HSC Controller

This document serves as a supplement to the HSC Controller Service Manual, focusing on updates specific to the HSC65 and HSC95 controllers. Key topics include:

• Hardware Configuration: Detailed modular architecture for HSC65 and HSC95 systems, including P.ioj2 processors, M.cache2 modules, and SCSI support (K.scsi module).
• Installation and Setup: Guidance on setting Port Link Module switches and SCSI module jumpers/terminators.
• Diagnostics: Introduces new offline diagnostics, specifically the CONFIG diagnostic for system validation and the ROM update utility for the P.ioj2 module. Includes updated procedures for OMEM and OFLRXE tests.
• Troubleshooting: Comprehensive information on fault codes, module LED indicators, and SCSI error log interpretation (including sense key and ASC/ASCQ assignments).
• Updates to existing manuals: Supplements for chapters concerning general information, controls and indicators, and initialization procedures.