ISA bus - PC test card / 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-04 PC test card 

Function:

* Suitable for PC AT/386/486/586/PII....compatible system.

* After motherboard 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.

CV-01 Doctor display card 

Function:

* All functions same as CV-04.

* Difference: Move DIGITs displayed to one display box, more.easier to view error code.

CV-04x PC test card 

Function:

* CV-04x is the development of model: CV-04.

* Most functions same as CV-04, addition;

1. Offer two BIOS check point, PORT 80H and 300H.

2. Setup AEN signal H/L or DISable/ENAble.

CV-01x Doctor display card 

Function:

* All functions same as CV-04x.

* Difference: Move DIGITs displayed to one display box, more.easier to view error code.

* Could modify BIOS port 80h(POST code decode address) to other port address, 

example 80h+84h, each piece plus U$5.-

Start: 15/09/1997 Update: 04.01.2011