IBM MICRO TOWER 2169 - Manual (Page 42)

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Hardware Interfaces
The following peripheral interfaces for adapters, options, and
drives are supported in the system unit.
Table 1-1 System Board Hardware Interfaces
Item Interface
Expansion slot for
I/O adapter cards Two PCI (peripheral component
interconnect) v2.1 compatible
expansion slots that operate at 33
MHz bus speed. PCI slots can accept
short (175mm) PCI adapter cards.
Hard Disk Drives Two PCI local bus Enhanced IDE v1.0
compatible hard disk drive interfaces
that support PIO mode up to mode 4,
DMA 32-bit access up to mode 2 and
Ultra 66 Synchronous DMA up to
mode 2 (66M bytes/sec).
CD-ROM Drive 5.25-in. high-performance, forty
speed (40X) CD-ROM IDE/AT drive
Support Bootable CD-ROM Format
specification version 1.0.
Diskette Drive AT diskette interface
Video Physical interface is compatible with
the IBM Personal System/2 (PS/2)
VGA interface.
Intel 810 VGA on board.
Modem One 56.6 Kbps PCI plug and play
modem adapter card with data/fax
features.(not standard in all systems)
Audio CM18738
Pointing device IBM PS/2-compatible mouse
Keyboard device IBM PS/2-compatible keyboard
Serial port 9-pin connector with RS232D
electrical interface
Parallel port Supports SPP (IBM PC/AT, PS/2)
compatible, EPP (IEEE 1284
compliance), ECP (IEEE 1284
compliance) interface.
Game port Game port interface for joystick. It
also supports MIDI.