w83627ef Winbond Electronics Corp America, w83627ef Datasheet - Page 101

• Manufacturer Part Number: w83627ef
• Description: Lpc Super I/o For Desktop & Server
• Manufacturer: Winbond Electronics Corp America

CR 27h. (Reserved)
CR 28h. (Global Option; Default 50h)
CR 29h. (OVT#/HM_SMI#, UART A, Game port & MIDI pin select; Default 04h)
6~5
2~0
5~4
2~1
BIT
BIT
7
4
3
7
6
3
0
Reserved.
Reserved.
Reserved.
READ / WRITE
READ / WRITE
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
Flash ROM size select
= 00
= 01
= 10
= 11
Select to enable/disable decoding of BIOS ROM range 000E xxxxh.
= 0
= 1
Select to enable/disable decoding of BIOS ROM range FFFE xxxxh.
= 0
= 1
PRTMODS2 ~ 0 =>
= 0xx
= 1xx
PIN5 function select
= 0
= 1
PIN49~54,56~57 function select
= 0
= 1
PIN119~120 function select
PIN121~128 function select
= 0
= 1
Bit-2
0
0
1
1M
2M
4M (Default)
8M
Enable decoding of BIOS ROM range at 000E xxxxh.
Disable decoding of BIOS ROM range at 000E xxxxh.
Enable decoding of BIOS ROM range at FFFE xxxxh.
Disable decoding of BIOS ROM range at FFFE xxxxh.
Parallel Port Mode.
Reserved.
PIN5
PIN5
PIN49~54,56~57
PIN49~54,56~57
PIN121~128
PIN121~128
W83627EHF/EF, W83627EHG/EG
Bit-1
0
1
x
OVT#
HM_SMI#.
- 95 -
Game Port.
GPIO1.
PIN 119~120
PIN 119~120
PIN 119~120
UART A.
GPIO6.
DESCRIPTION
DESCRIPTION
PIN119~PIN120 function
CPUFANIN1, CPUFANOUT1
GP21, GP20
MSI, MSO
Publication Release Date: Nov. 2006
(Default)
Revision 1.3