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
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