C–1. Scsi Bus Differences; Cables - HP 2240 Owner's Manual

Transfer
Rate
Narrow, Single-
Ended
up to up to
5 Mbytes
per second
Fast, Wide Dif-
ferential
up to up to
20 Mbytes
per second
Ultra, Wide
Single–Ended**
up to
40 Mbytes
per second
* Address 7 is reserved for host controller use on both buses.
** Only 2 external devices allowed (total of 4 devices).
C-4
Table C–1. SCSI Bus Differences
Data Bus Maximum
Width Addresses*
8 bits 8
16 bits 16
16 bits 16
Maximum Device
Cable Physical
Length Location
6.0 meters internal and
(19.6 feet) external
25 meters internal and
(82 feet) external
3.0 meters internal and
(9.84 feet) external
Controller
Embedded or
Plugable
embedded
embedded
embedded