This section contains one for each nucleus task IRB and auxiliary task IRB.
| Offsets | Name | Length | Format | Description | |
|---|---|---|---|---|---|
| 0 | 0 | R84IRBNM | 8 | EBCDIC | Name or address of the JES3 IRB. |
| 8 | 8 | R84IRBAC | 4 | binary | Number of times for active JES3 IRB. |
| 12 | C | R84IRBSU | 4 | binary | Number of times for suspended JES3 IRB. |
| 16 | 10 | R84IRBWT | 4 | binary | Number of times for IN-OS-WAIT JES3 IRB. |