You can download the driver here.
Lexmark Z612 Z614 Z615 Z617 Printer Driver for Windows XP / Server 2003 v1.0.4.2
Download Lexmark X1155 X1160 X1170 X1180 X1185 X1190 Windows XP / Server 2003 Driver v2.0.2.2
If the above link to the driver file not valid, please download here.
Lexmark X1155 X1160 X1170 X1180 X1185 X1190 Windows XP / Server 2003 Driver v2.0.2.2
Download PCI CMI8738 HPS56 Driver
Beside the official CMI8738 driver above, there is one more beta driver available: It is labeled as Open Source WDM Drivers for C-Media 8738/8768 based soundcards..
PCI CMI8738 HPS56 Driver
Download Creative CT4810 Sound Card Driver
Alternatively you can try download from Creative.