Specifications

AMD Geode™ GeodeROM Functional Specification 137
System Services
32087C
TV Video timeout 1 Byte See “Standby timeout” (TY, this table)
TU Serial port timeout 1 Byte See “Standby timeout” (TY, this table)
TP Parallel port timeout 1 Byte See “Standby timeout” (TY, this table)
W1 Wakeup mask PIC1 1 Byte Bit mask: Bit 0 = IRQ0, etc.
W2 Wakeup mask PIC2 1 Byte Bit mask: Bit 0 = IRQ8, etc.
WC Wakeup century 1 Bit 0 = 1999
1 = 2000
WY Wakeup year 1 Byte BCD value for year mod 100 (0-99)
WM Wakeup month 1 Byte BCD value for month (0-12)
WD Wakeup day 1 Byte BCD value for day (0-31)
WH Wakeup hour 1 Byte BCD value for hour (0-23)
WT Wakeup minute 1 Byte BCD value for minute (0-59)
WS Wakeup second 1 Byte BCD value for second (0 - 59)
WE Wakeup enable 3 Bits Not implemented: 000 = Disable
PS Suspend-to-Disk or Suspend-to-RAM
(S2D / S2R)
1 Bit 0 = Normal boot
1 = Wake from S2D or S2R
U1 UART1 configuration 3 Bits 000 = Disable
001 = 3F8, IRQ4
010 = 2F8, IRQ3
011 = 3E8, IRQ4
100 = 2E8, IRQ3
101-111 = Reserved
U2 UART2 configuration 3 Bits 000 = Disable
001 = 3F8, IRQ4
010 = 2F8, IRQ3
011 = 3E8, IRQ4
100 = 2E8, IRQ3
101-111 = Reserved
U3 UART3 configuration 3 Bits 000 = Disable
001 = 3F8, IRQ4
010 = 2F8, IRQ3
011 = 3E8, IRQ4
100 = 2E8, IRQ3
101-111 = Reserved
U4 UART4 configuration 3 Bits 000 = Disable
001 = 3F8, IRQ4
010 = 2F8, IRQ3
011 = 3E8, IRQ4
100 = 2E8, IRQ3
101-111 = Reserved
LA LPT1 I/O port 2 Bits 00 = Disable
01 = 378
10 = 278
11 = 3BC
LI LPT1 IRQ (only used when necessary,
depending on port mode)
2 Bits 00 = IRQ5
01 = IRQ7
10-11 = Reserved
Table 12-4. NVRAM Table (Continued)
Token
1
Description Width Definition