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 UNIT2 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

MCCGPT 4220

16MB

SBCGPT 4220

16MBMCC SBCBoth

FMIGem80

ED WD86 300

ED WD86 300

WD WD300 300 FBHP

Unit2 = LiveUnit3 = Secure

VDU’sPlant VDU’sPrintersIBM LinksGem80’sSerial LinksParallel LinksProfile GaugeAlt-Gauge CompSQL Interfaceetc, etc

Parallel Inter Computer Link

TektonixTerminal

General System Configuration of Hot Mill 4220

EVDA Gauge Mang Supr Oper Rmop Reco Frec

Akj 02/11/2001

RSEU

EUMO Unit

System ConsoleUsed to IPL.Nucleus errors reported here

System ConsoleUsed to IPL.Nucleus errors reported here

Unit0 System Unit0 System

Unit3 Unit2

ARRaid Scsi Emulators

ARRaid Scsi Emulators

ARRaid Scsi Emulators

Printer PCAlarms

Coil LogsLine Printer

MCC SBC

Auto

FMI

RSEU

REU

IOP IOP

IOP and Extension Crates and Switching

MCC SBC

SW I/F

Line Printer MCC Rem SBC Healthy On-Line

SEU

AKJ Nov 2008

• 98/99 Disc Controllers• 128/129 Channel Adaptors• Board 43 Dig IO• 193/1 Serial Comms Async• 93/1 Serial Comms Async• 193/2 Serial Comms Sync• 194 High Speed X25 Sync• 93/8 Console Serial Comms• 392 Disc Controller for WD86M (FCC)• Mag Tape Controller

General Interface Boards

AKJ Nov 2008

SystemDisc

Unit2 Unit3

System Disc:IPLProc’s (LSB)SpoolOverlayDump

Unit2 Disc:Live0, 1, 2 and 3QC dataRudeEngineering data

Live0 is the mainCatalogue.Live1 is IBM dataFor End of Coil.

Unit3 Disc:Secure0, 1, 2 and 3QC dataWimpGradrude

This disc is a SecureCopy of Unit2

Disc Utilisation

300Mb 300Mb 300Mb

Note: For redundancy each disc is driven by separate disc controllers.

AKJ Nov 2008

IPL and Keys

0 3 4 7 8 11 12 15 File No Disc No Way O Way I IOP Chan Overlay IPL Overlay IPL Overlay IPL

0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0

Stop Bit

0 0 = Disc 00 1 = Disc 11 0 = Disc 21 1 = Disc 3

0 0 = Way 80 1 = Way 101 0 = Way 121 1 = Way 14

0 0 = IOP 00 1 = IOP 11 0 = IOP 21 1 = IOP 3

0 5 A 0Keys =

L2 is a bootstrap loader, loaded from ROM on CPU board. Running a command L2Loads 127 instructions into memory at Loc 128 – 255.L2 can only load ‘C’ and ‘D’ files (Core and Disc).

AKJ Nov 2008

X25 High Speed (196Kb) Link

Routes:IPM’s are sent throughRoutes. Routes send RA,RX, RY and RZ.RX is a value that specifysWhat action is required.

AKJ Nov 2008

DKON

TRKG

PDI

RMSU

FMI

FMSU

ROTS

ROTD

PPCL ROTS

Sprays

Parallel Link

Some of the Applications used within the MCC