1170 DSP Card or ESS Card
 Diskette Drive or CD-ROM Drive (1020)
 Battery Pack (1030)
 Hard Disk Drive (1040)
 Top Cover (1060)
 Keyboard Unit (1070)
 LCD Unit (1080)
 Front IR and Rear IR (1090)
 System Board Assembly (1110)
 Upper Shield (1120)
 External FDD Connector (1130)
 Video Card (1140)
 DC/DC Card and Module Jack (1160)
When replacing:
1. The following figure shows the microphone cable
path:
2. When replacing the DSP card, make sure that the
connector on the card is not loose. If the connector
does not connect properly, no sound will be
produced.
Step Size (quantity) Torque
.1/ M2.5 x 4 mm, Nylon (1) 4 kgcm
Note: Make sure you use the correct screw and tighten the
screw to the torque specified. Do not use the screw that you
removed, use a new screw.
480 IBM Mobile Systems HMM
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