This is the driver for the Presario 1270 with Win98 4.10.1998 version. This driver is not on the Compaq presario site. Unzip and this will setup the correct sound support for the Presario 1270 laptop. Repairs win98 device manager pci issue. This is for the first version of Win98.The win98SE driver is here www.esstech.com/techsupp/drivers.shtm#pci
Thanks...& good luck.