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1-2

   DEC 7000 AXP System and VAX 7000 System

1.1  System Characteristics

DEC 7000 and VAX 7000 systems share characteristics as shown in
the tables.  Figure  1-1 shows  a system footprint.

Figure 1-1

Sample System Footprint

Rear
Clearance 
100 cm (39 in)

Front
Clearance 
150 cm (59 in)

BXB-0001-92

Width

240 cm (94.5 in)

Depth

337.5 cm

(132.5 in)

87.5 cm
(34.5 in)

System

Cabinet

Expander

Cabinet

Expander

Cabinet

Expander

Cabinet

80 cm (31.5 in)

170 cm (67 in)

System

Cabinet

Expander

Cabinet

80 cm (31.5 in)

80 cm (31.5 in)

170 cm (67 in)

170 cm (67 in)

Summary of Contents for Rackmount 7000 AXP

Page 1: ...rd massachusetts DEC 7000 AXP System VAX 7000 Operations Manual Order Number EK 7000B OP 002 This manual is intended for the system manager or system operator and covers the basic operations of a DEC...

Page 2: ...s Reserved Printed in U S A The following are trademarks of Digital Equipment Corporation Alpha AXP DECUS VAXBI AXP DWMVA VAXELN DEC OpenVMS VMScluster DECchip ULTRIX XMI DEC LANcontroller UNIBUS The...

Page 3: ...pter 2 System Components 2 1 Console Load Devices 2 2 2 2 In Cabinet Tape Drives 2 4 2 3 Power System 2 6 2 4 LSB Card Cage 2 8 2 5 Control Status and I O Connections 2 10 2 6 Cooling System 2 12 2 7...

Page 4: ...from an InfoServer 4 26 4 6 1 InfoServer Concepts 4 26 4 6 2 InfoServer OpenVMS VAX Booting 4 28 4 6 3 Selecting an Ethernet Service 4 30 4 7 Booting from a VMScluster 4 32 4 7 1 VMScluster Concepts...

Page 5: ...5 Update Command C 10 C 6 Exit Command C 12 C 7 Display and Verify Commands C 14 Figures 1 1 Sample System Footprint 1 2 1 2 Sample System Architecture 1 4 1 3 Sample System 1 6 1 4 System Front View...

Page 6: ...VAX Booting 4 40 Tables 1 DEC 7000 VAX 7000 Documentation ix 2 Related Documents xi 1 1 Electrical Characteristics 1 3 1 2 Environmental Characteristics 1 3 3 1 Keyswitch Positions 3 3 3 2 Control Pan...

Page 7: ...tive text and syntax definitions This manual has four chapters and three appendixes as follows Chapter 1 DEC 7000 AXP System and VAX 7000 Systems and Chapter 2 System Components give a basic introduct...

Page 8: ...es In text if a book is cited without a product name that book is part of the hardware documentation It is listed in Table 1 along with its order number Icons The icons shown below are used in illustr...

Page 9: ...EK 7000B OP Basic Troubleshooting EK 7000B TS Service Information Kit VAX 7000 EK 7002A DK Platform Service Manual EK 7000A SV System Service Manual EK 7002A SV Pocket Service Guide EK 7000A PG Advan...

Page 10: ...Manuals KA7AA CPU Installation Guide EK KA7AA IN KN7AA CPU Installation Guide EK KN7AA IN MS7AA Memory Installation Guide EK MS7AA IN KZMSA Adapter Installation Guide EK KXMSX IN DWLMA XMI PIU Instal...

Page 11: ...400 Installation Problem Solving EK DEMFA IP DEC LANcontroller 400 Installation Guide EK DEMNA IN DEC LANcontroller 400 Technical Manual EK DEMNA TM DSSI VAXcluster Installation and Troubleshooting Ma...

Page 12: ...OpenVMS Alpha Version 1 0 Upgrade and Installation Manual AA PQYSA TE VMS Upgrade and Installation Supplement VAX 7000 600 and VAX 10000 600 Series AA PRAHA TE VMS Network Control Program Manual AA LA...

