RTS522A PCI Express Card Reader (rev 01) Subsystem: Lenovo RTS522A PCI Express Card Reader Flags: bus master, fast devsel, latency 0, IRQ 123 Memory at f1100000 (32-bit, non-prefetchable) Capabilities: Power Management version 3 Capabilities: [50. To find out who makes the SD card reader chipset, look at the chipset near the card reader.
