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This statement enables ACE mode if the CHARON-VAX license permits it. If this statement is omitted from the CHARON-VAX configuration file and the license permits it, "true" is the default. Otherwise "false" is the default. For test purposes the ACE mechanism can be disabled with:
set cpu ace_mode=false |
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"set cpu ace_mode=true" is ignored when the license does not permit ACE operation. |
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| Hardware Model | RAM size (in MB) | |||
|---|---|---|---|---|
| Min | Max | Default | Increment | |
| MicroVAX_II | 1 | 16 | 16 | 1,8,16 |
| MicroVAX_3600 | 16 | 64 | 16 | 16 |
| MicroVAX_3900 | 16 | 64 | 16 | 16 |
| VAXserver_3600 | 16 | 64 | 16 | 16 |
| VAXserver_3900 | 16 | 64 | 16 | 16 |
| VAXserver_3600_128 | 32 | 128 | 32 | 32 |
| VAXserver_3900_128 | 32 | 128 | 32 | 32 |
| MicroVAX_3100_Model_96 | 16 | 128 | 16 | 16 |
| VAXstation_4000_Model_90 | 16 | 128 | 16 | 16 |
| VAX_4000_Model_106 | 16 | 128 | 16 | 16 |
| VAX_6000_Model_310 | 32 | 512 | 32 | 32 |
| VAXserver_3600_512 | 32 | 512 | 32 | 32 |
| VAXserver_3900_512 | 32 | 512 | 32 | 32 |
| MicroVAX_3100_Model_98 | 16 | 512 | 16 | 16 |
| VAX_4000_Model_108 | 16 | 512 | 16 | 16 |
| VAX_4000_Model_700 | 64 | 512 | 64 | 64 |
| VAX_4000_Model_705 | 64 | 512 | 64 | 64 |
| VAX_6610 | 128 | 3584 | 128 | 128 |
| VAX_6620 | 128 | 3584 | 128 | 128 |
| VAX_6630 | 128 | 3584 | 128 | 128 |
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| Hardware Model (cont.) | RAM size (in MB) | |||
|---|---|---|---|---|
| Min | Max | Default | Increment | |
| VAX_6640 | 128 | 3584 | 128 | 128 |
| VAX_6650 | 128 | 3584 | 128 | 128 |
| VAX_6660 | 128 | 3584 | 128 | 128 |
TOY
CHARON-VAX maintains its time and date via the "toy" (time-of-year) component. In order to preserve time and date while a virtual system is not running, the TOY component uses a binary file on the host system to store date and time relevant data. The name of the file is specified by the “container” option of the "toy" component.
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| Parameter | container |
|---|---|
| Type | Text string |
| Value | Specifies a name of a file in which CHARON-VAX preserves time and date during its “offline” period. This file also keeps some console parameters (such as default boot device). By default it is left unspecified.
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It is recommended to specify the full path to the fileExample:
set toy container="/charon/my_virtual_system.dat" |
The CHARON-VAX time zone may be different from that of the host system. Correct CHARON time relies on the correctness of the host system time to calculate the duration of any CHARON “offline” periods. (i.e. while virtual system is not running). Every time CHARON comes on line it calculates a Delta time (the system time is used if there is no TOY file). Therefore, if the host system time is changed while CHARON is not running, the CHARON time may be incorrect when CHARON is restarted and the CHARON time must be set manually.
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ROM
The System Flash ROM file conserves specific parameters between reboots.
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| Parameter | container |
|---|---|
| Type | Text string |
| Value | Specifies the name of a file in which CHARON-VAX stores an intermediate state of its Flash ROM. This state includes, for example, most of the console parameters. By default it is left unspecified.
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Example:
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EEPROM
container
| Parameter | container | |
|---|---|---|
| Type | Text string | |
| Value | A string specifying a file name to store content of EEPROM. Example:
This command enables EEPROM parameters (e.g., default boot drive) to be automatically saved to a specified file. The EEPROM file is created in the directory in which CHARON-VAX starts and is created or overwritten each time any parameter relevant to EEPROM content is changed.
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Example:
set eeprom container="/charon/my_virtual_system.rom" |
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Auto boot
CHARON-VAX systems may be configured to boot the operating system automatically at start up.
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MicroVAX II, MicroVAX 3600/3900 and VAXserver 3600/3900
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VAX66x0
xmi boot
| Parameter | xmi boot | |
|---|---|---|
| Type | Text string | |
| Value | Determines whether the CHARON VAX66x0 startup procedure stops at the ">>>" prompt after self-tests. The values are:
Example:
The value "auto" enables automatic boot from a default boot specification previously configured in the VAX console.The value "manual" disables automatic boot once the self tests are passed. |
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