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0012 | Loopback | Any | RTS Controlled | 8x | ISR |
0013 | Loopback | Any | DTR Controlled | 8x | ISR |
0014 | Handshaking | Any | Always Enabled | 8x | ISR |
0015 | Clocking | Any | Always Enabled | 8x | ISR |
0016 | Handshaking | Any | Auto Toggle | Normal | ISR |
0017 | Clocking | Any | Auto Toggle | Normal | ISR |
0018 | Handshaking | Any | RTS Controlled | Normal | ISR |
0019 | Clocking | Any | RTS Controlled | Normal | ISR |
0020 | Handshaking | Any | DTR Controlled | Normal | ISR |
0021 | Clocking | Any | DTR Controlled | Normal | ISR |
0022 | Handshaking | Any | Auto Toggle | 8x | ISR |
0023 | Clocking | Any | Auto Toggle | 8x | ISR |
0024 | Handshaking | Any | RTS Controlled | 8x | ISR |
0025 | Clocking | Any | RTS Controlled | 8x | ISR |
0026 | Handshaking | Any | DTR Controlled | 8x | ISR |
0027 | Clocking | Any | DTR Controlled | 8x | ISR |
0028 | Loopback | Any | Always Enabled | Normal | Scratch Pad |
0029 | Loopback | Any | Always Enabled | 8x | Scratch Pad |
0030 | Loopback | Any | Auto Toggle | Normal | Scratch Pad |
0031 | Loopback | Any | RTS Controlled | Normal | Scratch Pad |
0032 | Loopback | Any | DTR Controlled | Normal | Scratch Pad |
0033 | Handshaking | Any | Always Enabled | Normal | Scratch Pad |
0034 | Clocking | Any | Always Enabled | Normal | Scratch Pad |
0035 | Loopback | Any | Auto Toggle | 8x | Scratch Pad |
0036 | Loopback | Any | RTS Controlled | 8x | Scratch Pad |
0037 | Loopback | Any | DTR Controlled | 8x | Scratch Pad |
0038 | Handshaking | Any | Always Enabled | 8x | Scratch Pad |
0039 | Clocking | Any | Always Enabled | 8x | Scratch Pad |
0040 | Handshaking | Any | Auto Toggle | Normal | Scratch Pad |
0041 | Clocking | Any | Auto Toggle | Normal | Scratch Pad |
0042 | Handshaking | Any | RTS Controlled | Normal | Scratch Pad |
0043 | Clocking | Any | RTS Controlled | Normal | Scratch Pad |
0044 | Handshaking | Any | DTR Controlled | Normal | Scratch Pad |
0045 | Clocking | Any | DTR Controlled | Normal | Scratch Pad |
0046 | Handshaking | Any | Auto Toggle | 8x | Scratch Pad |
0047 | Clocking | Any | Auto Toggle | 8x | Scratch Pad |
0048 | Handshaking | Any | RTS Controlled | 8x | Scratch Pad |
0049 | Clocking | Any | RTS Controlled | 8x | Scratch Pad |
0050 | Handshaking | Any | DTR Controlled | 8x | Scratch Pad |
0051 | Clocking | Any | DTR Controlled | 8x | Scratch Pad |
0052 | Loopback | Memory | Always Enabled | 1x | Scratch Pad |
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| Mapped |
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*Indicates “COM” mode addressing. Addresses 3F8, 2F8, 3E8, and 2E8 are the standard addresses for COM1, COM2, COM3, and COM4, respectively. Windows 95/98/ME enumerates any COM port at a
Windows 2000 |