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IBM 2030 Manual Of Instruction page 297

Processing unit, field engineering

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No
Increment Binary Dcf
G4~
0
D
Figure 5-19.
Abnorma I Status Set
Parity Kll CPU
Sector Zero End
Operation
Write Address Op
Yes
Decode First Address
t-__
......;N..;,o;;.::::
Test for Sector Count
000
Generate Search ID
Ro~O, G~O, SO~O
S2~0, S~O, S5~0
Norma I Status
Yes
Generate Read/Write
Command
G4~1
SO~O
S2=0
Disk Storage Compatibility (Part 2 of 3)
4
5-37

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