Acer Extensa 450 Maintenance Manual
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Table B-9 Memory Board Connector Pin Assignments (J10) Main Board Pin No.Main Board Pin Name Main Board I/OMemory Board Pin No.Memory Board Pin Name 1 KMCLK Output 1 KMCLK 2 KMDATA I/O 2 KMDATA 3 KBDATA I/O 3 KBDATA 4 KBCLK Output 4 KBCLK 5XD0I/O5XD0 6XD1I/O6XD1 7XD2I/O7XD2 8XD3I/O8XD3 9XD4I/O9XD4 10 XD5 I/O 10 XD5 11 XD6 I/O 11 XD6 12 XD7 I/O 12 XD7 13 IRQ1 Input 13 IRQ1 14 IRQ12 Input 14 IRQ12 15 RST0# Output 15 RST0# 16 GND -- 16 GND 17 KBCS# Output 17 KBCS# 18 GND -- 18 GND 19 SA2 I/O 19 SA2 20...
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Main Board Pin No.Main Board Pin Name Main Board I/OMemory Board Pin No.Memory Board Pin Name 30 GND -- 30 GND 31 VCC Output 31 VCC 32 HDD_LED# Output 32 HDD_LED# 33 SLPLED Output 33 SLPLED 34 M/K# Output 34 M/K# 35 VCC Output 35 VCC 36 VCCSB Output 36 VCCSB 37 SYSREST Output 37 SYSREST 38 BT2_QCHG Output 38 BT2_QCHG 39 BT1_QCHG Output 39 BT1_QCHG 40 VCC Output 40 VCC 41 LED# Output 41 LED# 42 AD5V Output 42 AD5V 43 VCC Output 43 VCC 44 N.C. -- 44 N.C. 45 VCC Output 45 VCC 46 N.C. -- 46 N.C. 47 N.C. --...
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C PC-Doctor Diagnostics C.1 Introduction The Extensa Series Notebooks are shipped with PC-Doctor, a powerful diagnostics tool that can help you determine the hardware configuration of a local or remote system, benchmark its performance, analyze the performance of all subsystems, and perform a suite of interactive and non-interactive tests on attached devices (such as printers, joystick devices, VGA monitors, SCSI devices, CD-ROM drives). The test results are stored in a log which can be printed out (by...
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C.3 Keyboard Navigation The keys shown in Table C-1 can be used to navigate through the PC-Doctor menus: Table C-1 PC-Doctor Key Assignments In addition, when you select All Tests from the Diagnostics menu, the Test Selection Menu that appears uses the keys listed in Table C-2: Table C-2 Test Selection Menu Special Keys C.4 Mouse Navigation You can also use a mouse with the user interface. Use the left mouse button to choose objects (menu entries and action codes in square brackets). Use the right...
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C.5 PC-Doctor Menus There are several selections available from the menu bar of the PC-Doctor Diagnostics main menu. These include: ·? ·Diagnostics ·Interactive Tests ·Hardware Info ·Utility ·Quit C.5.1 Online Help (?) To obtain context sensitive help from any menu, press F1 . Pressing F1 twice (or clicking on the question mark in the upper left-hand corner of the menu) provides you with complete online documentation. C.5.2 Diagnostics The Diagnostics menu allows you to run non-destructive tests with...
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·Pass Count - selects how many times tests are repeated. The highest limit is 9999 times. ·Test Logging - opens the Log Options menu that lets you define how test results are printed or stored to a file during testing. By default, PC-Doctor produces a test result file at the end of testing if an error was detected. ·Switch LCD - lets you change your video output to either the internal LCD, external monitor, or simulscan mode. If your system does not support simulscan, both the external monitor and...
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C.5.4 Hardware Info Menu This menu contains functions that determine and report on the setup of the computer. None of these functions perform diagnostic tests; however any errors are included in the reports. The following functions are available from the Hardware Info menu: ·System Configuration - lists main system configuration data. ·Memory Contents - shows allocation and use of system memory ·IRQ and DMA use - identifies interrupts for all standard IRQ and DMA devices ·Device Drivers - shows all...
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·Memory Debugger - displays memory contents in either hexadecimal, decimal, or ASCII form ·Remote Operation - enables remote control if available ·Tech Support Form - allows you to collect information about the current system ·Battery Rundown - quickly deep-discharges the NiMh battery of a laptop computer. C.6 Quitting PC-Doctor You can quit PC-Doctor in the following ways: ·Exit (Alt-F4 ) - ·Reboot - performs a cold boot. PC-Doctor flushes all files and attempts to flush write-caches ·Park HD -...