DIGITAL-LOGIC Microspace MSM586SEN Technical User Manual page 176

DIGITAL-LOGIC AG
I/O Ad- Read/Write
dress Status
037Ah R / W
03B0h - R / W
03B8h
I/O addresses 03BCh - 03BEh are reserved for use with parallel port 3. See the bit defi-
nitions for addresses 0378h - 037Ah.
03BCh R / W
03BDh R / W
03BEh R / W
03C0h - R / W
03CFh
03C2h - R / W
03D9h
03E0h R / W
03E1h R / W
I/O addresses 03E8h - 03EFh are reserved for use with serial port 3. See the bit defini-
tions for I/O addresses 03F8h - 03FFh.
03E8h W
03E8h R
03E8h R / W
03E9h R / W
03E9h R / W
03EAh R
03EBh R / W
03ECh R / W
03EDh R
03EEh R
03EFh R / W
03F2h W
Description
Control port for parallel port 1
bits 7-5 = Reserved
bit 4 = 1 Enable IRQ
bit 3 = 1 Select printer
bit 2 = 0 Initialize printer
bit 1 = 1 Automatic line feed
bit 0 = 1 Strobe
Various video registers
Data port - parallel port 3
Status port - parallel port 3
Control port - parallel port 3
Video subsystem (EGA/VGA)
Various CGA and CRTC registers
PCCARD Adress select
PCCARD Data transfer with 365SL controller
Transmitter holding register for serial port 3
Receive buffer register for serial port 3
Baud rate divisor (low byte) when DLAB = 1
Baud rate divisor ( high byte) when DLAB = 1
Interrupt enable register when DLAB = 0
Interrupt identification register for serial port 3
Line control register for serial port 3
Modem control register for serial port 3
Line status register for serial port 3
Modem status register for serial port 3
Scratch register for serial port 3 (used for diagnostics)
Digital output register for primary diskette drive controller
bits 7-6 = 0 Reserved
bit 5 = 1 Enable drive 1 motor
bit 4 = 1 Enable drive 0 motor
bit 3 = 1 Enable diskette DMA
bit 2 = 0 Reset controller
bit 1 = 0 Reserved
bit 0 = 0 Select drive 0
1 Select drive 1
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MSM586SEN/SEV Manual V1.5E
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