timer 1 Timer 2 Keyboard controller 8742 chip select Real-time clock and NMI mask DMA page register Interrupt controller-2 DMA controller-2 Hard disk select Audio (option) - default Audio (option) Audio (option) Audio (option) Parallel port 3 COM 4 COM 2 Parallel port 2 Parallel port 1 Video subsystem Video subsystem Video DAC Enhanced graphics display Color graphics adapter PCMCIA controller COM3 Floppy disk controller COM 1 PCI configuration register
1-6Service Guide 1.3.5 Processor Table 1-6 Processor Specifications ItemSpecification CPU type P55C-166, Tillamook-200/233 CPU package TCP Switchable processor speed (Y/N) Yes Minimum working speed 0MHz CPU core voltage 2.45V/1.8V/1.8V CPU I/O voltage 3.3V/2.5V/2.5V 1.3.6 BIOS Table 1-7 BIOS Specifications ItemSpecification BIOS vendor Acer BIOS version V3.0 BIOS in flash EPROM (Y/N) Yes BIOS ROM size 256KB BIOS package type 32-pin PLCC Same BIOS for STN color/TFT color (Y/N) Yes The BIOS can be overwritten/upgradeable using the AFLASH utility (AFLASH.EXE). Please refer to software specification section for details. 1.3.7 System Memory Memory is upgradeable from 16 to 80 MB, employing 16-/32-/64-MB 64-bit soDIMMs (Small Outline Dual Inline Memory Modules). After installing the memory modules, the system automatically detects and reconfigures the total memory size during the POST routines. The following lists important memory specifications. · Memory bus width: 64-bit · Expansion RAM module type:144-pin, 64-bit, small outline Dual Inline Memory Module (soDIMM)
System Introduction1-7 · Expansion RAM module size/configuration: · 8MB (1M*16x4) · 16MB (2M*8x8) · 32MB (4M*16x4) · 64MB (8M*8x8) · Expansion RAM module speed/voltage/package: 60ns/3.3v/TSOP EDO · EDO and fast-page mode DIMMs may be used together in a memory configuration. The following table lists all possible memory configurations. Table 1-8 Memory Configurations On BoardSlot 1Total Memory 16 MB 0 MB 16 MB 16 MB 16 MB 32 MB 16 MB 32 MB 48 MB 16 MB 64MB 80 MB 1.3.8 Second-Level Cache This notebook has 256KB second-level (L2) cache onboard. 1.3.9 Video Memory Table 1-9 Video RAM Configuration ItemSpecification Fixed or upgradeable Fixed, build in chip Memory size/configuration 1.1MB Memory speed 50ns Memory voltage 3.3V 1.3.10 Video Table 1-10 Video Hardware Specification ItemSpecification Video chip NeoMagic 2097 Working voltage 3.3V
1-8Service Guide External CRT Resolution Support Table 1-11 Supported External CRT Resolutions Resolution x Color on External CRT CRT Refresh RateSimultaneous on TFT LCD Simultaneous on STN LCD CRT only Simultaneous SVGA SVGA 640x480x16 60 60 Y Y 640x480x256 60,75,85 60 Y Y 640x480x65,536 60,75,85 60 Y Y 640x480x16,777,216 60,75,85 60 Y Y 800x600x256 60,75,85 60 Y Y 800x600x65,536 60,75,85 60 Y Y 1024x768x256 60,75,85 60 Y Y LCD Resolution Support Table 1-12 Supported LCD Resolutions Resolution x Color on LCD Only*TFT LCD (SVGA)DSTN LCD (SVGA) 640x480x16 Y Y 640x480x256 Y Y 640x480x65,536 Y Y 640x480x16,777,216 Y Y 800x600x256 Y Y 800x600x65,536 Y Y 1024x768x256 Y Y * Maximum resolution (External CRT): 1024x768 Using software, you can set the LCD to a higher resolution than its physical resolution, but the image shown on the LCD will pan. 1.3.11 Parallel Port Table 1-13 Parallel Port Configurations ItemSpecification Number of parallel ports 1 ECP support Yes (set by BIOS setup) Connector type 25-pin D-type Location Rear side Selectable parallel port (by BIOS Setup) · Parallel port : Enabled / Disabled · Base Address: 378h/278h/3BCH · IRQ: 7/ 5
System Introduction1-9 1.3.12 Serial Port Table 1-14 Serial Port Configurations ItemSpecification Number of serial ports 1 16550 UART support Yes Connector type 9-pin D-type Location Rear side Selectable serial port (by BIOS Setup)·Serial Port : Enabled / Disabled ·Base Address : 3F8h / 2F8h / 3E8h / 2E8h ·IRQ: 4 /11 1.3.13 Audio Table 1-15 Audio Specifications ItemSpecification Chipset YMF715 Audio onboard or optional Built-in Mono or stereo Stereo Resolution 16-bit Compatibility SB-16 , Windows Sound System Mixed sound sources Voice, Synthesizer, Line-in, Microphone, CD Voice channel 8-/16-bit, mono/stereo Sampling rate 44.1 kHz Internal microphone No Internal speaker / quantity Yes / 2 pcs. Microphone jack Yes Headphone jack Yes 1.3.14 PCMCIA PCMCIA is an acronym for Personal Computer Memory Card International Association. The PCMCIA committee set out to standardize a way to add credit-card size peripheral devices to a wide range of personal computers with as little effort as possible. There are two type II/I or one type III PC Card slots found on the left panel of the notebook. These slots accept credit-card-sized cards that enhances the usability and expandability of the notebook. ZV (Zoomed Video) port support allows your system to support hardware MPEG in the form of a ZV PC card.
1-10Service Guide Table 1-16 PCMCIA Specifications ItemSpecification Chipset O2 Micro OZ6833 Supported card type Type-II / Type-III Number of slots Two Type-II or one Type-III Access location Left side ZV (Zoomed Video) port support Yes 1.3.15 Touchpad Table 1-17 Touchpad Specifications ItemSpecification Vendor & model nameSynaptics TM3202TPD-226 Power supply voltage (V) 5 ± 10% Location Palm-rest center Internal & external pointing device work simultaneously Yes Support external pointing device hot plug Yes X/Y position resolution (points/mm) 20 Interface PS/2 (compatible with Microsoft mouse driver) 1.3.16 Keyboard Table 1-18 Keyboard Specifications ItemSpecification Vendor & model name SMK KAS1901-0161R (English) Total number of keypads 84/85 keys Windows 95 keys Yes, (Logo key / Application key): Internal & external keyboard work simultaneously Yes Windows 95 Keys The keyboard has two keys that perform Windows 95-specific functions. See Table 1-26.