ICH9M-EM SATA AHCI Controller Driver

If the blue scree on death appears on your HP Pavilion dv2550se while installing windows xp, you need ICH9M-EM SATA AHCI Controller Driver.

ICH9M-EM SATA AHCI Controller Driver

Incorporate the driver into your Windows XP installation CD by using software such as nLite.

ICH9M-EM SATA AHCI Controller Driver
File name: sp39548.exe [1/1, 21.12M]
Version: 8.0.0.1039 A
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To perform Slipstream Guide you can read my tutorial here:
Slipstream Guide To install windows XP Drivers