ERSATZ-11 FOR OS/2 PDP-11 EMULATOR DEMO VERSION 7.3 FOR 30-DAY COMMERCIAL EVALUATION ONLY Copyright c 1993{2017 by Digby's Bitpile, Inc. All rights reserved. Release date: 01-Mar-2017 §¤¤ ¤ ¤¥ ¦¥¥ ¥ D Bit • 139 Stafford Road • Monson, MA • 01057 • USA • www.dbit.com § ¤ ¤¤ Digby's Bitpile, Inc. DBA D Bit ¤¥ 139 Stafford Road Monson, MA 01057 ¦ ¥¥ ¥ USA +1 (413) 267-4600 [email protected] www.dbit.com Copyright c 1993{2017 by Digby's Bitpile, Inc. All rights reserved. The following are trademarks of Digby's Bitpile, Inc.: £ ¡ D Bit E11 Ersatz ¢¡¡ ¡ The following are trademarks or registered trademarks of Digital Equipment Corporation: DEC DECnet DECtape DECwriter DIGITAL IAS MASSBUS PDP PDT P/OS Q-BUS RSTS RSX RT-11 ULTRIX UNIBUS VT The following are trademarks or registered trademarks of S&H Computer Systems, Inc.: TSX TSX-Plus Other product, service, and company names that appear in this document are used for identification purposes only, and may be trademarks and/or service marks of their respective owners. Contents 1 Introduction 1 1.1 Emulated block device types . 2 1.2 Emulated sequential device types . 3 1.3 Emulated serial device types . 3 1.4 Emulated network device types . 4 1.5 Emulated DDCMP device types . 4 1.6 Miscellaneous device types . 4 1.7 PC hardware support . 5 1.8 Device names . 6 1.9 Filenames . 8 1.10 Time durations . 8 1.11 Notes . 9 1.11.1 Interrupts . 9 1.11.2 Host systems . 9 1.11.3 Copyright and licensing . 10 1.12 Acknowledgments . 10 1.13 History . 11 2 Installation and Configuration 13 2.1 System requirements . 13 2.2 Installation . 13 2.3 Configuration . 14 3 Transferring the PDP-11 Operating System to the PC 17 3.1 SCSI disks . 17 3.2 SCSI tapes . 18 3.3 Kermit . 18 3.4 Ethernet . 18 3.5 ASCII serial dump . 19 3.6 System-specific notes . 20 3.7 Utilities . 20 4 Disk Devices 22 4.1 Disk cache . 23 4.2 Padding short volumes . 23 4.3 PC disk devices . 23 4.3.1 Disk image files . 24 4.3.2 Raw floppy disk drives . 25 4.3.3 RAM disk drives . 25 4.3.4 Disks with intentionally bad blocks . 26 4.3.5 Null disk drives . 26 4.4 Emulated PDP-11 disk devices . 27 4.4.1 DB: | RP04, RP05, RP06 . 27 4.4.2 DC: | RC11/RS64 . 28 4.4.3 DD: | DL11/TU58 . 28 4.4.4 DF: | RF11/RS11, DDC DMS-11X/SSDM 100 (called RF: in RT-11) . 29 4.4.5 DK: | RK02, RK03, RK05 DECpack (called RK: in RT-11) . 30 4.4.6 DL: | RL01, RL02 . 30 4.4.7 DM: | RK06, RK07 . 31 4.4.8 DP: | RP02, RP03 . 31 4.4.9 DR: | RM02, RM03, RM05, RM80, RP07 . 32 4.4.10 DS: | RS03, RS04 . 33 4.4.11 DT: | TU55, TU56 DECtape . 33 4.4.12 DU: | MSCP disks . 33 4.4.13 DX: | RX01 . 34 4.4.14 DY: | RX02, \RX03" . 35 4.4.15 FX: | Fox 2/30 \drum" . 36 4.4.16 HD: | Hypothetical disk . 36 4.4.17 PD: | PDT-11/150 RX01 . 37 4.4.18 QX: | Terak 8510/a single-density disk . 37 5 Tape Devices 38 5.1 PC tape devices . 38 5.1.1 Tape image files . 38 5.1.2 RAM tape drives . 39 5.1.3 Null tape drives . 39 5.2 Emulated PDP-11 tape devices . 40 5.2.1 CT: | TU60 DECcassette . 40 5.2.2 MM: | TE16/TU16, TU45, TU77 . 40 5.2.3 MR: | TR79 (HP7970E) . 41 5.2.4 MS: | TK25, TS04, TS05, TU80 . 42 5.2.5 MT: | TS03, TU10 . 42 5.2.6 MU: | TMSCP tapes . 43 6 Serial Lines 44 6.1 PC serial devices . 45 6.1.1 Serial options common to all devices . 45 6.1.2 Video consoles . 45 6.1.3 Line printer emulation using OS-supplied print drivers . 46 6.2 PC serial pseudo-devices . 48 6.2.1 Hayes-compatible dialup modems . 48 6.2.2 Kermit file-transfer protocol . 48 6.2.3 Throttled I/O . 48 6.2.4 Multiple physical ports on one emulated line . ..