Page 13: ...00 sys tems Allow for expansion of processors memory and I O Use a high speed system interconnect bus LSB bus which has an ef fective bandwidth of 640 Mbytes sec Support up to 3 5 Gbytes of physical m...

Page 14: ...a system footprint Figure 1 1 Sample System Footprint Rear Clearance 100 cm 39 in Front Clearance 150 cm 59 in BXB 0001 92 Width 240 cm 94 5 in Depth 337 5 cm 132 5 in 87 5 cm 34 5 in System Cabinet E...

Page 15: ...n 3 phase AC input voltage 202 V RMS 120 208 V RMS 380 415 V RMS Nominal frequency 50 60 Hz AC current nominal per phase 24 A 202 V 24 A 120 208 V 12 8 A 380 415 V Maximum current per phase 30 A 202 V...

Page 16: ...2 System Architecture The high speed LSB bus is used to interconnect processors mem ory modules and the IOP module Figure 1 2 Sample System Architecture XMI BXB 0054B 92 Memory Processors DEMNA DEMFA...

Page 17: ...han dles communication with the operator console The other processors be come secondary processors and receive system information from the boot processor A memory node is one memory module Memory is...

Page 18: ...rminal and printer an accessories kit and a documentation set which includes this manual The system can have up to two op tional expander cabinets an in cabinet tape drive disk drives an RRD42 CD driv...

Page 19: ...PIUs The console load device is used for installing operating systems and software The console terminal is used for booting and for system management operations NOTE The console terminal is not to be...

Page 20: ...drive are on the front of the system cabinet With the front door open Digital customer service engineers can access the LSB card cage power regulators cooling system and optional plug in units Figure...

Page 21: ...8 VDC LSB card cage holds CPU memory slots 0 3 Cooling system blower Optional components visible from the inside front include In cabinet I O devices I O plug in unit PIU Battery PIU DEC 7000 RRD42 co...

Page 22: ...vice engineers can access the LSB card cage DC distribution box battery connec tions AC power cord circuit breaker blower and I O bulkhead area Figure 1 5 System Rear View BXB 0032A 92 Rear DC Distrib...

Page 23: ...he cabinet see Fig ure 1 5 LSB card cage slots 4 8 IOP module slot 8 DC distribution box Battery PIU connections AC power cord and connector Circuit breaker Blower I O bulkhead area Optional component...

Page 24: ......

Page 25: ...m Components This chapter describes system components their locations and functions Sections include Console Load Devices In Cabinet Tape Drives Power System LSB Card Cage Control Status and I O Conne...

Page 26: ...is the console load device for VAX 7000 systems During system installation the con sole load device is used to boot standalone backup It is also used to boot the Loadable Firmware Update LFU Utility...

Page 27: ...CD drive which is part of a local area network The InfoServer is used to access CD ROMs for software installation and for on line documentation on VAX 7000 systems The DEMNA and DEMFA adapters are int...

Page 28: ...or use in DEC 7000 systems The TF85 tape drive is located in the front of the sys tem cabinet in the upper right corner for use in VAX 7000 systems User applications can use the tape drive as an I O d...

Page 29: ...connected to the DEC 7000 system through the KZMSA adapter in the XMI card cage VAX 7000 The TF85 a DSSI device is connected to the VAX 7000 system through the KFMSA BA adapter in the XMI card cage Fo...

Page 30: ...n AC input box DC distribution box power regulators cabinet control logic module optional battery PIU power distribution cables and signal interconnect cables Figure 2 3 Power System Front Power Regul...

Page 31: ...o three power regulators These regulators are used in parallel one or two for the required load plus an additional regula tor for backup in case of failure Power regulator filler modules are used in u...

Page 32: ...ven memory array modules and one IOP module The LSB bus interconnects the CPU memory and IOP modules Figure 2 4 LSB Card Cage System Cabinet Rear LSB Card Cage BXB 0055B 92 IOP Module Front Rear 4 5 6...

