IBM 7090 User Manual

I Time
Pri Op 76
SR(18-35) .... AO
(P-17) 19(03)
2.12.16.1
Sense Op Pnl
Class Adr A 14
UA 00
T urn Off Sense
Lights L 11 (01)
2.09.60.1
FIGURE 5.3-38. PSE +0760 ... 0140
I Time
Pri Op 76
SR(18-35) -+-AO
(P-17) 19(03)
2.12.16.1
Sense Op Pnl
Class Adr A14
UA 1,2,3, or 4
T
urn On Sense
Light 1,2,3,
or 4
2.09.60.1
FIGURE 5.3-39. PSE +0760 ... 0141, 0142, 0143, 0144
2.12.16.1
Sense Op Pnl
Class Adr B16
Sense Skip
L9(01)
2.09.59.1
FIGURE 5.3-40. PSE +0760, .. 0161,0162, ETC.

IBM 7090 Specifications

General

Category	Mainframe Computer
Introduced	1959
Transistor-based	Yes
Word Length	36 bits
Add Time	4.8 microseconds
Memory	Core memory
Memory (words)	32, 768 words