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Fix the Password "Disabled by Jumper" error on Dimension XPS Pxxx and Pxxxa/Mxxxa

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rushieda
2025-05-21 12:04:55 +03:00
parent a1e9d63a61
commit accce358e8
1 changed files with 8 additions and 0 deletions
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8
src/device/kbc_at.c
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@@ -1106,6 +1106,14 @@ write64_generic(void *priv, uint8_t val)
*/
uint8_t p1 = 0x30;
kbc_delay_to_ob(dev, p1, 0, 0x00);
} else if (!strcmp(machine_get_internal_name(), "dellplato") | !strcmp(machine_get_internal_name(), "dellhannibalp")) {
/*
Dell Dimension XPS Pxxx & Pxxxa/Mxxxa:
- Bit 3: Password disable jumper (must be clear);
- Bit 4: Clear CMOS jumper (must be set);
*/
uint8_t p1 = 0x10;
kbc_delay_to_ob(dev, p1, 0, 0x00);
} else {
/* (B0 or F0) | (0x08 or 0x0c) */
uint8_t p1_out = ((dev->p1 | fixed_bits) & 0xf0) |