SX/Now! - 286 to 386sx Upgrade 
SXNOW.EXE SX/Now! Utility Diskette v2.04
KTCCACHE.EXE Latest KTCCACHE utility for SX/Now! (8/92)
 

386SX Now, Top	386SX Now, Bottom
U1 386SX-20 U2 Austek A38202SX U3 387SX-20 Y1 40.0000 MHz osc	P1 Plug for 68 pin PLCC U15 Toshiba TC55187T-25 1 1

Full moniker for U2 is Austek A38202SX Microcache