Rectron RT-5Si
Logs
chipChipset
cpuSocket
speedFSB speeds
40MHz50MHz60MHz66MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
Empty
chipCache
256KB512KB1MB
ramMax RAM size
128MB
ramRAM type
72-pin FPM
pwrPSU connector
connI/O ports
1x 
AT Keyboard
1x 
Floppy interface
2x 
IDE interface
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
cardExpansion slots
4x 
16-bit ISA
4x 
32-bit PCI
wrench Known issues
  • DALLAS RTC coin cell empty

The motherboard's Real-Time Clock (RTC) chip contains a coin cell that may have drained, causing the loss of CMOS settings. This can result in an inability to save settings, causing system instability or failure to boot. To fix this, the RTC chip can be replaced with an equivalent or repaired by cutting into it and soldering on a new external coin cell holder. Replacement guides are available at https://github.com/necroware/nwX287 or https://github.com/necroware/nw12887, depending on the actual chip used.

Last updated 2025-08-30T10:52:17Z
Board info score is 8.7/10
chip Chips
-> Chipset part -> Human Interface -> IDE ctrl. -> Real-Time Clock -> Signal transmitter/receiver -> Super I/O
bios 1 BIOS file available

vendor Award - 2 entries

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
11/08/95-SiS-5501-503-2A5ICR2AC-00
Note
Core version
BIOS version
Logs
POST string
05/26/95-SiS-501-503-2A5IAR21-01
Note
Core version
4.50G
BIOS version
Logs
drv 1 driver available
Name
Version
OS support
Arch
Size
Filename
Name
Version
v2.09
OS support
MS-DOS NetWare Server 3 NetWare Server 4 OS/2 2.x SCO Unix - OpenServer Windows NT 3.1 Windows NT 3.5x
Arch
x86
Size
691.2KB
Filename
doc 1 board document available
Release date
File
Logs
Release date
File
Logs

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