Memory problems?

I have the memory is 512mb ddr533, is now selling a 1Gddr2 667, and the two together can not use.Inserted in the board's two-channel with a different color or colors …is a ddr a few of the ddr2 is your memory is in the end DDR533 or DDR2 533. if …

ibmT30 CD-ROM drive

The original, the site gave me ah! ! ! Or download the address on a better T30 driver download: http://www-900.ibm.com / cn / support / download / driver / ThinkDetail? DocId = JWAG-5NN4NM can use the wizard to install the driver, download address http://www.skycn.com/