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Intel Monsoon: Improve jumper implementation, BIOS password is no longer disabled

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win2kgamer
2026-02-15 19:11:34 -06:00
parent 4ea89bb216
commit 5d3c3baaa8
1 changed files with 8 additions and 6 deletions
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14
src/device/phoenix_486_jumper.c
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@@ -54,8 +54,10 @@
/*
Intel Monsoon bit meanings:
Bit 5 = Password enable
Bit 4 = Onboard video: 1 = disabled, 0 = enabled
Bit 3 = CMOS Setup enable
Bit 2 = CMOS clear: 1 = normal, 0 = clear CMOS
*/
typedef struct phoenix_486_jumper_t {
@@ -63,8 +65,6 @@ typedef struct phoenix_486_jumper_t {
uint8_t jumper;
} phoenix_486_jumper_t;
#define ENABLE_PHOENIX_486_JUMPER_LOG 1
#ifdef ENABLE_PHOENIX_486_JUMPER_LOG
int phoenix_486_jumper_do_log = ENABLE_PHOENIX_486_JUMPER_LOG;
@@ -92,9 +92,11 @@ phoenix_486_jumper_write(UNUSED(uint16_t addr), uint8_t val, void *priv)
dev->jumper = val & 0xbf;
else if (dev->type == 2) /* PB600 */
dev->jumper = ((val & 0xbf) | 0x02);
else if (dev->type == 3) /* Intel Monsoon */
dev->jumper = val | 0x08;
else
else if (dev->type == 3) { /* Intel Monsoon */
dev->jumper = ((val & 0xef) | 0x2c);
if (gfxcard[0] != 0x01)
dev->jumper |= 0x10;
} else
dev->jumper = val;
}
@@ -117,7 +119,7 @@ phoenix_486_jumper_reset(void *priv)
else if (dev->type == 2) /* PB600 */
dev->jumper = 0x02;
else if (dev->type == 3) { /* Intel Monsoon */
dev->jumper = 0xef;
dev->jumper = 0x2c;
if (gfxcard[0] != 0x01)
dev->jumper |= 0x10;
} else {