Path: news.uiowa.edu!news.physics.uiowa.edu!math.ohio-state.edu!howland.reston.ans.net!news-e2a.gnn.com!newstf01.news.aol.com!newsbf02.news.aol.com!not-for-mail From: rubywand@aol.com (RUBYWAND) Newsgroups: comp.sys.apple2 Subject: Re: GS error code OBO 30000 (self diagnostic test) Date: 3 May 1996 07:55:56 -0400 Organization: America Online, Inc. (1-800-827-6364) Lines: 75 Sender: root@newsbf02.news.aol.com Message-ID: <4mcs8c$56s@newsbf02.news.aol.com> References: NNTP-Posting-Host: newsbf02.mail.aol.com X-Newsreader: AOL Offline Reader In article , Don Pattee Jr writes: >Could you post that list again? I would like to get myself a copy of it... Built in Diagnostic Codes (from a list by Jeff Tarr, Jr.) Codes are in the format 'AABBCCDD'. A ROM failure will be denoted by a/ RM in the top left hand corner of the screen. ROM Test:G AA = 01 BB = Failed checksum DD = 01 - Bad Ram RAM Test:H AA = 02 BB = Bank number CC = Bit(s) failed Soft Switches:M AA = 03 BB = State Register bit CC = Low Byte of switch RAM Address Test:K AA = 04 BB = Failed bank number CCDD = Failed Address Speed Test:/ AA = 05 BB = 01: Stuck slow/ 02: Stuck fast Serial Test:1 AA = 06 BB = 01: Register R/W; 04: Tx Buffer empty status< 05: Tx Buffer empty failure9 06: All Sent Status fail6 07: Rx Char available 08: Bad data Sound Test:3 AA = 0C DD = 01: RAM data error6 02: RAM address error9 03: Data register failed< 04: Control register failedA 05: Oscillator interrupt timeout Clock Test:H AA = 07 DD = 01: Fatal errooccurred - test aborted Battery RAM Test:F AA = 08 BB = 01: Address test and CC = bad address N = 02: Non-volatile RAM failed and CC = pattern,1 DD = address ADBest:J AA = 09 BBCC = Bad checksum DD = 01: Fatal error Shadow Register:= AA = 0A BB = 01(/2): Text page 1(/2) fail8 03: ADB Tool call error= 04: Power on Clear bit error Interrupts Test: AA = 0B BB = 01: VBL interrupt time-out8 02:VBL IRQ status full 03(/4): 1/4 sec interrupt 06: VGC IRQ 07: Scan line Rubywand