IBM 5114 Maintenance Information Manual page 69

(~':'~\
(~~
C
C~
C:
C
171
A1 BOARD SOCKET AND PIN
ASSIGNMENTS (Page 4 of 4)
Pin Line Name or Voltage
Pin
Line Name or Voltage
C1S02 +Write Oata (drive 2)
02B02 Spare
C1S03 -Orives 3 and 4
02B03 Spare
C1S04 +Erase Gate (drive 2)
02B04 Spare
C1S05 +Write Gate (drive 2)
02B05 Spare
C1S06
+Inner Tracks (drive 2)
02B06 Spare
C1S07 +Select Head 1 (drive 2)
02B07 Spare
C1S08
-Oiskette Orive Sense (drive 2) 02B08
Spare
C1S09 + Erase Current Sense (drive 2)
02B09 Spare
C1Sl0 + Oiskette 2 Sense (drive 2)
02Bl0 Spare
C1Sll +Head Engage (drive 2)
02Bll Spare
C1S12
+Inner Track Select (drive 2)
02B12
Spare
C1S13 +Index (drive 2)
02B13 Spare
C1U02 +Write Oata (drive 1)
02002 Spare
C1U03 ,+5 Vdc
02003 Spare
C1U04 + Erase Gate (drive 1)
02004 Spare
C1U05 +Write Gate (drive 1)
02005 Spare
C1U06
+Inner Tracks (drive 1)
02006 Spare
C1U07 +Select Head 1 (drive 1)
02007 Spare
C1U08 Ground
02008 Spare
C1U09 + Erase Current Sense (drive 1)
02009 Spare
C1Ul0
+Oiskette 2 Sense (drive 1)
02010 Spare
Cl Ull + Head Engage (drive 1)
02011
Spare
C1U12 +Inner Track Select (drive 1)
02012 Spare
C1U13
+Index (drive 1)
02013 Spare
D1B02 Spare
03B02 Spare
01 B03 -Bus Out Bit 7
03B03 +Oevice Address XO
01B04 -Bus Out Bit 6
03B04 +Oevice Address X1
01B05 -Bus Out Bit 5
03B05 + Oevice Address X2
01B06 -Bus Out Bit 4
03B06 +Oevice Address X3
01B07 -Bus Out Bit 3 03B07 + Oevice Address YO
01B08 -Bus Out Bit 2
03B08 +Oevice Address Yl
01B09
-Bus Out Bit 1
03B09 + Oevice Address Y2
01 Bl0 -Bus Out Bit 0
03Bl0 + Oevice Address Y3
01 Bll + Bus Out Bit P
03Bll -Get Strobe
01 B12 -Interrupt Request 2
03B12 -Control Strobe
01B13 +Oscillator / 4
03B13 -Put Strobe
01002 -Power On Reset Out
03002 +Bus In Bit 0
01003
Ground 03003 Spare
01004
+Printer Clock, 03004 +Bus In Bit 1
01005 + External Horizontal Orive 03005
+Bus In Bit 2
01006 -Machine Check
03006 +Bus In Bit 3
01007
+Start Execute
03007 +Bus In Bit 4
01008 Ground
03008 Ground
01009
Spare
03009 +Bus In Bit 5
01010 Spare
03010 +Bus In Bit 6
01011 Spare
03011 +Bus In Bit 7
01012
Spare 03012 +Bus In Bit P
01013 Spare
03013 +Op Code E
1
The +5 Vdc is not used on this board and is not forwarded from these pins.
2These pins apply to drive 1.
Pin
Line Name or Voltage
04B02
+Access 0 2
04B03 +Access 12
04B04 +Access 22
04B05
+Access 3 2
04B06
Spare
04B07
+File Oata
2
04B08
+Oiskette Sense
2
04B09
Spare
04Bl0
+Head Engage 2
04Bll
Spare
04B12
+Inner Track Select
2
04B13
+lndex
2
04002
+Write Oata 2
04003
+5 Vdc
04004 +Erase Gate
2
04005 +Write Gate
04006 +Inner Tracks
2
04007 +Select Head
12
04008
Ground
04009
+Erase Current Sense
2
04010
+24 Vdc
04011
-5 Vdc
04012
Spare
04013
Spare
Cable, Socket, and Pin Assignments 2-59