IBM 5100 User Manual

GETRB Data Table (Continued)
Device
Address
Bits
4·7
9
A
B1
C
1
0
1
El
F
Device
Name
Not used
"
It
It
It
It
It
It
Tape unit
All I/O
Bits
8-15
8
9
10
11
12
13
14
15
State
of Bit
1
1
1
1
1
1
o
Definition
End
of tape (EOT)
No OA E response
Select magnet active (drive running)
Cartridge
in place
Erase active (either channel
0 or 1)
Source active (LED and erase coils OK)
File protect (do
not write)
Beginning
of tape (BOT)
Not used
1 Device has subdevice addressing capability. See
the I/O microinstructions descriPtion under Microinstructions
in this section.
C-12
',,- /

IBM 5100 Specifications

General

Release Year	1975
RAM	16 KB - 64 KB
Storage	204 KB tape drive
Display	5-inch CRT
Operating System	APL/BASIC
Processor	IBM PALM (1.9 MHz)