There might be some official way of locating that information, but by brute-force you can locate the "MPFT" and the MPFT entries.
>From CVT (pointed to by location x'10'), Offset x'64' is the address of UCMBASPT >From UCMBASPT, offset Peter rel...@us.ibm.com 1-845-435-8390 8+295-8390 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN