MiTAC M722 Service Manual & Troubleshooting Manual

57, 56 M722 N/B MAINTENANCE M722 N/B MAINTENANCE 3.2 Intel 82443MX Host Bridge Controller RTC Power Pins Name Description V CCRTC Power for RTC Well. 2.0V-3.3V. This power is not expected to be shut off unless the RTC batter…

98, 97 M722 N/B MAINTENANCE M722 N/B MAINTENANCE 6.4 MEMORY TEST ERROR MEMORY TEST ERROR 1. Check if on board SDRAM chips are no cold solder. 2. Check the extend SDRAM module is installed properly. ( J502) 3. Confirm the SDRAM socket is ok, no band pins. Test OK? NO Try another kno…

2, 1 M722 N/B MAINTENANCE M722 N/B MAINTENANCE 0. HARDWARE ENGINEERING SPECIFICATION …………………….. 1. DEFINITION & LOCATION CONNECTORS/ SWITCHES ………….. 2. DEFINITION & LOCATION MAJOR COMPONENTS ……………….. 3. PIN DESCRIPTIONS OF MAJOR COMPONENTS …

82, 81 M722 N/B MAINTENANCE M722 N/B MAINTENANCE 5.2.12 CD-ROM Transfer Board Disassembly 1. Remove the system board and CD-ROM transfer board from the base. (See section 5.2.11.) 2. Put the system board upside down. 3. Unplug the cables from the system board. Reassembly 1. Reconnec…

103, MiTAC M722 102 M722 N/B MAINTENANCE M722 N/B MAINTENANCE 6.7 HARD DRIVE TEST ERROR Either an error message is shown , or the driver motor continues spinning , while reading data is from or writing data is to hard drive. CABLE HARD DRIVE U516 BANISTER J6 IDE_CS# [1,3] IDE_A[ 0~2] IRQ14 IDEPDACK#…

71, 70 M722 N/B MAINTENANCE M722 N/B MAINTENANCE 5.2.4 ID Cover Disassembly 1. Remove the battery pack . (See section 5.2.1.) 2. Remove twelve bottom screws as shown below. NOTE: You don’t have to remove five other screws that can be found on the bottom. To avoid mistakes, these holes are identi…