Re: DFI MINI-AT286 (G2-206) (but with HT12/A chipset)
Posted on 2024-01-22, 06:00
https://theretroweb.com/motherboards/s/protec … pm286-286-ht12a
Re: DFI MINI-AT286 (G2-206) (but with HT12/A chipset)
Posted on 2024-01-12, 22:02
I found one (only few bytes are different) and got post codes 01 and 02. No more. With other pairs - MoBo boot but with errors.
DFI MINI-AT286 (G2-206) (but with HT12/A chipset)
Posted on 2024-01-12, 21:32
BIOS based on EVEN and ODD CPU. ODD UVROM (U6) was readed Ok and attached. EVEN (U8) is brocken. Can't be readed due VCC PIN Error (pic attached). Looking for dump of the second chip (E8). I found on ebay the same MoBo and attached Boot Bios string if this can help.
Re: Need help! PVI-486SP3 can't access bios bootblock screen
Posted on 2023-06-27, 10:58
ThisOldTech wrote on 2021-06-07, 23:12: ... Then... I got the infamous "Award Bootlock BIOS" Checksum Error... ... So, I tried a stick of non-EDO and boom! The board p […] Show full quote ... Then... I got the infamous "Award Bootlock BIOS" Checksum Error... ... So, I tried a stick of non-EDO and …
Primax SoundStorm M16C Manual x 2, CD x 2
Posted on 2023-04-10, 09:35
Please help. I'm looking for both manuals in PDF or image format and also both CD-Image of this Primax SoundStorm M16C Filename Gravis-Ultrasound-Clone-Classic-Primax-SoundStorm-Wave-M16C-Documentation.jpg File size 330.38 KiB Views 203 views Filename b4794e2b43b7bdffdbef210fd893.jpg File size 198. …
ASUS P2B-DS/D Revision 1.02 till 1.06 history mods by ASUS
Posted on 2023-03-10, 14:21
Hi. Please help me and other to find the mods made by ASUS during his revisions made to ASUS P2B-D/DS MoBo. Know and seen revisions: ASUS P2B-DS /D Rev 1.02 ASUS P2B-DS /D Rev 1.03 ASUS P2B-DS /D Rev 1.04 (VR: HIP6019CB + HIP6004ACB, Clocker: ICS9150AF-08) ASUS P2B-DS /D Rev 1.05 ASUS P2B-DS /D Rev …
Re: Socket4 Dataexpert EXP8054 OPTi (Python)
Posted on 2022-11-02, 18:50
MAX1024 can you post working BIOS there ? Thank you!
Re: Daewoo CPC-5200 P60/P66 Socket 4 motherboard - info request
Posted on 2022-11-02, 13:03
Hi. Dear topic starter, Did you manage to read the BIOS content? Can you post it there ? It is INTEL P28F001BX-T Best regards.
Re: Help with Octek Fox M 286 (broken chip)
Posted on 2022-10-22, 02:46
______________ | RASCASGEN | RAM1RAS x---|1 20|---x Vcc RAM0CAS x---|2 19|---x !RAS RAS6080 x---|3 18|---x !CAS0L RAS40 x---|4 17|---x !CAS0H MEMW x---|5 16|---x ERD RAM1CAS x---|6 15|---x RAS0 RAM0RAS x---|7 14|---x !CAS1L EMEMR x---|8 13|---x RAS1 XA0 x---|9 12|---x !CAS1H GND x---|10 11|---x …
Re: Help with Octek Fox M 286 (broken chip)
Posted on 2022-10-15, 11:14
Not yet. Just finished schematic reconstruction of Delay line circuit that use this 2 PAL16L8. Now have to write new equations for PLM! Will contact you when my board will power up with a single BEEP! 😉
Re: Help with Octek Fox M 286 (broken chip)
Posted on 2022-10-13, 21:45
Hi. Problem found! In EQUATIONS (programm listing for PAL16L8 U49) is missing generation of output signal ERD . This output signal is also used in equations of RAS0 and RAS1 and RAS . All this signal are incorrect due missing ERD signal!!!
Re: Help with Octek Fox M 286 (broken chip)
Posted on 2022-10-11, 18:36
Hi. I have the same board FOX M286 and the same problem - PAL 089-001 is very hot when i power-up the MoBo! And also 3 beeps - NO RAM. I'll try to find the difference between REF-design and this M286 revision. Will trace all 18 signal wires from this PAL chip. If they are the same as REF - then …
Re: 3 (+3 more) retro battle stations
Posted on 2022-09-24, 09:53
Hi. Mr. pshipkov, Can you post original BIOS DUMP of Asus ISA-386SIQ ? Thank you!
Re: PCChips M912 repair. Need help.
Posted on 2020-09-24, 14:46
Thank you!
UM8663AF Floppy I/O controller datasheet
Posted on 2019-11-23, 11:33
Hi All. Please help me with datasheet for UM8663AF Floppy I/O controller. Thank you.
Re: Unknown MB CH-486-33C with 496 Overdrive need help!
Posted on 2018-10-20, 04:41
Hi. Thank you for your replay. I disabled in BIOS both cashe (internal and external). But nothing changed. Still WAIT... Also - according to the link of mr. stamasd , there is no jumper option to fully disable external cashe. Minimum required is 64K. So... I have to buy this chips and insert them …
Re: Unknown MB CH-486-33C need help to boot it Up.
Posted on 2018-10-19, 13:27
Thank you, but this MB have different chipset.
Unknown MB CH-486-33C with 496 Overdrive need help!
Posted on 2018-10-19, 12:41
Hi All Please help me to boot up this MB with overdrive 486 CPU. 1. Need help to identify it... can't setup jumpers w/out manual. 2. Have 3 missing IC marked on PCB as HM6288 (16384-word x 4-bit High Speed CMOS Static RAM) Did I need them? This is the CASH TAGs ? 3. MB is booting, RAM checking OK, …
PCChips M912 repair. Need help.
Posted on 2018-10-05, 10:55
Hi great All, Please help me to repair one old M912 MB. Somebody removed 2 parts from this board. 1. Capacitor, near keyboard socket. Filename CAP.jpg File size 1.57 MiB Views 409 views File comment Capacitor 2. Resistor Network (Arrays) Filename RES.jpg File size 1.33 MiB Views 409 views Please …
Re: dosbox megabuild setup.cpp error
Posted on 2018-06-15, 08:17
WoW! Got running DosBox with LPT1 enabled on Win7 64bit. Thank you easyw3!!!
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