Page 33: ...ain one IOP module which is always installed in slot 8 The other eight slots contain a combination of memory and CPU modules Unused slots contain filler modules which manage the airflow through the ca...

Page 34: ...ight of the control panel Ethernet and other I O connections are located on the I O bulkhead in the lower rear of the cabinet Figure 2 5 Control Status and I O Connections BXB 0053 92 Rear I O Bulkhea...

Page 35: ...These expansion bays can contain another XMI PIU a SCSI PIU for DEC 7000 systems a DSSI PIU for VAX 7000 systems or a battery PIU The number of expansion bays used by each PIU varies depending on the...

Page 36: ...2 12 System Components 2 6 Cooling System The cooling system cools the power system the LSB card cage control logic and PIUs Figure 2 6 Airflow BXB 0056 92...

Page 37: ...low Air is exhausted at the middle of the cabinet front and rear The blower speed varies based on the system s ambient temperature The cooling system has safety detectors static air pressure sensors a...

Page 38: ...System Options System options include additional power regulators and addi tional PIUs for I O disks tapes and batteries Figure 2 7 System Options BXB 0021B 92 Front Additional Power Regulators Space...

Page 39: ...ry PIUs provide a minimum of 8 minutes of full system operation when fully charged and nominally provide 11 minutes of full system operation In Cabinet Tape Drive A TLZ06 tape drive can be installed i...

Page 40: ...o power regulators dependent on the system configuration however an optional second or third power regulator can be installed as a backup DEC 7000 An RRD42 CD drive is required in the DEC 7000 system...

Page 41: ...cators 3 1 Chapter 3 Controls and Indicators This chapter introduces the system controls and indicators Sections in clude Control Panel Keyswitch Control Panel Indicator Lights Circuit Breaker and AC...

Page 42: ...a keyswitch and status lights The keyswitch regulates power going into the system determines the use of the console terminal and controls system operation The four switch positions are Disable Secure...

Page 43: ...Disable Removes 48 VDC power from the system Power is still sup plied to the CCL module Secure Prevents entry into console mode position used while ma chine executes programs Enable Allows entry into...

Page 44: ...ator Lights The control panel has three status indicator lights Key On Run and Fault These lights indicate the operating status of the system Figure 3 2 Control Panel Indicator Lights O BXB 0015F 92 F...

Page 45: ...is supplied only to the cabinet control logic module Run Green On System is executing operating programs or certain power up tests Ctrl P halts the execution of operating system pro grams when the ke...

Page 46: ...eft side of the rear of the sys tem cabinet just above the blower assembly The circuit breaker can be secured in the off position with a lock Figure 3 3 Circuit Breaker and AC Power Indicators BXB 004...

Page 47: ...tors The power indicators are located below the circuit breaker handle When the system is powered on the power indicators are red When the circuit breaker is off tripped or open the power indicators c...

Page 48: ......

Page 49: ...block Booting Works Boot Processor Selection Booting from a Local Device Local Device Booting Concepts CD ROM OpenVMS Alpha AXP Booting CD ROM OSF 1 Booting Local Device Booting Examples CD ROM Bootin...

Page 50: ...nnected to the system through a CIXCD adapter by Ethernet from a remote disk on another sys tem through an InfoServer or an RRD42 CD drive Figure 4 1 Boot Devices Local Device Ethernet CI Disk HSC BXB...

Page 51: ...nected to the system by a CIXCD adapter on the XMI bus Remote disk Disk connected to another system on the Ethernet through the DEMNA Ethernet port interface or the DEMFA adapter For VAX 7000 systems...

Page 52: ...ommand syntax is shown in Figure 4 2 Figure 4 2 Device Boot Commands b oot fl ags NNNN M PPPP duRRSSSS AAA B CC D exRRSSSS AAA B CC D FILE FILENAME fxRRSSSS AAA B CC D FILE FILENAME D E M F A CIXCD KD...

