Sequent Computer Systems Inc believes that only 15% of its customers will require special assistance re-hosting Dynix/ptx applications running on their 32-bit servers on to its next- generation NumaCenter Merced servers running the 64-bit Bravo Unix based upon Digital Unix (CI No 3,515). VP global marketing Jeff Pancottine figures that most applications using standard database and OLTP technologies will be binary compatible – although re-compiling specifically for 64-bits will be required to take full advantage of Merced’s performance. Users with custom Dynix/ptx code and scripting can take either of two routes. Between 10% and 12% will be able to use Merced’s 32-bit binary compatibility module which will ship with Bravo Unix (or whatever name it eventually takes) while the remaining 3% to 5% will need to re-write for 64-bits. Sequent expects the Bravo Unix partners to reveal details of their development plans, along with a product name, this quarter. It’s been hung up with Compaq Computer Corp’s acquisition of DEC. Sequent expects the 4-to-16- way mid-range servers to be primarily Windows NT vehicles, with Unix taking the high ground. It won’t be offering its ccNUMA implementation of NT until version 5.0 of the operating system hits the ground. Pancottine pooh-poohs any suggestion Merced is going to be later or less functional than promised. Mixed messages, such as those coming out of Intel and Hewlett-Packard Co (CI No 3,515), are positioning issues between volume and enterprise products.