trunk/src/mame/drivers/cv1k.c
| r241943 | r241944 | |
|---|
| 3 | 3 | U2 flash rom note |
| 4 | 4 | |
| 5 | 5 | Cave often programmed the u2 roms onto defective flash chips, programming around the bad blocks. |
| 6 | | As a result these are highly suseptible to failure, blocks around the known bad blocks appear to |
| 6 | As a result these are highly susceptible to failure, blocks around the known bad blocks appear to |
| 7 | 7 | decay at an alarming rate in some cases, and in others data has clearly been programmed over |
| 8 | 8 | blocks that were already going bad. - this is why the same game often has different u2 roms |
| 9 | 9 | in the different sets at the moment. - these will be reconstructed at some point. |
| r241943 | r241944 | |
|---|
| 122 | 122 | Misc: |
| 123 | 123 | U27 (SUPERVISOR) MAX 690S 3.0V Microprocessor Supervisory Circuit. |
| 124 | 124 | U10 (RTC & EEPROM) RTC 9701, Serial RTC Module with EEPROM 4 kbit (256x16 bit), controlled by Altera EPM7032 U13. |
| 125 | | U12 (RS-232 TRANCEIVER) MAX 3244E RS-232 Tranceiver, only mounted when P5 is mounted. |
| 125 | U12 (RS-232 TRANSCEIVER) MAX 3244E RS-232 Transceiver, only mounted when P5 is mounted. |
| 126 | 126 | D1-D6 (LED) Status LED's. D6 lights up at power on then shuts off, D2 indicates coinage. |
| 127 | 127 | |
| 128 | 128 | Note: * The Altera EPM7032 usually stamped / labeled with the Cave game ID number as listed above. |