Page 53: ...3 boot exa0 flags 0 0 0 file ISL_LVAX_BL102 InfoServer on Ethernet 4 6 2 boot fxa0 file ISL_LVAX_BL102 InfoServer on FDDI 4 6 2 boot fl 0 4 0 dua20 14 0 2 02 CI VMScluster 4 7 2 4 7 3 4 7 4 b fl 8DAC...

Page 54: ...se of additional boot command parameters Not all parameters are required some are optional These parameters are not used with the OSF 1 operating system The parameters are b oot fl ags NNNN M PPPP QQ...

Page 55: ...B This parameter is depos ited into bits 0 27 of General Purpose Register R5 QQ is part of the device name indicating the device type as shown in Table 4 3 Table 4 3 Device Names VAX 7000 NNNN is the...

Page 56: ...DEMFA DEMNA and KDM70 Node number of the disk drive for KFMSA and KZMSA CI node number of the HSC for CIXCD B is the device channel number It is a decimal number 0 or 1 for KFMSA and KZMSA each with t...

Page 57: ...oot fl 0 0 100 or boot fl 100 are the same as boot fl 100 where 100 is the value of the PPPP option NOTE The console prompt for a uniprocessor system is which is used throughout this document For a mu...

Page 58: ...ronment Variables Environment Variable Function auto_action Specifies the action that the console takes af ter an error halt Auto_action can be used for restarting booting and halting the sys tem Set...

Page 59: ...If not defined all processors are considered enabled dump_dev1 Complete device specification of the device to which operating system dumps are written The default value when the system is shipped is a...

Page 60: ...kname as shown in Example 4 1 Example 4 1 Set Boot Commands set boot_reset on 1 set bootdef_dev dua2 4 0 2 0 2 set boot_osflags 0 6 7 3 boot 4 the system now initializes and boots create nv work 5 set...

Page 61: ...one in step 6 4 Booting can now be done from that device by typing boot or just b 5 Use the create command to create the environment variable work The nv option stores the environment variable work in...

Page 62: ...the console prompt Primary bootstrap continues booting the operating system Boot driver on the primary processor reads bootblock from boot device System may reinitialize and self test is performed BXB...

Page 63: ...rap OpenVMS Alpha AXP or OpenVMS VAX can be booted from standalone backup Not used with the OSF 1 operating system Bootblock The bootblock is logical block zero on the system disk it contains the bloc...

Page 64: ...ot processor and all other proc essors become secondary processors This determination is made by the system at power up or initialization and can be altered us ing console commands Figure 4 5 Determin...

Page 65: ...he processor with the lowest node ID number passing self test that is eligible to become the boot processor Once the boot processor has been determined all other processors on the system wait for comm...

Page 66: ...gure 4 6 Local Device Booting Expander Cabinet System Cabinet External RA Disk Cabinet BXB 0305B 92 boot dud3 A B C D boot dua2 A B C D boot duc1 A B C D Where dk du device name a c d controller 1 2 3...

Page 67: ...7000 Local devices can be installed in the DEC 7000 system The DEC 7000 system cabinet can contain up to two SCSI PIUs the ex pander cabinet can contain up to six SCSI PIUs and the external RA disk c...

Page 68: ...0 R2TDYC DIA2 RF73 boot flags 0 0 dka100 1 0 1 0 2 Booting 3 Connecting to boot device dka100 initializing HWRPB at 2000 initializing page table at 1ee000 initializing machine state jumping to bootstr...

Page 69: ...column shows the device type 2 In the boot command flags indicates that additional command pa rameters follow 0 is the system root of the boot device 0 is the boot strap option dk is the device code...

Page 70: ...16 blocks from dka100 1 0 2 0 bootstrap code read in base 1fe000 start 0 initializing HWRPB at 2000 initializing page table at 1f2000 initializing machine state jumping to bootstrap at 1fe000 Resettin...

