![](/images/new-backgrounds/1205057/20505795x1.webp)
The MSTR Instruction
Control Block | The registers in the MSTR control block (the top node) contain the Read CTE | |||||||
Utilization | information as described in the following table: | |||||||
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| Register | Function | Content |
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| Displayed | Operation Type | 11 |
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| First implied | Error status | Displays a hex value indicating an MSTR error, |
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| when relevant. |
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| Second implied | Not applicable |
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| Third implied | Not applicable |
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| Fourth implied | Low byte | Quantum backplane slot address of the web |
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| embedded server module. |
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| Fifth ... Eight | Not applicable |
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| implied |
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CTE Display | The values in the Ethernet configuration extension table (CTE) are displayed in a | |||||||
Implementation | series of registers in the middle node of the MSTR instruction when a Read CTE | |||||||
| operation is implemented. The middle node contains the first of 11 contiguous 4x | |||||||
| registers. The registers display the following CTE data: | |||||||
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| Parameter |
| Register |
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| Content |
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| Frame type |
| Displayed |
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| 1 = 802.3 |
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| 2 = Ethernet |
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| IP Address |
| First implied |
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| First byte of the IP address |
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| Second implied | Second byte of the IP address |
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| Third implied |
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| Third byte of the IP address |
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| Fourth implied |
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| Fourth byte of the IP address |
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| Subnetwork mask | Fifth implied |
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| Hi word |
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| Sixth implied |
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| Low word |
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| Gateway |
| Seventh implied | First byte of the gateway |
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| Eighth implied |
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| Second byte of the gateway |
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| Ninth implied |
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| Third byte of the gateway |
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| Tenth implied |
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| Fourth byte of the gateway |
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38 | 840 USE 115 00 Version 1.0 |