Digital Equipment 300 Series AXP Reference Manual page 22

Product Description
Table 1–1 (Cont.) System Features
Feature Models 300/300X/300LX
External SCSI-II One on-board 5 MB/s SCSI
port: channel for both internal
and external devices (up
to two internal and five
external devices)
Optional dual SCSI
TURBOchannel module
Communications 25-pin synchronous/
port: asynchronous connection
to a printer, plotter,
modem, or console
terminal.
Battery backup Battery-run backup
clock: internal clocking
system for synchronous
operations.
Internal devices: Two 3½-inch RZxx fixed
disk drives: RZ25, RZ25L,
RZ26, RZ26L or optional
RZ28
One 3½-inch RZxx fixed
disk drive and one 3½-inch
RX26 removable-media
drive
Future Options Additional options for your system may be available at a later
time.
1–6
Model 300L
Same
Not available
Same
Same
Same
or
Order Number
–
PMAZC–AA
–
–
RZ25–EP
RZ25L–EP
RZ26–EP
RZ26L–EP
RZ28–EP
RX26–FB