IBM 3745 Service Functions page 71

Table 3-2 (Page 1 of 2). DCF Unexpected RACs
RAC Number Meaning
s00-50F Common RACs
501 Received event rejected by OCM
502
Received event rejected by CP
503 Routine not found by CP
504 SST access rejected by CP
505 Routine signature list end not known by OCF
507 CP CSP time out (no CP CSP answer to OCM)
508 IOCBUS tIme out (no TSS answer to OCM)
509 Unexpected scanner received event detected
510-51F RAC related to disk operation
510 Invalid loading request
511 OCF load module
512 COF data set
514 1FT load module In MOSS
515 1FT data set
516 RLOAD 1FT load module
517 RLOAD 1FT data set
518 CP MOSS load module
519
CP data set (CCU or CSP)
520-52F RAC related to data transfer (MOSS/CCU)
521 1FT data set (bad transfer between MOSS and CCU)
522 RLOAD 1FT data set
523 CP data set
524 DCF CDS entry
525 DCF SST table
526 DCF reply to RWTOR
527 TSS aids data
52A
Any CCU read data
530-54F RAC related to AMAC operations
530
Disable MOSS frbm any Interrupts but TIMER
531 Write LSSO
532 High-speed buffer data array mode
533 High-speed buffer normal mode
534 Disable CCUI
535 Enable PU Interrupts
536 Disable Interrupt levels 1 and 4
537 Enable Interrupt levels 1 and 4
538 Local store Inlt
539 SCTL normal mode
53A Storage Init
53B Enable cycle steal
53C Stop CCU
53D CCU mailbox IN
53E Disable cycle steal
53F Set MOSS operative
540 Enable scanner Interrupts
541 Reset scanner
542 Run scanner checkouts
543 Get scanner checkouts
544 Set MOSS area address
545
Storage key Inlt
546 ROS mailbox IN and scanner IPL
547 Scanner GET command completIon
548 Scanner InitializatIon
549
CHGMACAC request
54A CHGMCAO request
S4B CHGPOWER request
54C Disable from PU and CSP Interrupts
S4D High-speed buffer disable and bypass
S4E ECC and SCTL disable
550-55F Unused
(
560-56F RAC related to scanner operations
3-22
3745 Service Functions