IBM 600 User Manual
Figure
1-2 (Part 2 of 2). System Board Devices and Features
Device
Type
Features
Interrupt controller
1
15 levels of system interrupts
(interrupts are edge-triggered)
(interrupts are edge-triggered)
Keyboard/auxiliary
device controller
device controller
1
Internal keyboard
TrackPoint
Auxiliary device connector
Password security
TrackPoint
Auxiliary device connector
Password security
Diskette drive
controller
controller
2
Supports:
3.5-in. diskette (1.44 MB)
3.5-in. diskette (1.2 MB)
3.5-in. diskette (720 KB)
3.5-in. diskette (1.2 MB)
3.5-in. diskette (720 KB)
Serial controller
port
port
2
EIA-232-E interface (16550 compatible)
Programmable as serial port 1, 2, 3, or 4
One 9-pin, D-sub connector
Programmable as serial port 1, 2, 3, or 4
One 9-pin, D-sub connector
Parallel controller
port
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
IEEE P1284-A compatible
Supports bidirectional input and output
Enhanced Parallel Port (EPP) compatible
Extended Capabilities Port (ECP) compatible
Expansion bus
adapter (PCI-bus)
adapter (PCI-bus)
–
Supports externally attached devices:
SelectaDock docking system
Port replicator
PCMCIA slots
–
Conforms to the standards for:
CardBus
Two Type I or II PC cards
One Type III PC card
Two Type I or II PC cards
One Type III PC card
Modem subsystem
–
Is driven by:
MDSP 3780i
SRAM 32 Kb by 40 bits
SRAM 32 Kb by 40 bits
Crystal Audio
Voice band CODEC for modem
Voice band CODEC for modem
Internal DAA
Internal omnidirectional microphone
Internal omnidirectional microphone
Infrared subsystem
–
Supports:
ThinkPad IR/SIR/D-ASK (500 KHz) IR
Universal serial bus
(USB)
(USB)
–
Supports:
USB input and output devices
Personal Computer Memory Card
International Association
1-4 System Overview