w83c553f Winbond Electronics Corp America, w83c553f Datasheet - Page 109

• Manufacturer Part Number: w83c553f
• Description: System I/o Controller With Pci Arbiter
• Manufacturer: Winbond Electronics Corp America

W83C553F
NMI Status and Control (Port B) Register (default = 00h)
Type:
Bit Description:
WINBOND SYSTEMS LABORATORY
4.2.4
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bit 2:
Bit 1:
Bit 0:
Note: for Bit 3 and Bit 2, 1= Enable; 0 = Disable.
Read/Write
Miscellaneous I/O Control Registers
SERR# Status.
IOCHK# Status.
Timer Counter 2 Output.
Refresh Cycle Toggle.
IOCHK# NMI Enable.
SERR# NMI Enable.
Speaker Data Enable.
Timer Counter 2 Enable.
Electrical Specifications
106