PC question

Yesterday, at the KS10 move, I came away with two IBM PCs, but I don't know enough about them to know if they are the AT or XT models... they both have a 5.25" floppy and a hard drive, and both have color monitors. They are both desktop boxes... the monitors were sitting on top of them. So, how do I tell... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+