YMF744B ETC [List of Unclassifed Manufacturers], YMF744B Datasheet - Page 11

• Manufacturer Part Number: YMF744B
• Description: DS-1S
• Manufacturer: ETC [List of Unclassifed Manufacturers]

YMF744B
00-01h: Vendor ID
02-03h: Device ID
04-05h: Command
b[15:0] ........Vendor ID
b[15:0] ........Device ID
b0................IOS: I/O Space
b1................MS: Memory Space
b2................BME: Bus Master Enable
This register contains the YAMAHA Vendor ID registered in Revision 2.2. This register is hardwired to
1073h.
This register contains the Device ID of DS-1S. This register is hardwired to 0010h.
This bit is a dummy one that is capable of writing. This bit indicates for BIOS or OS that DS-1S
includes I/O devices.
This bit enables DS-1S to response to Memory Space Access.
This bit enables DS-1S to act as a master device on the PCI bus.
b15
b15
b15
“0”: DS-1S ignores Memory Space Access.
“1”: DS-1S responds to Memory Space Access.
“0”: Do not set DS-1S to be the master device.
“1”: Set DS-1S to be the master device.
-
Read Only
Default: 1073h
Access Bus Width: 8, 16, 32-bit
Read Only
Default: 0010h
Access Bus Width: 8, 16, 32-bit
Read / Write
Default: 0000h
Access Bus Width: 8, 16, 32-bit
b14
b14
b14
-
b13
b13
b13
-
b12
b12
b12
-
b11
b11
b11
-
b10
b10
b10
-
b9
b9
b9
-
-11-
SER
b8
b8
b8
Vendor ID
Device ID
(default)
(default)
b7
b7
b7
-
PER
b6
b6
b6
b5
b5
b5
-
b4
b4
b4
-
b3
b3
b3
-
February 3, 1999
BME
b2
b2
b2
MS
b1
b1
b1
IOS
b0
b0
b0