4825 SX  (250-5141/42)             Pinouts              Faxback Doc. # 1686

PIN           FUNCTION                                      ┌─────────┐
                                                            │   6     │
 1            Red Video                                     │   O     │
 2            Green Video                                   │ 1   11  │
 3            Blue Video                                    │ O   O   │
 4            Monitor ID Bit 2 (not used)                   │   7     │
 5            Ground                                        │   O     │
 6            Red Return (ground)                           │ 2   12  │
 7            Green Return (ground)                         │ O   O   │
 8            Blue Return (ground)                          │   8     │
 9            Key (no pin)                                  │   O     │
10            Sync Return (ground)                          │ 3    13 │
11            Monitor ID Bit 0 (not used)                   │ O    O  │
12            Monitor ID Bit 1 (ground)                     │         │
13            Horizontal Sync                               │ 4    14 │
14            Vertical Sync                                 │ O    O  │
15            Not Used                                      │         │
                                                            │   10    │
                                                            │   O     │
                                                            │         │
                                                            │ 5    15 │
                                                            │ O    O  │
                                                            └─────────┘

PARALLEL I/O PORT

PIN ASSIGNMENTS:

 1  Strobe             10         ACKNOWLEDGE
 2  Data Bit 0         11         BUSY
 3  Data Bit 1         12         PAPER END
 4  Data Bit 2         13         SELECT
 5  Data Bit 3         14         AUTOFEED
 6  Data Bit 4         15         ERROR
 7  Data Bit 5         16         INITIALIZE
 8  Data Bit 6         17         SELECT IN
 9  Data Bit 7         18-25      Ground

KEYBOARD AND MOUSE CONNECTORS     RS232C SERIAL PORTS

PIN ASSIGNMENTS:                  PIN ASSIGNMENTS:

1   Data                          1   Carrier Detect
2   Reserved                      2   Receive Data
3   Ground                        3   Transmit Data
4   +5 Vdc                        4   Data Terminal Ready
5   Clock                         5   Signal Ground
6   Reserved                      6   Data Set Ready
                                  7   Request To Send
                                  8   Clear To Send
                                  9   Ring Indicator

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