IBM 560 - Manual (Page 13)

Figure 1-2 (Part 3 of 3). System Board Devices and Features
Device Type Features
Audio subsystem – Sound Blaster**-Pro compatible
Infrared subsystem – Supports:
ThinkPad 560:
IrDA 1.0
ThinkPad 560E:
IrDA 1.1
Personal Computer Memory Card International Association
ThinkPad 560/560E System Overview 1-5