w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 65
![no-image](/images/no-image-200.jpg)
w83c554f
Manufacturer Part Number
w83c554f
Description
System I/o Controller With Pci Arbiter & Ultradma/33 Ide Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83C554F.pdf
(156 pages)
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Part Number:
W83C554F
Manufacturer:
Winbond
Quantity:
1 831
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W83C554F
ISA ROM Address Decode Enable Register (default = 00h)
Function:
Type:
Bit Description:
WINBOND ELECTRONICS CORP. AMERICA
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bit 2:
Bit 1:
Bit 0:
When a bit is set to "1", memory accesses to the corresponding address range in the add-on BIOS area
are forward to the PCI bus.
Read/Write
MBEDC. Memory Block Enable; 880-896 KByte. (DC000-DFFFFh).
MBED8. Memory Block Enable; 864-880 KByte. (D8000-CBFFFh).
MBED4. Memory Block Enable; 848-864 KByte. (D4000-C7FFFh).
MBED0. Memory Block Enable; 832-848 KByte. (D0000-C3FFFh).
MBECC. Memory Block Enable; 816-832 KByte. (CC000-CFFFFh).
MBEC8. Memory Block Enable; 800-816 KByte. (C8000-CBFFFh).
MBEC4. Memory Block Enable; 784-800 KByte. (C4000-C7FFFh).
MBEC0. Memory Block Enable; 768-784 KByte. (C0000-C3FFFh).
Register Information
63
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