---
**[tickets:#463] Clarification on the use of the IDCODE**
**Status:** new
**Milestone:** 0.12.0
**Created:** Tue Dec 23, 2025 02:06 PM UTC by Guanghui Cheng
**Last Updated:** Tue Dec 23, 2025 02:06 PM UTC
**Owner:** Andreas Fritiofson
The `jep106_table_manufacturer` function identifies manufacturer information
based on the `manufid` in the` idcode`. However, when the bank number is
greater than or equal to 17, it conflicts with earlier banks. For example,
`[0][0x01 - 1] = "AMD"` conflicts with
`[16][0x01 - 1] = "Shenzhen JIEQING Technology Co Ltd"`.
```
const char *jep106_table_manufacturer(unsigned int bank, unsigned int id)
{
if (id < 1 || id > 126) {
LOG_DEBUG("BUG: Caller passed out-of-range JEP106 ID!");
return "<invalid>";
}
/* index is zero based */
id--;
if (bank >= ARRAY_SIZE(jep106) || !jep106[bank][id])
return "<unknown>";
return jep106[bank][id];
}
```
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