DEBUGGER-1

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

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

CV-21 DEBUGGER-1 

Function Description:

* Suitable for PC 286/386/486/586/PII/PIII...compatible system.

* LED inductor: RST(RESET DRV), RDY(I/O CHECK READY), VCC, -5V, +12V, -12V,

GND signals inductor.

* R/W PORT DISPLAY DATA BUS

(1) D0-D7(8bit DATA) with 8pcs LED in binary system.

(2) D0-D7(8bit DATA) with 7-SEGMENT DISPLAY in hexadecimal.

* Define address function:

(1) Can define ADDRESS DECODE from 00000H-FFFFFH.

(2) Can choose I/O PORTS(=IOR/IOW) or MEMORY PORTS(=MEMR/MEMW)

decodeing.

(3) Can check read/write code of I/O PORTS or MEMORY PORTS, to assist your

DEBUG for mother board, ADD-ON card or Software.

CV-21E DEBUGGER-1 

* All functions, operations, and testing same as CV-21.

* Difference: Move 7-SEGMENT to outside box by cable, more easier to view error code.

CV-21D DEBUGGER-1

* All functions, operations, and testing same as CV-21.

* Additional one 80H PORT display.

CV-21DE DEBUGGER-1  

* All functions, operations, and testing same as CV-21D.

* Difference: Move 7-SEGMENT to outside box by cable, 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: 21/04/1998 Update:10.05.2009