参数资料
型号: YMF754-V
厂商: Yamaha Corporation
英文描述: DS-1E
中文描述: 副秘书长至1E
文件页数: 14/60页
文件大小: 305K
代理商: YMF754-V
YMF754
June 28, 1999
-21-
44-45h: Subsystem Vendor ID Write
Read / Write
Default: 1073h
Access Bus Width: 16-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Subsystem Vendor ID Write
b[15:0] ........Subsystem Vendor ID Write
This register sets the Subsystem Vendor ID that is read from 2C-2Dh (Subsystem Vendor ID register).
The default value is the YAMAHA Vendor ID, 1073h.
IHVs must change this ID to their Vendor ID in
the BIOS POST routine.
In case EEPROM connects externally, this register is invalid, and do not reflect to Subsystem Vendor ID.
46-47h: Subsystem ID Write
Read / Write
Default: 0012h
Access Bus Width: 16-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Subsystem ID Write
b[15:0] ........Subsystem ID Write
This register sets the Subsystem ID that is read from 2E-2Fh (Subsystem ID register).
The default value is the DS-1E Device ID, 0012h.
IHVs must change this ID to their ID in the BIOS
POST routine.
In case EEPROM connects externally, this register is invalid, and do not reflect to Subsystem ID.
48-49h: DS-1E Control
Read / Write
Default: 0001h
Access Bus Width: 8, 16, 32-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
-
ACLS WRST
-
CRST
b0................CRST: AC’97 Software Reset Signal Control
This bit controls the CRST# signal.
“0”: Inactive (CRST#=High)
“1”: Active (CRST#=Low)
(default)
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