Gateway ALR 9000 User Manual

Page of 64
System Board     17
Hard Drive Controller
The hard drive controller is an integrated dual-channel PCI/IDE interface is 
capable of controlling up to four IDE devices and supporting PIO Modes 0-
4.
Adaptec® 
 
AIC™-7880 SCSI Controller
This is a high-performance, PnP compliant, single-chip PCI local bus-to-
UltraSCSI master host adapter.  Its pin compatibility provides a direct 
upgrade path for higher I/O bandwidth requirements with data rates of 20-
MB/sec in the 8-bit mode and 40-MB/sec in the 16-bit mode.
Additional features:
Full 32-bit PCI bus master implementation maximizing data 
transfer on PCI local bus at 133-MB/sec data bursts
BIOS Developer’s Kit (BDK) allowing easy customization of 
system BIOS code for various features
SCAM (SCSI Configured Automatically) Level 1 for Windows 
95
®
 enabling automatic configuration of new devices without 
having to reboot the system.
Wide SCSI configuration supporting up to 15 connected SCSI 
peripherals 
Multithreading support for up to 255 simultaneous I/O tasks
Advanced SCSI I/O cell ensuring data integrity by automatically 
and continuously adjusting slew rate to compensate for SCSI bus 
loading
Driver support for all major operating systems
I/O Card Slot
The I/O ports are housed on an I/O card which is factory installed in this 
slot.
USRGUIDE.BOO  Page 17  Thursday, July 16, 1998  10:41 AM