mirror of https://github.com/tLDP/LDP
made changes about the history of SCSI (was the Mac + first, or a Sun?)
This commit is contained in:
parent
732f20b7c2
commit
ce8b10335d
|
@ -49,8 +49,8 @@
|
|||
<para>
|
||||
The history of SCSI drives starts not with large servers
|
||||
running multibillion dollar companies, but as its name
|
||||
implies, with small systems. SCSI had its first
|
||||
real implementation on early Apple Macintosh systems.
|
||||
implies, with small systems. SCSI had one of its first
|
||||
implementation on the Apple Macintosh Plus systems.
|
||||
SCSI was made to be a general purpose interface, supporting
|
||||
not only hard drives, but scanners, CD-ROMs, serial ports,
|
||||
and other devices off of one common bus. Cables were
|
||||
|
@ -58,7 +58,7 @@
|
|||
fast for its time, reaching a maximum of 4MB per second.
|
||||
</para>
|
||||
<para>
|
||||
SCSI was eventually picked up by server vendors, such as
|
||||
SCSI was picked up by server vendors, such as
|
||||
Sun and IBM, since it created a common way for servers
|
||||
to share devices. Its advantages in design made it very
|
||||
well suited to have multiple devices on the same bus
|
||||
|
@ -105,8 +105,8 @@
|
|||
and devices like scanners. In addition, when an IDE drive
|
||||
is asked to do something, that IDE bus is locked while
|
||||
the drive processes the request. IDE devices are usually limited
|
||||
to two devices per bus, and two busses per system. Each bus
|
||||
requires one IRQ line.
|
||||
to two devices per bus, but can have multiple busses per system.
|
||||
Most motherboards come with two IDE busses standard.
|
||||
</para>
|
||||
<para>
|
||||
Burst performance of IDE drives gets close to that of SCSI,
|
||||
|
|
Loading…
Reference in New Issue