GPT 4220 Appreciation Course AKJ Nov 2008

GPT 4220 Appreciation Course AKJ Nov 2008

Course Agenda: 1. Overview of 4220 System Hardware and configuration 2. MCU commands and CPU Testing (Live example) 3. Extension Crates and MCC/SBC control. 4. Hardware photos. 5. Board Types. 6. Disc usage. 7. IPL and KEYS. 8. Application Software. 9. IPM using ‘Receive’ 10. FBHP. Description of UNIT 2 and 3 11. System Files. FSYSR and FSYSD. (EVDA) 12. Logging in. Muting Process’s, MSTATE, PSTATE, MODES 13. IBM Links, FBHP and PDI. Initial Coil. Demonstration of this. AKJ Nov 2008

General System Configuration of Hot Mill 4220 Parallel Inter Computer Link FMI Gem 80 ARRaid Scsi Emulators Unit 0 System ED 86 Unit 0 System WD 300 ED 86 MCC GPT 4220 16 MB RSEU MO Unit EU System Console Used to IPL. Nucleus errors reported here EVDA Gauge Mang Supr Oper Rmop Reco Frec WD 300 Unit 3 Unit 2 ARRaid Scsi Emulators WD 300 SBC GPT 4220 16 MB Both MCC SBC Tektonix Terminal Akj 02/11/2001 ARRaid Scsi Emulators VDU’s Plant VDU’s Printers IBM Links Gem 80’s Serial Links Parallel Links Profile Gauge Alt-Gauge Comp SQL Interface etc, etc FBHP Unit 2 = Live Unit 3 = Secure System Console Used to IPL. Nucleus errors reported here Printer PC Alarms Coil Logs Line Printer

IOP and Extension Crates and Switching FMI SW I/F MCC Auto SBC Line Printer SEU MCC Rem SBC Healthy SBC On-Line IOP RSEU REU AKJ Nov 2008

General Interface Boards • 98/99 Disc Controllers • 128/129 Channel Adaptors • Board 43 Dig IO • 193/1 Serial Comms Async • 193/2 Serial Comms Sync • 194 High Speed X 25 Sync • 93/8 Console Serial Comms • 392 Disc Controller for WD 86 M (FCC) • Mag Tape Controller AKJ Nov 2008

Disc Utilisation 300 Mb System Disc Unit 2 Unit 3 System Disc: IPL Proc’s (LSB) Spool Overlay Dump Unit 2 Disc: Live 0, 1, 2 and 3 QC data Rude Engineering data Unit 3 Disc: Secure 0, 1, 2 and 3 QC data Wimp Gradrude Live 0 is the main Catalogue. Live 1 is IBM data For End of Coil. This disc is a Secure Copy of Unit 2 Note: For redundancy each disc is driven by separate disc controllers. AKJ Nov 2008

IPL and Keys = 0 5 0 3 A 4 File No 7 Disc No Overlay 0 Stop Bit 0 0 1 00 01 10 11 IPL 0 = Disc 1 = Disc 2 = Disc 3 8 11 Way O Way I Overlay 1 0 1 IPL 0 00 01 10 11 1 12 15 IOP Chan Overlay 0 = Way 8 = Way 10 = Way 12 = Way 14 0 0 00 01 10 11 IPL 0 0 = IOP 1 = IOP 2 = IOP 3 L 2 is a bootstrap loader, loaded from ROM on CPU board. Running a command L 2 Loads 127 instructions into memory at Loc 128 – 255. L 2 can only load ‘C’ and ‘D’ files (Core and Disc). AKJ Nov 2008

Some of the Applications used within the MCC ROTD RMSU Routes: IPM’s are sent through Routes send RA, RX, RY and RZ. RX is a value that specifys What action is required. Parallel Link FMSU TRKG DKON FMI PDI ROTS PPCL ROTS Sprays X 25 High Speed (196 Kb) Link AKJ Nov 2008