FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 120

• Manufacturer Part Number: FDC37C669_07
• Description: PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
• Manufacturer: SMSC [SMSC Corporation]

Default
9CH
FFH
3CH
3CH
3CH
3DH
28H
88H
78H
00H
00H
00H
00H
00H
00H
00H
00H
03H
02H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
CR12-
CR0A
CR0B
CR0C
CR0D
CR0E
CR1D
CR1E
CR00
CR01
CR02
CR03
CR04
CR05
CR06
CR07
CR08
CR09
CR0F
CR10
CR11
CR1F
CR20
CR21
CR22
CR23
CR24
CR25
CR26
CR27
CR28
CR29
UART2 PWR
Lock CRx
Reserved
UART 2
IR_Test
ALT I/O
ADRA7
ADRX/
DRV2/
IRQ_B
Speed
Test 7
Valid
DB7
Floppy Drive D
ADRx Config
FDD3-DRTx
FDD3-DTx
Auto Power Management
EPP Type
PLL_Clk
UART 1
ARDA6
IDENT
EXTx4
Speed
Test 6
DB6
Serial 1 IRQ
FDC DRQ
Reserved
Reserved
Table 46 - Configuration Registers
FDC IRQ
Parallel Port - ADR[9:2]
Serial Port 1 - ADR[9:3]
Serial Port 2 - ADR[9:3]
IDE - nHDCS0 - ADR[9:4]
IDE - nHDCS1 - ADR[9:4]
DRV 0X1
Reserved
Reserved
Reserved
AceStop
ADRA5
GAMECS - ADR[9:4]
MIDI 2
Test 5
MFM
DB5
Floppy Drive C
FDC - ADR[9:4]
FDD2-DRTx
FDD2-DTx
Reserved
UART 2 Mode
DRVDEN 1
Reserved
ADRA4
Pll Stop
MIDI 1
Test 4
120
DB4
Device Revision
DEN SEL
Device ID
Reserved
FDC PWR
PP MODE
Reserved
Pll Gain
UART1
Test 3
PWR
DB3
Parallel Port FDC
0
Floppy Drive B
FDD1-DRTx
FDD1-DTx
Reserved
DMA Mode
Reserved
PP PWR
ADRA10
UART 2
Duplex
ADRX/
DRV2/
IRQ_B
Test 2
DB2
ECP FIFO Threshold
0
Parallel Port DRQ
Parallel Port IRQ
Serial 2 IRQ
IRQIN IRQ
FDC Mode 2
Test 10ms
Enhanced
Reserved
Reserved
UART 2
ADRA9
Polarity
Test 1
XMIT
DB1
Floppy Boot Drive
GAMECS Config
0
0
0
0
PP Ext. Modes
Floppy Drive A
FDD0-DRTx
FDD0-DTx
Reserved
Reserved
IDE EN
IR loop Back
GAMECS
PWRGD/
UART 2
ADRA8
Polarity
Test 0
RCV
DB0
0
0
0
1
0
0