diff --git a/doc/chips/SUMMARY b/doc/chips/SUMMARY
index 3be9b396..44097a6e 100644
--- a/doc/chips/SUMMARY
+++ b/doc/chips/SUMMARY
@@ -275,25 +275,22 @@ Many SMBus chips have a company ID at location 0x3E or 0xFE.
 Here is a partial list.
 This may help identify a chip after doing a 'i2cdump [bus] [address]'.
 
-0x00	National (on LM84)
 0x01	National
 0x12C3	Asus (at 0x4F)
 0x1934	Fintek (at 0x5D-0x5E)
-0x23	Analog Devices
-0x41	Analog Devices (also at 0x16)
+0x23	Analog Devices (old products) or Fintek
+0x41	Analog Devices (new products)
 0x49	TI
 0x4D	Maxim
 0x54	On Semi
-0x54	Microchip (at 0x7)
 0x5C	SMSC
 0x5D 	SMSC
 0x55	SMSC
 0x5CA3	Winbond (at 0x4F)
 0x61	Andigilog
 0x90	ITE (at 0x58)
-0xA1	Philips (at 0x05 too)
+0xA1	Philips
 0xA3	Winbond (at 0x4F)
-0xAC	Myson (at 0x58)
 0xC3	Asus (at 0x4F)
 0xDA	Dallas