IBM Aptiva 2158, Hardware Maintenance Service, Page: 39 / 222

General Information 7
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 Machine Type 2158 and 2163
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 mode 5
- DMA 32-bit access up to mode 2
- Ultra 33 Synchronous DMA up to mode 2 (33M bytes/sec.).
CD/DVD-ROM drive 5.25-in. high-performance, 32X CD-ROM or 4X DVD-ROM
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
Serial port Supports high speed 16450/16550 compatible UARTs with
send/receive 16 bytes FIFOs
RS232D electrical interface compliant