Figure
1-2 (Part 2 of 2). System Board Devices and Features
Device
Type
Features
Video subsystem
–
SVGA video functions:
Up to 16,777,216 colors on the TFT LCD
and an external display
See “Video Subsystem” on page 3-2 for more
details of the video subsystem.
DMA controller
1
Seven DMA channels (AT compatible)
Four 8-bit channels and three 16-bit channels
Interrupt controller
1
15 levels of system interrupts
(interrupts are edge-triggered)
Keyboard/auxiliary
device controller
1
Internal keyboard
TrackPoint Press-to-Select
Auxiliary device connector
Password security
Diskette drive
controller
2
Supports:
3.5-in. diskette (1.44 MB)
3.5-in. diskette (1.2 MB) (Japan-unique)
3.5-in. diskette (720 KB)
Hard disk controller
–
Supports IDE controller
Serial controller
port
2
EIA-232-E interface (16550 compatible)
Programmable as serial port 1, 2, 3, or 4
One 9-pin, D-sub connector
Parallel controller
port
1
Programmable as parallel port 1, 2, or 3
IEEE P1284-A compatible
Supports bidirectional input and output
Enhanced Parallel Port (EPP) compatible
Extended Capabilities Port (ECP) compatible
Expansion bus
adapter
–
Supports externally attached devices:
Port replicator
Port replicator with Advanced EtherJet
Feature
PC Card
ñ
slots
–
Conforms to the standards and
specifications listed in Figure 3-3 on page 3-8
Two Type I or II PC cards
One Type III PC card
Audio subsystem
–
Sound Blaster**-Pro compatible
Infrared subsystem
–
Supports:
IrDA 1.1
Universal serial bus
(USB)
–
Supports:
USB input and output devices
1-4
ThinkPad 560Z System Overview