gtpd1m0hDatabase Reference

Hardware File Address

The hardware file address that is required to physically refer to a record residing on a DASD is the same as the extended MCHR file address described previously. The formats are shown in Figure 5.

Figure 5. Extended MCHR File Address Formats


Note:
For the IBM 3390, 8-bit record numbers are used for all TPF record sizes as shown for 4096-byte records in the previous figure.