Page 71: ...ler The third column shows the device type 2 In the boot command dk is the device code of the boot device a is the boot device controller designation and 100 specifies the hexadeci mal unit number of...

Page 72: ...how device com mand which is used to determine the location of the boot device Example 4 4 Sample Local Device Boots show device 1 polling for units on kfmsa0 slot 1 xmi0 2 dua2 2 0 1 0 R2TDYC DIA2 RF...

Page 73: ...he boot device controller designation and 2 specifies the unit number of the boot device The next 2 is the node number 0 is the device channel number 1 is the XMI node number and 0 is the I O channel...

Page 74: ...ver used to first load the operating system for the VAX 7000 First find the available InfoServer services and then select one of them Enter function ID to Choose Service Place CD in CD drive Enter Opt...

Page 75: ...Server Figure 4 7 illus trates these steps See Section 4 6 2 for information on show network and boot commands Each InfoServer drive has its own address so either drive can contain the CD needed to lo...

Page 76: ...NODE 3 A M P P TYP o ST1 E B BPD o ST2 E B BPD ST3 E B BPD C0 XMI C1 C2 C3 A0 ILV 128 128Mb Firmware Rev V1 0 1625 SROM Rev V1 0 0 SYS SN GAO1234567 Booting Connecting to boot device exa0 flags 0 0 0...

Page 77: ...rdware address in hex 08 00 2B 0B BB ED 2 Boot standalone backup across the Ethernet by specifying the console device name of the network device exa0 additional command pa rameters flags 0 0 0 the Ini...

Page 78: ...on ID value 3 2 OPTION OPTION ID 1 Find Services 2 Enter known Service Name Enter an Option ID value 1 3 Working Servers found 2 4 Service Name Format Service Number Service Name Server Name Ethernet...

Page 79: ...played Enter 1 to display the available Ethernet servers and services In this example two servers are found on the Ethernet 4 Each server has two services 1 and 2 The service names are listed such as...

Page 80: ...er and HSC disk controller or a DSSI configuration with a KFMSA and controller as shown in Figure 4 9 Figure 4 9 Booting from CI and DSSI VMSclusters BXB 0070D 92 NI Adapter CI Adapter NI Adapter CI A...

Page 81: ...ptional APB or VMB parameters are zero Figure 4 9 shows sample VMScluster configurations Logically each DSSI bus is equivalent to a small CI with a Star Coupler The RF devices on the DSSI are function...

Page 82: ...1 RA82 dua80 15 0 2 0 100 DUA80 RA90 boot fl 4 0 dua20 14 0 2 0 2 Booting 3 Connecting to boot device dua20 initializing HWRPB at 2000 initializing page table at 1ee000 initializing machine state jump...

Page 83: ...additional command parame ters follow 4 is the booting system root on the cluster system disk 0 is the bootstrap option du is the device code of the boot device a is the boot device controller designa...

Page 84: ...0 2 0 is a valid boot block reading 16 blocks from dua31 14 0 2 0 bootstrap code read in base 1fe000 start 0 initializing HWRPB at 2000 initializing page table at 1f2000 initializing machine state jum...

Page 85: ...vice code of the boot device a is the boot device controller designation and 31 specifies the unit num ber of the boot device The 14 is the HSC controller node number that the boot device is connected...

Page 86: ...0 2 Booting 3 Connecting to boot device dua20 block 0 of dua20 is a valid boot block reading 85 blocks from dua20 bootstrap code read in base 116000 start 200 boot device name dua20 14 0 2 0 boot fla...

Page 87: ...follow 0 indicates no shadow set 4 is the booting system root on the cluster system disk 0 is the VMB option du is the device code of the boot device a is the boot device controller designation and 2...

Page 88: ...ting is used with OpenVMS VAX to boot from a virtual disk that is set up by the console boot fl ags 8DAC 2 0 dua3500 14 0 12 1 dua63 14 0 12 1 BXB 0303B 92 Virtual device Physical device parameters Vi...

