Changes

44 bytes added ,  00:12, 16 May 2023
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= Contents =
 
= Contents =
Most of the data here is written once at the factory and never changed, but some fields are updated fairly frequently:
+
Most of the data here is only written once during manufacturing, but some fields are updated fairly frequently. Items listed as reserved are empty and not known to be used.
 
{| style="border: 1px solid #bbb; border-collapse: collapse; background-color: #eef; padding: 0.2em 0.2em 0.2em 0.2em;" border="1" cellpadding="2"
 
{| style="border: 1px solid #bbb; border-collapse: collapse; background-color: #eef; padding: 0.2em 0.2em 0.2em 0.2em;" border="1" cellpadding="2"
 
|- style="background-color: #ddd;"
 
|- style="background-color: #ddd;"
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|-
 
|-
 
| 0-9
 
| 0-9
| CPU speed in MHz used for delay calculations.
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| CPU speed in MHz used for delay calculations
 
|-
 
|-
 
| 10-14
 
| 10-14
| Value for delaying before checking if the SD boot combo has been pressed.
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| Value for delaying before checking if the SD boot combo has been pressed
 
|-
 
|-
 
| 15
 
| 15
| Causes 0x3 to be written to LT_IOP2X which increases the ARM CPU clock multiplier.
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| Causes 0x3 to be written to LT_IOP2X which increases the ARM CPU clock multiplier
 
|}
 
|}
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|-
 
|-
 
| 0-7
 
| 0-7
| SD card clock divider.
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| SD card clock divider
 
|-
 
|-
 
| 8-9
 
| 8-9
| Value for delaying before initializing the SD host controller.
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| Value for delaying before initializing the SD host controller
 
|-
 
|-
 
| 10
 
| 10
| Enables SD card 4-bit bus through CMD55 (SD_APP_CMD) and CMD6 (SD_APP_SET_BUS_WIDTH).
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| Enables SD card 4-bit bus through CMD55 (SD_APP_CMD) and CMD6 (SD_APP_SET_BUS_WIDTH)
 
|-
 
|-
 
| 11
 
| 11
| Enables using the supplied value for the SD card clock divider.
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| Enables using the supplied value for the SD card clock divider
 
|-
 
|-
 
| 12
 
| 12
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|-
 
|-
 
| 13
 
| 13
| Enables using the supplied value for overwriting NAND_BANK.
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| Enables using the supplied value for overwriting NAND_BANK
 
|-
 
|-
 
| 14
 
| 14
| Enables using the supplied value for overwriting NAND_CONFIG.
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| Enables using the supplied value for overwriting NAND_CONFIG
 
|-
 
|-
 
| 15
 
| 15
| Forces NAND to validate ECC data.
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| Forces NAND to validate ECC data
 
|}
 
|}
    
[[Category:Hardware]]
 
[[Category:Hardware]]