8
Hardware Interfaces
The following peripheral interfaces for adapters, options, and drives are 
supported in the system unit.
Item- Interface
Expansion slot for I/O 
adapter cards
Three PCI (Peripheral Component Interconnect) v2.1 
compatible expansion slots that operates at 33 MHz bus 
speed.
One IBM AT-ISA Plug and Play compatible expansion slot that 
operates at 8 MHz bus speed.
Note: There is 1 PCI/ISA shared slot
Hard disk drives Two PCI local bus Enhanced IDE v1.0 compatible hard disk 
drive interfaces that support:
- PIO mode up to 5 mode
- DMA 32-bit access 
Machine Type 2170
- Ultra 33/66 Synchronous DMA (33M/66M bytes/sec.).
Machine Type 2171 and 2172
- Ultra 33 Synchronous DMA (33M bytes/sec). 
CD/DVD-ROM/CD-R/W 
drive
5.25-in. high-performance, 40X CD-ROM or 6X/32X DVD-
ROM or 4X2X24 CD-R/W IDE/AT drive. 
Support Bootable CD-ROM Format specification version 1.0. 
Compliant to Audio-CD, Video-CD, CD-ROM/XA, Karaoke-
CD, and Photo-CD (both single and multi-session) format.
Diskette drive  AT diskette interface
Video Physical interface is compatible with the IBM Personal 
System/2 (PS/2) VGA interface.
Support Accelerated Graphics Port (AGP) 
Modem One 56.6 Kbps PCI modem adapter card with data/fax/voice 
or non-voice features.
Audio  Compatible to Sound Blaster, Sound Blaster Pro and 
Windows Sound System 
Pointing device  IBM PS/2-compatible mouse
Keyboard device  IBM PS/2-compatible keyboard