Page 89: ...4 The device search list contains dua3500 which is the virtual device and dua63 which is the physical device The console first attempts to boot from the virtual device followed by the physical device...

Page 90: ...1 1 0 6 0 R2TDYC DIA1 RF73 dub2 2 0 6 0 R2TDYC DIA2 RF73 boot flags 0 3 0 dub1 1 0 6 0 2 Initializing F E D C B A 9 8 7 6 5 4 3 2 1 0 NODE 3 A M P P TYP o ST1 E B BPD o ST2 E B BPD ST3 E B BPD C0 XMI...

Page 91: ...evice type 2 In the boot command flags indicates that additional command pa rameters follow 0 is the shadow set unit 3 is the system root of the boot device 0 is the VMB option du is the device code o...

Page 92: ......

Page 93: ...oot program build eeprom Creates a new EEPROM image or restores a cor rupted one cdp Configures DSSI devices clear1 Removes an environment variable continue Resumes processing at the point where it wa...

Page 94: ...ironment variable show1 Displays an option or environment variable start Starts the execution of instructions at the specified ad dress stop Stops a secondary CPU test Tests the system a subsystem or...

Page 95: ...oot command for OpenVMS Alpha AXP Table B 2 lists the OSF 1 options used with the boot command Table B 3 lists the virtual memory boot VMB options used with the boot command for OpenVMS VAX These opti...

Page 96: ...t 8 Performs a diagnostic bootstrap 10 Stops the boot procedure at the bootstrap break points 20 Omits the header from the secondary bootstrap image 40 Inhibits memory testing 80 Prompts for the name...

Page 97: ...Boot Options B 3 Table B 2 OSF 1 Boot Options Option Function a Boots the system disk to multiuser mode d Do full clumps i Boot to interactive mode plus options s Default boot option...

Page 98: ...ck whose logical block number is specified in the General Purpose Register R4 4 Not used 5 Boot breakpoint This stops the primary and secondary load ers with a breakpoint BPT instruction before testin...

Page 99: ...y hardware path information and the update process is highly automated Both the LFU program and the firmware microcode images it writes are supplied on a CD ROM You start LFU on DEC 7000 systems by bo...

Page 100: ...ion Display Displays the system s configuration table Exit Return to loadable offline operating environment List Lists the device types and firmware revisions supported by this revision of LFU Modify...

Page 101: ...the show device command to find the name of the RRD42 CD drive 2 Enter the boot command to boot from the RRD42 The RRD42 has a device name of dka100 3 LFU starts displays a summary of its commands and...

Page 102: ...wn Service Name Enter an Option ID value 1 3 Working Servers found 3 Service Name Format Service Number Service Name Server Name Ethernet ID 1 INFO4 RZ57 INFO4 08 00 2B 26 A6 98 2 6000_DIAG_H INFO3 08...

Page 103: ...urrent firmware with loadable data image Verify Compares loadable and device images or Help Scrolls the function table Function 5 1 Enter the boot command to boot from the InfoServer Note that the ISL...

Page 104: ...tion is Device Mnemonic performed to a single device Device Mnemonic performed to all devices of the same type or All performed to all devices in the system Exit not performed Program returns to Selec...

Page 105: ...ample show kdm70 would display all KDM70 controller modules 3 If you enter an exit command at the device prompt LFU returns to the function prompt for another command 4 The most useful form of the com...

Page 106: ...t your terminal are sup ported for firmware updates Example C 4 List Command Function l 1 Loadable Firmware Update Utility Version 2 01 2 Name Mnemonic Update Firmware Update Hardware Revision Revisio...

Page 107: ...lar device but only one firmware revision corresponds to any hardware revision Comparing the output of the list and show commands helps you understand which devices should receive firmware updates 2 V...

