
S506.ADD is a OS/2  base device driver to suport OS/2 use Mozart 601 second IDE port . Two way you can install this base device driver.
Ver 1.00
1. Before OS/2 installation.
	1.1     Copy this device driver to installation diskket.
	1.2     Eidt config.sys on this disk. Add one line before IDE hard drive drive(IBM1S506.ADD).
			BASEDEV=S506.ADD
	1.3     Do OS/2 installation.

2. After OS/2 installation.
	2.1     Copy this device driver to root directory or \OS2\BOOT directory.
	2.2     Edit config.sys in hard drive root directory. Add one line before IDE  drive driver (IBM1S506.ADD).
			BASEDEV=S506.ADD
	2.3     Do Selective Installation in System Setup group.
	2.4     Choice CDROM icon and Select CDROM type (Non_List_ATAPI_CDROM, if standard ATAPI CDROM).

S506.ADD is a OS/2  base device driver to suport OS/2 use Mozart 601 second IDE port . Two way you can install this base device driver.
Ver     1.01
1. Before OS/2 installation.
	1.1     Copy this device driver to installation diskket.
	1.2     Eidt config.sys on this disk. Add one line before IDE hard drive drive(IBM1S506.ADD).
			BASEDEV=S506.ADD /I:xx          ; xx IS IRQ USED FOR SECONDARY IDE
	1.3     Modify BASEDEV=IBM1S506.ADD line.
			BASEDEV=1BM1S506.ADD /A:1 /P:170 /IRQ:xx ; xx VALUE MUST BE SAME AS 1.2
	1.4     Do OS/2 installation.

2. After OS/2 installation.
	2.1     Copy this device driver to root directory or \OS2\BOOT directory.
	2.2     Eidt config.sys on this disk. Add one line before IDE hard drive drive(IBM1S506.ADD).
			BASEDEV=S506.ADD /I:xx          ; xx IS IRQ USED FOR SECONDARY IDE
	2.3     Modify BASEDEV=IBM1S506.ADD line.
			BASEDEV=1BM1S506.ADD /A:1 /P:170 /IRQ:xx ; xx VALUE MUST BE SAME AS 1.2
	2.4     Do Selective Installation in System Setup group.
	2.5     Choice CDROM icon and Select CDROM type (Non_List_ATAPI_CDROM, if standard ATAPI CDROM).


Ver     1.10
	The installation is same as before. Only defrence this release also 
	support Mozart605 chip.


