Table 64 - Auxilliary I/O, Logical Device 8 [Logical Device Number = 0x08]
NAME
REG
INDEX
0xC2
(R)
DEFINITION
STATE
Floppy Data Rate
Select Shadow
Bit[0] Data Rate Select 0
Bit[1] Data Rate Select 1
Bit[2] PRECOMP 0
C
Bit[3] PRECOMP 1
Bit[4] PRECOMP 2
Bit[5] Reserved
Bit[6] Power Down
Bit[7] Soft Reset
UART1 FIFO
Control Shadow
0xC3
0xC4
Bit[0] FIFO Enable
C
C
Bit[1] RCVR FIFO Reset
Bit[2] XMIT FIFO Reset
Bit[3] DMA Mode Select
Bit[5:4] Reserved
Bit[6] RCVR Trigger (LSB)
Bit[7] RCVR Trigger (MSB)
Bit[0] FIFO Enable
UART2 FIFO
Control Shadow
Bit[1] RCVR FIFO Reset
Bit[2] XMIT FIFO Reset
Bit[3] DMA Mode Select
Bit[5:4] Reserved
Bit[6] RCVR Trigger (LSB)
Bit[7] RCVR Trigger (MSB)
143
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