PROMETHEUS PRODUCTS, INC.
CYBERSTERO PC144IVA, CYBERSTERO PC144IVSPA
Card Type | Fax, Modem (asynchronous), Sound card |
Chip Set | Unidentified |
I/O Options | Audio line in, Audio line out, CD-ROM interface, Microphone, MIDI/game port, Speakerphone |
Maximum Modem Rate | 14.4Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | 16-bit ISA |
Fax Class | Class II |
Data Modulation Protocol | Bell 103/212A ITU-T V.22, V.22bis, V.32, V.32bis |
Fax Modulation Protocol | ITU-T V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
CD-ROM connector | CN1 | Microphone | CN5 | |||
Audio line out | CN2 | Audio line in | CN6 | |||
Phone line out | CN3 | MIDI/game port | CN7 | |||
Phone line in | CN4 | |||||
DMA CHANNEL SELECTION | ||||
Channel | JB4/I | JB4/J | JB4/K | JB4/L |
0 | Off | On | On | Off |
í 1 | On | Off | Off | On |
3 | On | Off | On | Off |
None | Off | On | Off | On |
I/O ADDRESS SELECTION | ||||
Setting | JB4/A | JB4/B | JB4/C | JB4/D |
220 | Off | On | Off | On |
230 | Off | On | On | Off |
í 240 | On | Off | Off | On |
250 | On | Off | On | Off |
INTERRUPT SELECTION | ||||
IRQ | JB4/E | JB4/F | JB4/G | JB4/H |
í IRQ5 | Off | On | On | Off |
IRQ7 | On | Off | Off | On |
IRQ9 | Off | On | Off | On |
IRQ10 | On | Off | On | Off |
JOYSTICK CONTROL | ||
Setting | JB4/M | JB4/N |
í Enabled | On | Off |
Disabled | Off | On |
MODEM CONTROL | ||
Setting | JB1/Pins 1 & 2 | JB1/Pins 3 & 4 |
í Enabled | Closed | Open |
Disabled | Open | Closed |
SERIAL PORT ADDRESS SELECTION | ||||
Setting | JB2/G | JB2/H | JB2/I | JB2/J |
COM1 (3F8h) | Off | On | Off | On |
COM2 (2F8h) | Off | On | On | Off |
í COM3 (3E8h) | On | Off | Off | On |
COM4 (2E8h) | On | Off | On | Off |
SERIAL PORT 1 INTERRUPT SELECTION | ||||||
IRQ | JB2/A | JB2/B | JB2/C | JB2/D | JB2/E | JB2/F |
IRQ3 | On | Off | Off | Off | Off | Off |
IRQ4 | Off | On | Off | Off | Off | Off |
IRQ5 | Off | Off | On | Off | Off | Off |
IRQ7 | Off | Off | Off | On | Off | Off |
í IRQ10 | Off | Off | Off | Off | On | Off |
IRQ11 | Off | Off | Off | Off | Off | On |
SOUND CARD CONTROL | ||
Setting | JB3/Pins 1 & 2 | JB3/Pins 3 & 4 |
í Enabled | Closed | Open |
Disabled | Open | Closed |
Proprietary AT Command Set
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
Type: | Configuration |
Format: | AT [cmds] \Cn [cmds] |
Description: | Controls the handling of incoming data during auto-reliable time period |
Command | Function |
\C0 | Data is discarded |
\C1 | Data is buffered |
\C2 | Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. |
AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
Type: | Configuration |
Format: | AT [cmds] %En [cmds] |
Description: | Controls auto-retrain mode and fallback/fall-forward |
Command | Function |
%E0 | Auto-retrain disabled |
%E1 | Auto-retrain enabled |
BREAK TYPE | ||
Type: | Configuration | |
Format: | AT [cmds] \Kn [cmds] | |
Description: | Configures action of break signal | |
Command | Function | |
\K0 | Online command mode enabled, send no break to remote modem | |
\K1 | Break sent to remote modem and buffered cleared | |
\K2 | Online command mode enabled, send no break to remote modem | |
\K3 | Send break to remote modem immediately | |
\K4 | Online command mode enabled, send no break to remote modem | |
\K5 | Send break with transmitted data | |
BUFFER SIZE - LOWER LIMIT | |
Type: | Register |
Format: | AT [cmds] S49=n [cmds] |
Default: | 10 |
Range: | 0-255 |
Unit: | 1 byte |
Description: | Controls the low-end size of the buffer during error-control mode |
BUFFER SIZE - UPPER LIMIT | |
Type: | Register |
Format: | AT [cmds] S50=n [cmds] |
Default: | 200 |
Range: | 2-255 |
Unit: | 1 byte |
Description: | Controls the high-end size of the buffer during error-control mode |
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Data compression disabled |
%C1 | MNP5 enabled |
CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Controls the type of connection the modem will operate in |
Command | Function |
\N0 | Normal mode enabled |
\N1 | Direct mode enabled |
\N2 | MNP reliable mode enabled |
\N3 | Auto-reliable mode enabled |
\N4 | V.42 reliable mode enabled |
\N5 | V.42 auto-reliable mode enabled |
\N6 | Reliable mode enabled |
DIAL | |
Type: | Immediate |
Format: | AT [cmds] D<#> [cmds] |
Description: | Dials telephone number according to any modifiers included in the string |
Note: | Any combination of modifiers can be used to produce the desired dial functions in sequence. |
Modifier | Function |
L | Re-dial last number |
P | Pulse dialing enabled |
Sn | Dial stored telephone number n |
T | Tone dialing enabled |
W | Dialing resumed following dial tone detection for amount of time specified in S7 register |
, | Dialing paused for amount of time specified in S8 register |
! | Modem commanded to go off-hook for .5 second before returning on-hook |
@ | Wait for quiet answer for amount of time specified in S7 register |
; | Modem returned to command state after dialing |
DICTIONARY SIZE | ||
Type: | Configuration | |
Format: | AT [cmds] %Dn [cmds] | |
Description: | Select dictionary size | |
Command | Function | |
%D0 | Select 1/2K bytes | |
%D1 | Select 1K bytes | |
%D2 | Select 2K bytes | |
EXTENDED RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Selects extended result codes |
Command | Function |
\V0 | Extended result codes disabled |
\V1 | Extended result codes enabled |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
\G0 | Flow control disabled |
\G1 | Flow control enabled |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by modem |
Command | Function |
\Q0 | Flow control disabled |
\Q1 | XON/XOFF, bi-directional RTS/CTS flow control enabled |
\Q2 | Unidirectional CTS flow control enabled |
\Q3 | Bi-directional RTS/CTS flow control enabled |
\Q4 | Unidirectional XON/XOFF flow control by DCE enabled |
INACTIVITY TIMER | |
Type: | Configuration |
Format: | AT [cmds] \Tn [cmds] |
Default: | 0 |
Range: | 0-90 |
Unit: | 1 minute |
Description: | Sets the length of time that the modem does not receive information before it disconnects. |
Note: | AT\T0 will disable timer. |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Reports product code |
I1 | Reports ROM checksum |
I2 | Tests and reports ROM checksum |
I3 | Reports firmware revision |
I4 | Reports current configuration |
XON/XOFF PASS-THROUGH | |
Type: | Configuration |
Format: | AT [cmds] \Xn [cmds] |
Description: | Selects whether XON/XOFF signals are sent to remote modem |
Command | Function |
\X0 | XON/XOFF signals trapped by local modem |
\X1 | XON/XOFF passed through local modem |