Appe
ndix
Appendix
User's
Manual
BAB
740
7—6
7.1.5 GPIO Use
The GPIOs of the Super-I/O are used for the following purposes:
Table 34: GPIO Usage
Name Type
Function
GPIO10 -
not
used
GPIO11
I
CPU Bus Speed (0 = 83 MHz; 1 = 66MHz)
GPIO12
I
L2 Cache Size (0 = 256 KByte; 1 = 512KByte)
GPIO13
I/O
I2C Data for SPD of 2nd SODIMM
GPIO14
O
I2C Clock for SPD of 2nd SODIMM
GPIO15
I/O
I2C Data for SPD of 1st SODIMM, ELTEC Revision EEPROM
GPIO16
O
I2C Clock for SPD of 1st SODIMM, ELTEC Revision EEPROM
GPIO17 -
not
used
GPIO20 -
not
used
GPIO21 -
not
used
GPIO22 -
not
used
GPIO23 -
not
used
GPIO24
I
HEX Switch LSB
GPIO25 I
HEX
Switch
GPIO26 I
HEX
Switch
GPIO27
I
HEX Switch MSB
7.1.6 Super-I/O Power-on Strappings
The Super-I/O wakes up in the following configuration:
Table 35: Super-I/O Wake Up Configuration:
Pin Configuration
CFG0
FDC, KBC and RTC inactive
CFG1
No X-Bus Data Buffer
CFG3,2
Clock source is 24 MHz fed via X1 Pin
BADDR1,0 PnP Motherboard, Wake in Config state, Index 015Ch
SELCS
/CS0 on /CS0 pin
Содержание BAB 740
Страница 1: ...BAB 740 Basic Automation Board with PowerPC 740 manual Revision 2C...
Страница 11: ...User s Manual Table of Contents BAB 740 V 7 1 9 PCI IDSEL 7 9 7 2 Factory settable Jumpers 7 9...
Страница 16: ...Table of Contents User s Manual BAB 740 X...
Страница 22: ...Specification Specification User s Manual BAB 740 1 6...
Страница 42: ...Connector Assignments User s Manual BAB 740 3 16 Connector Assignments...
Страница 50: ...Board Parameters Board Parameters User s Manual BAB 740 4 8...
Страница 60: ...Booting Booting User s Manual BAB 740 6 4...
Страница 74: ...NOTES...