9840/9940 - Firmware fixes in 1.42.x07 Microcode (Doc ID 1019866.1)

Last updated on MARCH 17, 2025

Applies to:

Symptoms

Firmware fixes for 9x40 1.42.x07
FSC3317 Fix for 3317 when running channel extended
FSC3989 FSC39AB  Fix for 9840D blank tape
3CD0 Miscount the number of files spaced during certain conditions
FSC0171 Drive hangs and fw bug
Fix to correct incorrect emulation mode in VOP
FSC3CD5 FSC37E8 improved read algorithm all drives
Fixed offline diag bug for misc load errors
FSC33A6 Add a check to ensure tape is in Native format
Fix 3590 and 3490E sector reporting for ASM
FSC6109 fix when appending with multiple encryption keys
Fix how array size is computed.
Volser not reported after encryption error.
FSC6109 Fix Key Not Found Error during error recovery.
FSC3346 Fixes a problem with 9840C created format blocks being read in a 9840D drive.
FSC36D2 Fixes perm error prior to reading to End Of Tape.
FSC 37AF Error recovery at Center Of Tape.
FSC37AF Enhanced Center Of Tape recovery during a search.
FSC48F7 No Op Complete resulting in a SNO.
Fix enrollment error
Create a method for retrying load profile if net is not present at IPL.
FSC3417 Change to use the segment size. 9840D only.
Fix Buffer Resource Contention.
Add FIPS indicator status display for VOP.
FSC3943 Fix for this error.
FSC5203 Fix caused by not setting up hardware after a PRS on next block.
FSC37B1 Enhancement to fix for MIR blocks - 9840D only.
FSC3677 Occurs on first load after IPL for 9840C written carts.
Fix hole with transferring read aborted data.
FSC36D8 Fix this error.
FSC3E47 FSC 393A  Fix these errors.
Fix drive mis-position on long CCW chains. FICON.
Fix for missing or invalid FSC and Volser. FICON.
Fix for Volser displayed in MIM message becoming corrupted. FICON and ESCON.
FSC1A65 during DDR swap for legacy read error. FICON and ESCON.
Fix missing Volid in sense presentation. FICON and ESCON.
Fix 9840D tape format type in MSNS byte 7 and RBL command byte 20. FICON and ESCON.
Fix Channel Detected Errors to DevServe command after tape mount and device running on another system. FICON.
Fix repositioning error. FICON.
FSC2A09 Set check condition hardware error for a checksum error ona a write rather that a 2A09. FC.
TUR isued after a load returns not ready. (immediate bit not set) FC.
Fix to update data returned by SPIN commands. FC.
FSC2B30 Fix write checksum error that occurred on a code download.  Also fixed a 2B30 error when multiple write buffer commands returned check condition. FC.
Add code to handle SRR read requesting more data than available. FC.
Fix for Servo Transfer Timeout.
Added a mechanism to unload 9940B carts with dislodged leader blocks.

Changes

{CHANGE}

Cause