MiTAC 7521 PLUS/N Service Manual & Troubleshooting Manual

37, 36 7521 7521 N/B MAINTENANCE N/B MAINTENANCE 1.5.10 IR port  HP HSDL-3600#007 FIR Module - Meet IrDA Physical Layer Specification - 1 cm to 1 Meter Operating Distance - 30 degree Viewing Angle - Support Two Channels - 2.4 Kb/s to 115.2Kb/s and 1.15Mb/s to 4.0 Mb/s 1.5.11 CMOS Battery �…

83, MiTAC 7521 PLUS/N 82 7521 7521 N/B MAINTENANCE N/B MAINTENANCE 6. Replace the base unit frame and secure with twelve screws. 7. Replace the battery pack, heatsink, modem card, FDD/HDD module, and CD-ROM drive. 8. Secure the four screws on the rear side of the notebook. 9. Put the notebook back …

68, 67 7521 7521 N/B MAINTENANCE N/B MAINTENANCE 5.2.3 Modem Card Disassembly 1. Carefully put the notebook upside down. 2. Remove one screw locking the modem card compartment cover, and then lift the cover up. (figure 5-5) Figure 5-5 Figure 5-6 3. Remove one screw fastening the connector boa…

54, 53 7521 7521 N/B MAINTENANCE N/B MAINTENANCE 4. Pin Descriptions Of Major Components 4.2 SiS630 Slot 1/Socket 370 2D/3D Ultra-AGP™ Single Chipset Host Bus Interface Name Tolerance Power Plane Type Attr Description CPUCLK 3.3V/5V MAIN I Host Clock : ADS# 1.5V MAIN I/O GTL+ Address Str…

27, 26 7521 7521 N/B MAINTENANCE N/B MAINTENANCE 1.2.13.3 Flash ROM (BIOS) 7521 system utilizes the state-of-the-art Flash EEPROM technology. User can upgrade the system BIOS in the future just running the program from MiTAC. 1.2.13.4 LED Indicators System has ten status LED indicato…