Reassembly Notes

∙Insert the RAM board into the connector at about a 30° angle until it is fully inserted. Then press down at both sides until both latches snap closed.

Removing the Hard Disk Drive

(User-Replaceable)

Table 2-5. Hard Disk Drive Replacement Part Numbers

Description

Part Number

Exchange

OmniBook

 

 

 

Part Number

4150B

4150†

 

4100

Drive, hard disk (4.0GB, 12.7mm, IBM)

0950-2671

F1386-69100

 

 

 

∙

Drive, hard disk (4.0GB, 12.7mm, Toshiba)

0950-2865

F1386-69101

 

 

 

∙

Drive, hard disk (4.3GB, 9.5mm, IBM)

0950-3409

F1711-69100

 

∙

 

∙

Drive, hard disk (4.8GB, 9.5mm, IBM) *

0950-3611

F1711-69102

∙

∙

 

∙

Drive, hard disk (6.4GB, 9.5mm, IBM) *

0950-3442

F1711-69101

∙

∙

 

∙

Drive, hard disk (6.4GB, 12.7mm, IBM)

0950-2785

F1475-69100

 

∙

 

∙

Drive, hard disk (6.4GB, 8.4mm, Toshiba)

0950-3675

F1475-69102

∙

∙

 

∙

Drive, hard disk (6.4GB, 12.7mm, Toshiba)

0950-3397

F1475-69101

 

∙

 

∙

Drive, hard disk (10.1 GB, 12.5mm, IBM) *

0950-3443

F1744-69101

∙

∙

 

 

*These hard drives are the preferred drives at the time of publication. Drives shipped in units are subject to change without notice. For current information about preferred and approved drives for these products, see the latest version of service note HDD-01.

†Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number.

Required Equipment

∙Small Phillips screwdriver.

∙Small flat-blade screwdriver.

Removal Procedure

1.Unplug the ac adapter, if present, and remove the battery.

2.Turn the unit bottom side up.

3.Remove the hard drive screw from the bottom case.

4.Pull out the hard drive by its plastic tab.

Screw, M3×4mm

Figure 2-3. Removing the Hard Disk Drive

HP OmniBook 4100/4150

Removal and Replacement

2-5