Toshiba T2150 series Maintenance Manual page 2

Keyboard
An easy-to-use 82/84-key enhanced keyboard with full-size keys and standard spacing
is compatible with IBM standard software. The computer's keyboard supports soft-
ware that uses a 101- or 102-key enhanced keyboard.
Batteries
The T2150 series has three different batteries: a main battery, a backup battery, and a
Real Time Clock (RTC) battery.
Expansion Memory Slot
An optional 4, 8, 16, or 24 MB memory module can be installed in the memory slot.
Personal Computer Memory Card International Association (PCMCIA) card slot
The PC card slot supports up to two Personal Computer Memory Card International
Association (PCMCIA) standard version release 2.0 cards. The upper and lower slots
can each accommodate one Type II (5.0mm) card. The lower slot can accommodate
one Type III (10.5mm) card when the upper slot is empty.
Parallel port
The Centronics compatible parallel interface port can be used to connect a Centronics
compatible printer or other parallel device. The port has ECP (Enhanced Capabilities
Port) conforming to IEEE•P1284.
RS-232-C port
The T2150 series has one 9-pin serial interface port.
External Keyboard port
The PS/2 type keyboard interface connector connects with a PS/2 compatible key-
board.
Port replicator port
The port replicator port enables connection of a port replicator. The port replicator
enables connections to the following ports: PS/2 mouse, PS/2 keyboard, parallel port,
serial port, DC IN socket, joystick/MIDI port, audio line-in, audio line-out, headphone
jack with volume control dial, external FDD, and external monitor.
External monitor port
One 15-pin RGB port on the back can be connected to an external video display.
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