diff --git a/namco/boards.md b/namco/boards.md
index 76d7465..6d9a2a0 100644
--- a/namco/boards.md
+++ b/namco/boards.md
@@ -118,13 +118,13 @@ PC, x86-based. Variants: ES1, ES1(A2).
 
 **MBD:** Supermicro C2SBM-Q (ES1(A2): "FB16M-LS-C2D30-2G1")  
 **CPU:** Intel Core 2 Duo E8400  
-**RAM:** \[ES1?\] 2x ??? (DDR2, PC2-6400, 512MB)  
+**RAM:** \[ES1\] 2x ??? (DDR2, PC2-6400, 512MB)  
 **RAM:** \[ES1(A2)\] 1x SanMax SMD-2G88HP-8E (DDR2 DIMM, PC2-6400U-555, 2GB)
 **GPU:** \[ES1(A2)\] Nvidia GeForce 9600 GT (PCIe, 512MB, BIOS Version: 62.94.61.00.08)  
 **HDD:** Seagate ST3160318AS (SATA, 160GB, 7200RPM) / Hitachi HDS721016CLA382 (SATA, 160GB, 7200RPM)  
 **IO:** [Namco H039 ESIF PCB](io.md#h039-esif) (1x internal 4pin connector with cable to "JV IO (JAMMA)", to motherboard COM3 and JF1)  
 **IO:** "JV IO (JAMMA)" (expansion slot, 1x JVS USB, 1x internal connector with cable to H039)  
-**IO:** "SERIAL 3 (CARD IF)" (expansion slot, to motherboard COM4, pinout up-down: GND CTS RTS TXD RXD)  
+**IO:** \[ES1(A2)\] "SERIAL 3 (CARD IF)" (expansion slot, to motherboard COM4, pinout up-down: GND CTS RTS TXD RXD)  
 
 ```
        - Nirin (NRN, https://www.bandainamco-am.co.uk/files/41)
@@ -172,10 +172,13 @@ ES2P(A):
 PC, x86-based. Variants: ES3(A), ES3(B), ES3(X).
 
 ES3(A):  
-**MBD:** ???  
+**MBD:** SuperMicro C7B75-O Rev 1.01  
 **CPU:** ???  
 **RAM:** 1x SanMax Technologies ??? (4GB)  
-**GPU:** ???  
+**GPU:** AMD Radeon HD 7750 (PCIe, 1GB)  
+**SSD:** Kingston SSDNow V200 SV200S37A/64G (SATA 2.5", 64GB)  
+**IO:** JVS (expansion slot, 1x JVS USB, 1x internal connector with cable to ESIF2)  
+**IO:** extra serial (expansion slot, to motherboard)  
 
 ES3(B):  
 **MBD:** ???