Chassis Plans JXT6966, Техническое описание оборудования

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I/O Expansion Boards JXT6966 / JXTS6966 Technical Reference
CHASSIS PLANS 5-4
IOB33 Connectors
NOTE: Pin 1 on the connectors is indicated by the square pad on the PCB.
P1 - Serial Port Connector
9 position “D” right angle, Spectrum #56-402-001
Pin Signal Pin Signal
1 Carrier Detect 6 Data Set Ready-I
2 Receive Data-I 7 Request to Send-O
3 Transmit Data-O 8 Clear to Send-
4 Data Terminal Ready-O 9 Ring Indicator-I
5 Signal Gnd
P2 - Serial Port Connector
9 position “D” right angle, Spectrum #56-402-001
Pin
Signal Pin Signal
1 Carrier Detect 6 Data Set Ready-I
2 Receive Data-I 7 Request to Send-O
3 Transmit Data-O 8 Clear to Send-
4 Data Terminal Ready-O 9 Ring Indicator-I
5 Signal Gnd
P3 - PS/2 Mouse and Keyboard Connector
6 pin mini DIN, Kycon #KMDG-6S-B4T
Pin Signal
1 Ms Data
2 Kbd Data
3 Gnd
4 Power (+5V fused) with self-resetting fuse
5 Ms Clock
6 Kbd Clock
P4 - Floppy Drive Connector
34 pin dual row header, Amp #103308-7
Pin Signal Pin Signal
1 Gnd 2 N-RPM
3 Gnd 4 NC
5 Gnd 6 D-Rate0
7 Gnd 8 P-Index
9 Gnd 10 N-Motoron 1
11 Gnd 12 N-Drive Sel2
13 Gnd 14 N-Drive Sel1
15 Gnd 16 N-Motoron 2
17 Gnd 18 N-Dir
19 Gnd 20 N-Stop Step
21 Gnd 22 N-Write Data
23 Gnd 24 N-Write Gate
25 Gnd 26 P-Track 0
27 Gnd 28 P-Write Protect
29 Gnd 30 N-Read Data
31 Gnd 32 N-Side Select
33 Gnd 34 Disk Change