Field
Name TYP3800 EQU TYPTP EQU TYP1018 EQU FTRUCS EQU FTR4WCGM EQU CLASTAPE EQU TYP2401 EQU TYP2415 EQU TYP2420 EQU TYP3420 EQU TYP3410 EQU TYP3411 EQU FTR7TRK EQU FTRDLDNS EQU FTRTRANS EQU FTRDCONV EQU CLASDASD EQU TYP2311 EQU TYP2314 EQU TYP2319 EQU TYP2321 EQU TYP3330 EQU TYP3333 EQU TYP3350 EQU TYP2301 EQU TYP2303 EQU TYP2305 EQU TYP3340 EQU FTRRPS EQU FTREXTSN EQU FTR2311T EQU FTR2311B EQU FTR35MB FTR70MB FTRRSRL VIRTUAL SYSVIRT FTRVIRT E "T' \lU EQU EQU EQU EQU EQU CLASSPEC EQU TYPCTCA EQU TYP3704 EQU TYP3705 EQU TYP3851 EQU TYPSRF EQU TYPUNSUP EQU FTRTYP1 EQU FTRTYP2 EQU FTRTYP3 EQU FTRTYP4 EQU X'45' X'20' X'24' X
W
01· X'80' X'08' X'80' X'40' X'20' X' 10' X'08' TYP3410 X'80' X'40' X'20' X'10' X'04' X'80' X'40' TYP2314 TYP2311 X' 10' TYP3330 X'08' TYP2311 TYP2311 X'02' X'Ol' X'80' X'40' X'20' X'10' X'08! X'04' X'02' X'Ol' X'20' X'Ol' X'02' X'80' X'40' TYP3704 X'20' X'04' X'Ol' X'10' X'20' FTRTYP2 FTRTYPl Field Description, Contents, Meaning 3800 Printing subsystem
Tape punch device 1018 paper tape punch UCS feature 3800 has four WCGM availatle. Note that FTBEXTSB (X'40') is
also used for a 3800 printer.
Magnetic tape device class
2401 tape drive
2415 tape drive
2420 tape drive
3420 tape drive
3410 tape drive
3411 tape drive
7-track feature
Dual density feature
Translate feature
Data conversion feature
Direct access storage device class
2311 disk storage drive
2314 disk storage facility
2319 disk storage facility
2321 data cell drive
3330 disk storage facility
3333 disk storage facility
3350 disk storage facility
2301 parallel drum
2303 serial drum
2305 fixed head storage device 3340 disk storage facility Rotational positional sensing (RPS) installed (3340)
Extended sense bytes (24 tytes)
(= VDEV231T) Top half of 2314 used as 2311
(= VDEV231B) Bottom half of 2314 used as 2311
35 multibyte data module mounted (3340; 70 multibyte data module mounted (3340)
Reserve/release are valid CCW operation codes
Device is a 3330V virtual machine
Device is a 3330V system virtual machine
3330 virtual (MSS) volume
Special device class
Channel-to-channel adapter 3704 programmable communication control unit 3705 programmable communication control unit
3851 Mass Storage Controller
SRF device (#7443)
Device not supported by VM/370 Type 1 channel adapter (370x) Type 2 channel adapter (370x) Treat as type 2 channel adapter (370x) Treat as type 1 channel adapter (370x)
Appendix A. CP and BSCS Equate Symbols 277

Field
Name 12its EXTMODE EQU MCHEK EQU WAIT EQU PROBMODE EQU lU ts PERMODE EQU TRANMODE EQU IOMASK EQU EXTMASK EQU 12its ATTN SM CUE BUSY CE DE UC UE PCI IL PRGC PRTC CDC CCC lFCC CEC ]its CD
CC
SILl SKIP PCIF IDA EQU EQU EQU EQU EQU EQU EQU EQU EQU EQU EQU EQU EQU EQU RQll EQU EQU EQU EQU EQU EQU EQU CMDREJ EQU INTREQ EQU EUSOUT EQU EQCEK EQU tATACHK EQU Field Description, Contents, Meaning i.n PSW X'08' Bit 12-- extended lIode X'04' Bit 13 -machine check enabled
wait state X'02' Bit 14 - X'01' Bit 15 -problell state
in Extended f2! --X'40'---- Bit 01 - PER enabled X'04' X'02' X'01' in Channel --X'80'--- X'40' X'20' X'10' X'08' X'04' X'02' X'01' X'80' X'40' X'20' X' 10' X'08' X'04' X'02' X'01' in Channel --X'80'--- X'40' X'20' X'10' X'08' X'04' i1! X'80' X'40' X'20' X'10' X'08' Bit 05 - translate mode
Bit 06 - summary I/O mask
Bit 07 - summary external mask Bit 32 -attention
Bit 33 - status modifier
Bit 34 -control unit end
Bit 35 -busy
Bit 36 -channel end
Bit 37 -device end
Bit 38 -unit check
Bit 39 -unit exceFtion
Bit 40 - program-control interrupt
Bit 41 -incorrect length
Bit 42 - program cbeck
Bit 43 -protection check
Bit 44 -channel data check
Bit 45 -channel control check
Bit - interface control check
Bit 47 -chaining check
Command Word (CCW) ------Bit-32 --chain data
Bit 33 -command chain
Bit 34 -suppress incorrect length
Bit 35 - suppress data transfer
Bit 36 -program-control interrupt
Bit 37 -indirect data address !g !g2! Bit 0 - command reject
Bit 1 - intervention required
Bit 2 -bus out
Bit 3 -equipment check
Bit 4 -data check
indicator
FETCH
278 IBM VM/370 Data Areas and Control Block Logic