ISA-Doctor Display Card
* Could modify BIOS port 80h(POST code decode address) to other port address,
example 80h+84h, each piece plus U$5.-
CV-02 DOCTOR DISPLAY CARD
Function Description:
* Suitable for PC AT/386/486/586/686/PII/PIII...compatible system.
* After mother board power on, run POST(=Power-On-Self-Test) immediately, and use
TEST CARD read BIOS check point value, compare error code display value with BIOS
ERROR CODE message, will know defective position.
Also can use TEST CARD for software program check point display.
Note: This TEST CARD only troubleshooting on POWER-ON.procession, when into
DOS/WIN system no more HARDWARE DEBUGGER function, if need more functions.
TEST CARD try model: CV-2, CV-3 and CV-4 series.
* Display box functions:
1.Switch on display box, PUSH-DOWN DIGITs displayed error code for POST function,
identify the error according to ERROR CODE message which BIOS's developer provided.
2.Swith PUSH-UP, DIGITs displayed HIGH/LOW SPEED(TURBO/NORMAL) for
mother board.
CV02-3D DOCTOR DISPLAY CARD
Function Description:
* All functions same as CV-02.
* Difference: Use 3 numeral to set HIGH SPEED SETUP.
|
Setup high byte |
--> |
5D 5C 5B 5A |
|
Setup middle byte |
--> |
4D 4C 4B 4A |
|
Setup low.byte |
--> |
3D 3C 3B 3A |
CV-02x DOCTOR DISPLAY CARD
Function Description:
* CV-02x is the development of model:CV-02.
* Most functions same as CV-02, addition;
1. Offer two BIOS check point, PORT 80H and 300H.
2. Setup AEN signal H/L or DISable/ENAble.
CV02x-3D DOCTOR DISPLAY CARD
Function Description:
* All functions same as CV-02x.
* Difference: Use 3 numeral to set HIGH SPEED SETUP.
|
Setup high byte |
--> |
5D 5C 5B 5A |
|
Setup middle byte |
--> |
4D 4C 4B 4A |
|
Setup low.byte |
--> |
3D 3C 3B 3A |
* Could modify BIOS port 80h(POST code decode address) to other port address,
example 80h+84h, each piece plus U$5.-
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Start: 17/09/1997 Update:09.29.2009