Interfaces
| Internal Peripherals |
| ISA |
Sound cards, modems |
2-8.33 MBps |
Phased out by late 1999 |
| EISA |
Graphics cards, SCSI adapters |
33 MBps |
Almost entirely phased out; replaced by PCI |
| PCI |
Graphics cards, SCSI adapters, new sound cards |
133 MBps (new version, 266 MBps) |
Standard add-in peripheral bus for the foreseeable future |
| AGP |
Graphics cards |
528 MBps |
Standard for all Intel-based PCs starting with the Pentium II; coexists with PCI |
| Storage and External Peripherals |
| ATA/IDE |
Hard disks, CD-ROM and DVD-ROM drives |
3.3-33.3 MBps |
Standard hard disk bus for the foreseeable future |
| SCSI |
Hard disks, removable drives, scanners |
5-80 MBps |
Standard high-end hard disk bus for the foreseeable future |
| USB |
Pointing devices, sheet-feed scanners, cameras |
12 MBps |
May eventually replace serial and parallel ports |
| 1394 (FireWire) |
Digital video cameras, high-speed storage devices |
400 MBps |
Will become common in high-throughput devices by the end of 1999 |
| Portable Peripherals |
| PC Card |
Laptop peripherals (modems, network adapters, hard disks, more) |
8 MBps |
Being gradually phased out in favor of CardBus |
| CardBus |
Laptop peripherals (modems, network adapters, hard disks, more) |
132 MBps |
Current 32-bit laptop peripheral standard; will replace PC Card |