Page 108: ...3 Update cixcd0 Y N y 4 WARNING updates may take several minutes to complete for each device DO NOT ABORT cixcd0 Updating to 70 00 Reading Device Verifying 70 00 PASSED Function update 5 Name Type Rev...

Page 109: ...ldcard LFU tries to update all modules 6 LFU prints the configuration table and prompts before all devices are updated 7 This message appears because in this example the firmware on the DEMNA module i...

Page 110: ...and returns to the system console prompt Example C 6 Exit Command Function show Device Mnemonic s exit 1 Function exit 2 Initializing F E D C B A 9 8 7 6 5 4 3 2 1 0 NODE A M P P TYP o ST1 E B BPD o...

Page 111: ...Updating Firmware C 13 1 From within the Device Mnemonic s prompt exit returns to the Function prompt 2 At the Function prompt exit causes the system to be initialized 3 The console prompt appears...

Page 112: ...0000 0000 unknown0 8 DWLMA 102A A5A6 dwlma0 N A A A CIXCD 0C05 EB11 cixcd0 69 00 A01 Function verify kdm700 2 kdm700 Reading Device Verifying 3 00 FAILED At Address 3d830 3 Hardware data 41570020 Upd...

Page 113: ...devices 2 Verify reads the firmware from the module into memory and com pares it with the update firmware on the CD ROM If a module al ready verified successfully when you updated it but later failed...

Page 114: ......

Page 115: ...cute operating system code In general a single proces sor is designated as the primary or master processor other processors are the slaves The slave processors are limited to performing certain tasks...

Page 116: ...he system load device into mem ory CD ROM DEC 7000 VAX 7000 Console CD ROM Contains the LFU utility used in upgrading firmware and copies of the firmware for all modules in the system including the co...

Page 117: ...pters and devices Console program The code that the boot processor executes during console mode Each proc essor has a copy of this code in flash ROMs After a boot processor has been determined that pr...

Page 118: ...d necessary cables and the XMI clock card See also XMI PIU and XMI clock DWMBB The XMI to VAXBI adapter a 2 module adapter that allows data transfer from the XMI to the VAXBI Environment variables UNI...

Page 119: ...hared between the console and system soft ware a critical resource during bootstraps recovery from power failures and other restart situations Hose The interconnect between the IOP module on the LSB b...

Page 120: ...onnection to nodes on a SCSI bus ISE integrated storage element All DSSI storage devices such as RF disks and TF tapes are ISEs LDC local disk converter Converts 48 VDC to 5V and 12V needed by the sto...

Page 121: ...erate in parallel More protocol A protocol used on the XMI bus that allows XMI nodes to make noninter locked memory reads and writes Using the More protocol increases I O performance Node LSB LSB node...

Page 122: ...d internal console data structures are initialized After power up the secondary processors also use the console code from memory SCSI Small Computer System Interface An industry standard interface for...

Page 123: ...ting system dynami cally maps a given virtual address to a physical adddress VMB The virtual memory boot program VMB EXE that boots the OpenVMS VAX operating system VMB is the primary bootstrap progra...

Page 124: ......

Page 125: ...4 32 Boot command 4 20 4 22 4 34 4 36 4 38 4 42 A 1 Boot device 4 2 4 15 Boot driver 4 15 Boot procedure 4 14 Boot processor 1 5 4 1 4 17 selection 4 16 Boot program 4 14 Build EEPROM command A 1 C CC...

Page 126: ...ive 1 9 2 15 IOP module 1 5 1 11 ISL C 5 I O bulkhead 1 11 2 11 I O bus adapter module 1 5 I O PIU 1 7 1 9 I O port module 1 5 K KDM70 4 3 Keyswitch 3 3 Key On light 3 5 KZMSA 2 3 4 3 L LFU 4 3 C 1 Li...

Page 127: ...how device command 4 24 4 34 4 36 4 38 Show network command 4 28 Start command A 2 Status indicator lights 3 4 Stop command A 2 System architecture 1 4 characteristics 1 2 footprint 1 2 options 2 14 T...

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