El 15/05/2014, a les 23.25, Cory Smelosky <b4 at gewt.net> va escriure: On Thu, 15 May 2014, Jordi Guillaumes i Pons wrote: El 15/05/2014, a les 23.22, Cory Smelosky <b4 at gewt.net> va escriure: sim> b tq TQ I/O error: Undefined error: 0 I/O error, PC: 157456 (TST 157520) Use a TS device, and don't forget to set it to read-locked. Ahhh. That does it. Thanks! Great! Now for the disk issue, I'm using an RP04 connected to RP0. It shows as "DB0:" in RSTS, and it has plenty of space for the OS, even being of "just" 84MB: $ show disk Disk Structure: Dsk Open Size Free Clu Err Name Level Comments DB0 22 171796 124272 72% 4 0 RSTS11 1.2 Pub, DLW Jordi Guillaumes i Pons jg at jordi.guillaumes.name HECnet: BITXOV::JGUILLAUMES