








Arco Electronics Technical Advisory             # 02



Please Address All Inquiries to Itzik Levy 
			Phone:  (305) 925-2688
			Fax  :  (305) 925-2889                                  

Arco Product(s):        AC-1070/AC-1075

Environment     :       IBM PS/2 models 50Z/55SX/55LS with IBM hard drive 
			having a part number prefix of WD.

Description     :       Installing AC-1070 with IDE drive to co-exist                           with IBM drive.
				

After installing the Arco AC-1070 and an IDE hard drive to co-exist with the 
existing IBM hard drive with a part number prefix of WD, a 
"Non-system disk or Disk error" message occurs after the Arco BIOS message is 
displayed.

		Solution :      Upgrade Arco BIOS EPROM to release 2.04 or                                      above.  
