Chipset
The Tecra M4 has an Intel 915PM as North Bridge, Intel ICH6-M as South Bridge and Texas Instrument PCI7411ZHK as Card Controller.
Here is the Chipset information as displayed by Intel's Chipset Identification Utility, Version 3.10:
Detected Chipset: Mobile Intel(R) 915GM/GMS/PM Express Chipset family
Memory Controller: Mobile 82915GM/GMS/PM
I/O Controller: Intel(R) 82801FBM I/O controller hub (ICH6M)
Intergrated Graphics: This chipset does not contain intergrated graphics.