IBM 770 User Manual
IDE Channel on the UltraBay II
A primary IDE channel is provided on the UltraBay connector,
providing two system settings:
providing two system settings:
A secondary IDE channel is provided on the UltraBay connector,
providing two system settings:
providing two system settings:
If a hard disk is attached to the hard disk connector, an IDE device
on the UltraBay becomes a primary slave. (The hard disk attached
to the hard disk connector is the primary master.) If no hard disk is
attached to the hard disk connector, an IDE device on the UltraBay
is a primary master.
on the UltraBay becomes a primary slave. (The hard disk attached
to the hard disk connector is the primary master.) If no hard disk is
attached to the hard disk connector, an IDE device on the UltraBay
is a primary master.
MIDI/Joystick Port
The MIDI/joystick port consists of the following functions:
MIDI port (in/out)
Joystick port
A standard game port connector is provided with a MIDI/joystick
cable.
cable.
MIDI Interface
A MIDI communication function is provided with the DSP subsystem.
The MIDI interface is compatible with MPU-401 (UART mode).
The MIDI interface is compatible with MPU-401 (UART mode).
Joystick Interface
A joystick interface is provided at I/O address 0201. You can select
whether to enable or disable it with the ThinkPad Features program.
whether to enable or disable it with the ThinkPad Features program.
I/O Address
IRQ Level
01F0–01F7
03F6
03F6
IRQ 14
I/O Address
IRQ Level
0170–0177
0376
0376
IRQ 15
3-14 Subsystems