BootBug "the ideal tool for debugging boot-time code... " Brigent, Inc. 684 Costigan Circle Milpitas, California 95035-3366 (408) 956-0322 (voice & fax) AppleLink: ScottC Warranty Brigent Incorporated (Brigent) warrants BootBug hardware against defects in material and workmanship for 90 Days from the original purchase date. Brigent shall, at its own expense and option, either repair or replace the defective product during the warranty period, provided that the original purchaser has notified Brigent and, upon inspection by Brigent, Brigent has found the product defective. Purchaser's sole and exclusive remedy hereunder shall be limited to the repair or replacement of the product. Any misuse, abuse, modification, or tampering with serial numbers shall void this warranty. The express warranties set forth herein are in lieu of all other warranties, expressed or implied, including without limitation, any warranties of merchantability or fitness for a particular purpose*. In no event will Brigent be liable to the purchaser for damages, including any lost profits, lost savings or other incidental or consequential damages arising out of the use or inability to use such product even if Brigent has been advised of the possibility of such damages, or for any claim for any other party. In any event, the liability of Brigent shall not exceed the purchase price of the product*. * May not apply in some states. · Table of Contents Introduction .............................................................. 1 What is BootBug? .........................................1 How Does BootBug Work? ............................ .1 About the Manual ......................................... l Notations .....................................................2 Installation ..............................................................3 Using a Macintosh as the TerminaL ...............3 Installing the BootBug Card ..........................3 Connecting the Serial Cable ......................... .4 Installing the Terminal SOftware ..................4 Booting BootBug! ..........................................4 Using Another Computer as the TerminaL .....5 How BootBug Works .................................................6 The Boot Process ............................................6 What BootBug Depends On ...........................7 BootBug Debugging Tips ............................................8 Debugger Trap ...............................................8 Breaking on a Primary Init ............................8 Breaking on a SCSI Driver .............................9 BootBug Command Reference .....................................10 Command Expressions .................................... l0 ATB ..............................................................11 ATC ..............................................................12 ATD .............................................................13 ATSS ............................................................ 14 BA…